changeset 3363:785573170238 hs24-b12

Merge
author amurillo
date Fri, 25 May 2012 14:45:35 -0700
parents 48064e53e997 7089278210e2
children 37add4fa0296
files
diffstat 62 files changed, 1443 insertions(+), 609 deletions(-) [+]
line wrap: on
line diff
--- a/agent/src/share/classes/sun/jvm/hotspot/HotSpotAgent.java	Thu May 24 16:15:37 2012 -0700
+++ b/agent/src/share/classes/sun/jvm/hotspot/HotSpotAgent.java	Fri May 25 14:45:35 2012 -0700
@@ -572,10 +572,10 @@
 
         if (cpu.equals("x86")) {
             machDesc = new MachineDescriptionIntelX86();
-        } else if (cpu.equals("amd64")) {
+        } else if (cpu.equals("amd64") || cpu.equals("x86_64")) {
             machDesc = new MachineDescriptionAMD64();
         } else {
-            throw new DebuggerException("BSD only supported on x86/amd64");
+            throw new DebuggerException("BSD only supported on x86/x86_64. Current arch: " + cpu);
         }
 
         BsdDebuggerLocal dbg = new BsdDebuggerLocal(machDesc, !isServer);
--- a/agent/src/share/classes/sun/jvm/hotspot/bugspot/BugSpotAgent.java	Thu May 24 16:15:37 2012 -0700
+++ b/agent/src/share/classes/sun/jvm/hotspot/bugspot/BugSpotAgent.java	Fri May 25 14:45:35 2012 -0700
@@ -762,10 +762,10 @@
 
         if (cpu.equals("x86")) {
             machDesc = new MachineDescriptionIntelX86();
-        } else if (cpu.equals("amd64")) {
+        } else if (cpu.equals("amd64") || (cpu.equals("x86_64"))) {
             machDesc = new MachineDescriptionAMD64();
         } else {
-            throw new DebuggerException("Bsd only supported on x86/amd64");
+            throw new DebuggerException("Bsd only supported on x86/x86_64. Current arch: " + cpu);
         }
 
         // Note we do not use a cache for the local debugger in server
--- a/agent/src/share/classes/sun/jvm/hotspot/debugger/bsd/BsdCDebugger.java	Thu May 24 16:15:37 2012 -0700
+++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/bsd/BsdCDebugger.java	Fri May 25 14:45:35 2012 -0700
@@ -90,7 +90,7 @@
        Address pc  = context.getRegisterAsAddress(X86ThreadContext.EIP);
        if (pc == null) return null;
        return new BsdX86CFrame(dbg, ebp, pc);
-    } else if (cpu.equals("amd64")) {
+    } else if (cpu.equals("amd64") || cpu.equals("x86_64")) {
        AMD64ThreadContext context = (AMD64ThreadContext) thread.getContext();
        Address rbp = context.getRegisterAsAddress(AMD64ThreadContext.RBP);
        if (rbp == null) return null;
--- a/agent/src/share/classes/sun/jvm/hotspot/debugger/bsd/BsdThreadContextFactory.java	Thu May 24 16:15:37 2012 -0700
+++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/bsd/BsdThreadContextFactory.java	Fri May 25 14:45:35 2012 -0700
@@ -33,7 +33,7 @@
       String cpu = dbg.getCPU();
       if (cpu.equals("x86")) {
          return new BsdX86ThreadContext(dbg);
-      } else if (cpu.equals("amd64")) {
+      } else if (cpu.equals("amd64") || cpu.equals("x86_64")) {
          return new BsdAMD64ThreadContext(dbg);
       } else {
          throw new RuntimeException("cpu " + cpu + " is not yet supported");
--- a/agent/src/share/classes/sun/jvm/hotspot/debugger/proc/ProcDebuggerLocal.java	Thu May 24 16:15:37 2012 -0700
+++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/proc/ProcDebuggerLocal.java	Fri May 25 14:45:35 2012 -0700
@@ -81,7 +81,7 @@
             pcRegIndex = X86ThreadContext.EIP;
             fpRegIndex = X86ThreadContext.EBP;
             unalignedAccessesOkay = true;
-        } else if (cpu.equals("amd64")) {
+        } else if (cpu.equals("amd64") || cpu.equals("x86_64")) {
             threadFactory = new ProcAMD64ThreadFactory(this);
             pcRegIndex = AMD64ThreadContext.RIP;
             fpRegIndex = AMD64ThreadContext.RBP;
--- a/agent/src/share/classes/sun/jvm/hotspot/debugger/remote/RemoteDebuggerClient.java	Thu May 24 16:15:37 2012 -0700
+++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/remote/RemoteDebuggerClient.java	Fri May 25 14:45:35 2012 -0700
@@ -64,7 +64,7 @@
         cachePageSize = 4096;
         cacheNumPages = parseCacheNumPagesProperty(cacheSize / cachePageSize);
         unalignedAccessesOkay = true;
-      } else if (cpu.equals("amd64")) {
+      } else if (cpu.equals("amd64") || cpu.equals("x86_64")) {
         threadFactory = new RemoteAMD64ThreadFactory(this);
         cachePageSize = 4096;
         cacheNumPages = parseCacheNumPagesProperty(cacheSize / cachePageSize);
--- a/agent/src/share/classes/sun/jvm/hotspot/runtime/Threads.java	Thu May 24 16:15:37 2012 -0700
+++ b/agent/src/share/classes/sun/jvm/hotspot/runtime/Threads.java	Fri May 25 14:45:35 2012 -0700
@@ -95,7 +95,7 @@
         } else if (os.equals("bsd")) {
             if (cpu.equals("x86")) {
                 access = new BsdX86JavaThreadPDAccess();
-            } else if (cpu.equals("amd64")) {
+            } else if (cpu.equals("amd64") || cpu.equals("x86_64")) {
                 access = new BsdAMD64JavaThreadPDAccess();
             }
         }
--- a/agent/src/share/classes/sun/jvm/hotspot/ui/classbrowser/HTMLGenerator.java	Thu May 24 16:15:37 2012 -0700
+++ b/agent/src/share/classes/sun/jvm/hotspot/ui/classbrowser/HTMLGenerator.java	Fri May 25 14:45:35 2012 -0700
@@ -199,7 +199,7 @@
          cpuHelper = new SPARCHelper();
       } else if (cpu.equals("x86")) {
          cpuHelper = new X86Helper();
-      } else if (cpu.equals("amd64")) {
+      } else if (cpu.equals("amd64") || cpu.equals("x86_64")) {
          cpuHelper = new AMD64Helper();
       } else if (cpu.equals("ia64")) {
          cpuHelper = new IA64Helper();
--- a/agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaFrame.java	Thu May 24 16:15:37 2012 -0700
+++ b/agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaFrame.java	Fri May 25 14:45:35 2012 -0700
@@ -153,7 +153,8 @@
             List visibleVars = new ArrayList(0);
             for (int i = 0; i < localVars.length; i++) {
                 LocalVariableTableElement cur = localVars[i];
-                if (cur.getStartBCI() >= bci && cur.getLength() > 0) {
+                int startBCI = cur.getStartBCI();
+                if (startBCI <= bci && bci < startBCI + cur.getLength()) {
                     visibleVars.add(cur);
                 }
             }
--- a/make/hotspot_version	Thu May 24 16:15:37 2012 -0700
+++ b/make/hotspot_version	Fri May 25 14:45:35 2012 -0700
@@ -35,7 +35,7 @@
 
 HS_MAJOR_VER=24
 HS_MINOR_VER=0
-HS_BUILD_NUMBER=11
+HS_BUILD_NUMBER=12
 
 JDK_MAJOR_VER=1
 JDK_MINOR_VER=8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/solaris/makefiles/add_gnu_debuglink.make	Fri May 25 14:45:35 2012 -0700
@@ -0,0 +1,51 @@
+#
+# Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#  
+#
+
+# Rules to build add_gnu_debuglink, used by vm.make on Solaris
+
+GENERATED                 = ../generated
+ADD_GNU_DEBUGLINK         = $(GENERATED)/add_gnu_debuglink
+
+ADD_GNU_DEBUGLINK_DIR     = $(GAMMADIR)/src/os/solaris/add_gnu_debuglink
+ADD_GNU_DEBUGLINK_SRC     = $(ADD_GNU_DEBUGLINK_DIR)/add_gnu_debuglink.c
+ADD_GNU_DEBUGLINK_FLAGS   = 
+LIBS_ADD_GNU_DEBUGLINK   += -lelf
+
+ifeq ("${Platform_compiler}", "sparcWorks")
+# Enable the following ADD_GNU_DEBUGLINK_FLAGS addition if you need to
+# compare the built ELF objects.
+#
+# The -g option makes static data global and the "-W0,-noglobal"
+# option tells the compiler to not globalize static data using a unique
+# globalization prefix. Instead force the use of a static globalization
+# prefix based on the source filepath so the objects from two identical
+# compilations are the same.
+#
+# Note: The blog says to use "-W0,-xglobalstatic", but that doesn't
+#       seem to work. I got "-W0,-noglobal" from Kelly and that works.
+#ADD_GNU_DEBUGLINK_FLAGS += -W0,-noglobal
+endif # Platform_compiler == sparcWorks
+
+$(ADD_GNU_DEBUGLINK): $(ADD_GNU_DEBUGLINK_SRC)
+	$(CC) -g -o $@ $< $(ADD_GNU_DEBUGLINK_FLAGS) $(LIBS_ADD_GNU_DEBUGLINK)
--- a/make/solaris/makefiles/defs.make	Thu May 24 16:15:37 2012 -0700
+++ b/make/solaris/makefiles/defs.make	Fri May 25 14:45:35 2012 -0700
@@ -109,18 +109,12 @@
   # overridden in some situations, e.g., a BUILD_FLAVOR != product
   # build.
 
-  # Disable FULL_DEBUG_SYMBOLS by default because dtrace tests are
-  # failing in nightly when the debug info files are ZIP'ed. On
-  # Solaris debug info files need to be ZIP'ed to reduce the impact
-  # on disk space footprint.
-  FULL_DEBUG_SYMBOLS ?= 0
   ifeq ($(BUILD_FLAVOR), product)
-    # FULL_DEBUG_SYMBOLS ?= 1
+    FULL_DEBUG_SYMBOLS ?= 1
     ENABLE_FULL_DEBUG_SYMBOLS = $(FULL_DEBUG_SYMBOLS)
   else
     # debug variants always get Full Debug Symbols (if available)
-    # ENABLE_FULL_DEBUG_SYMBOLS = 1
-    ENABLE_FULL_DEBUG_SYMBOLS = $(FULL_DEBUG_SYMBOLS)
+    ENABLE_FULL_DEBUG_SYMBOLS = 1
   endif
   _JUNK_ := $(shell \
     echo >&2 "INFO: ENABLE_FULL_DEBUG_SYMBOLS=$(ENABLE_FULL_DEBUG_SYMBOLS)")
@@ -178,9 +172,7 @@
     _JUNK_ := $(shell \
       echo >&2 "INFO: STRIP_POLICY=$(STRIP_POLICY)")
 
-    # Disable ZIP_DEBUGINFO_FILES by default because dtrace tests are
-    # failing in nightly when the debug info files are ZIP'ed.
-    ZIP_DEBUGINFO_FILES ?= 0
+    ZIP_DEBUGINFO_FILES ?= 1
 
     _JUNK_ := $(shell \
       echo >&2 "INFO: ZIP_DEBUGINFO_FILES=$(ZIP_DEBUGINFO_FILES)")
--- a/make/solaris/makefiles/vm.make	Thu May 24 16:15:37 2012 -0700
+++ b/make/solaris/makefiles/vm.make	Fri May 25 14:45:35 2012 -0700
@@ -145,6 +145,10 @@
 include $(MAKEFILES_DIR)/dtrace.make
 
 #----------------------------------------------------------------------
+# add_gnu_debuglink tool
+include $(MAKEFILES_DIR)/add_gnu_debuglink.make
+
+#----------------------------------------------------------------------
 # JVM
 
 JVM      = jvm
@@ -276,7 +280,7 @@
 LINK_VM = $(LINK_LIB.CXX)
 endif
 # making the library:
-$(LIBJVM): $(LIBJVM.o) $(LIBJVM_MAPFILE) 
+$(LIBJVM): $(ADD_GNU_DEBUGLINK) $(LIBJVM.o) $(LIBJVM_MAPFILE) 
 ifeq ($(filter -sbfast -xsbfast, $(CFLAGS_BROWSE)),)
 	@echo Linking vm...
 	$(QUIETLY) $(LINK_LIB.CXX/PRE_HOOK)
@@ -287,7 +291,11 @@
 	$(QUIETLY) [ -f $(LIBJVM_G).1 ] || ln -s $@.1 $(LIBJVM_G).1
 ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
 	$(QUIETLY) $(OBJCOPY) --only-keep-debug $@ $(LIBJVM_DEBUGINFO)
-	$(QUIETLY) $(OBJCOPY) --add-gnu-debuglink=$(LIBJVM_DEBUGINFO) $@
+# $(OBJCOPY) --add-gnu-debuglink=... corrupts the SUNW_dof section
+# in libjvm.so. Use $(ADD_GNU_DEBUGLINK) until a fixed $(OBJCOPY)
+# is available.
+#	$(QUIETLY) $(OBJCOPY) --add-gnu-debuglink=$(LIBJVM_DEBUGINFO) $@
+	$(QUIETLY) $(ADD_GNU_DEBUGLINK) $(LIBJVM_DEBUGINFO) $@
   ifeq ($(STRIP_POLICY),all_strip)
 	$(QUIETLY) $(STRIP) $@
   else
--- a/make/windows/makefiles/defs.make	Thu May 24 16:15:37 2012 -0700
+++ b/make/windows/makefiles/defs.make	Fri May 25 14:45:35 2012 -0700
@@ -145,7 +145,12 @@
 ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
   # Disable ZIP_DEBUGINFO_FILES by default because various tests are
   # failing in nightly when the debug info files are ZIP'ed.
-  ZIP_DEBUGINFO_FILES ?= 0
+  #ZIP_DEBUGINFO_FILES ?= 0
+  # The above conditional setting logic is unreliable on Windows for
+  # unknown reasons. We force ZIP_DEBUGINFO_FILES to be disabled on
+  # Windows until we figure out why the various tests are failing
+  # AND why the conditional setting logic is unreliable.
+  ZIP_DEBUGINFO_FILES=0
 else
   ZIP_DEBUGINFO_FILES=0
 endif
--- a/src/cpu/sparc/vm/c1_LIRGenerator_sparc.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/cpu/sparc/vm/c1_LIRGenerator_sparc.cpp	Fri May 25 14:45:35 2012 -0700
@@ -738,7 +738,8 @@
     case vmIntrinsics::_dlog: // fall through
     case vmIntrinsics::_dsin: // fall through
     case vmIntrinsics::_dtan: // fall through
-    case vmIntrinsics::_dcos: {
+    case vmIntrinsics::_dcos: // fall through
+    case vmIntrinsics::_dexp: {
       assert(x->number_of_arguments() == 1, "wrong type");
 
       address runtime_entry = NULL;
@@ -758,12 +759,23 @@
       case vmIntrinsics::_dlog10:
         runtime_entry = CAST_FROM_FN_PTR(address, SharedRuntime::dlog10);
         break;
+      case vmIntrinsics::_dexp:
+        runtime_entry = CAST_FROM_FN_PTR(address, SharedRuntime::dexp);
+        break;
       default:
         ShouldNotReachHere();
       }
 
       LIR_Opr result = call_runtime(x->argument_at(0), runtime_entry, x->type(), NULL);
       set_result(x, result);
+      break;
+    }
+    case vmIntrinsics::_dpow: {
+      assert(x->number_of_arguments() == 2, "wrong type");
+      address runtime_entry = CAST_FROM_FN_PTR(address, SharedRuntime::dpow);
+      LIR_Opr result = call_runtime(x->argument_at(0), x->argument_at(1), runtime_entry, x->type(), NULL);
+      set_result(x, result);
+      break;
     }
   }
 }
--- a/src/cpu/sparc/vm/interpreter_sparc.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/cpu/sparc/vm/interpreter_sparc.cpp	Fri May 25 14:45:35 2012 -0700
@@ -403,6 +403,8 @@
     case Interpreter::java_lang_math_abs     :                                                                             break;
     case Interpreter::java_lang_math_log     :                                                                             break;
     case Interpreter::java_lang_math_log10   :                                                                             break;
+    case Interpreter::java_lang_math_pow     :                                                                             break;
+    case Interpreter::java_lang_math_exp     :                                                                             break;
     case Interpreter::java_lang_ref_reference_get
                                              : entry_point = ((InterpreterGenerator*)this)->generate_Reference_get_entry(); break;
     default                                  : ShouldNotReachHere();                                                       break;
--- a/src/cpu/x86/vm/assembler_x86.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/cpu/x86/vm/assembler_x86.cpp	Fri May 25 14:45:35 2012 -0700
@@ -3578,6 +3578,21 @@
   emit_byte(0xF1);
 }
 
+void Assembler::frndint() {
+  emit_byte(0xD9);
+  emit_byte(0xFC);
+}
+
+void Assembler::f2xm1() {
+  emit_byte(0xD9);
+  emit_byte(0xF0);
+}
+
+void Assembler::fldl2e() {
+  emit_byte(0xD9);
+  emit_byte(0xEA);
+}
+
 // SSE SIMD prefix byte values corresponding to VexSimdPrefix encoding.
 static int simd_pre[4] = { 0, 0x66, 0xF3, 0xF2 };
 // SSE opcode second byte values (first is 0x0F) corresponding to VexOpcode encoding.
@@ -6868,6 +6883,243 @@
   Assembler::fldcw(as_Address(src));
 }
 
+void MacroAssembler::pow_exp_core_encoding() {
+  // kills rax, rcx, rdx
+  subptr(rsp,sizeof(jdouble));
+  // computes 2^X. Stack: X ...
+  // f2xm1 computes 2^X-1 but only operates on -1<=X<=1. Get int(X) and
+  // keep it on the thread's stack to compute 2^int(X) later
+  // then compute 2^(X-int(X)) as (2^(X-int(X)-1+1)
+  // final result is obtained with: 2^X = 2^int(X) * 2^(X-int(X))
+  fld_s(0);                 // Stack: X X ...
+  frndint();                // Stack: int(X) X ...
+  fsuba(1);                 // Stack: int(X) X-int(X) ...
+  fistp_s(Address(rsp,0));  // move int(X) as integer to thread's stack. Stack: X-int(X) ...
+  f2xm1();                  // Stack: 2^(X-int(X))-1 ...
+  fld1();                   // Stack: 1 2^(X-int(X))-1 ...
+  faddp(1);                 // Stack: 2^(X-int(X))
+  // computes 2^(int(X)): add exponent bias (1023) to int(X), then
+  // shift int(X)+1023 to exponent position.
+  // Exponent is limited to 11 bits if int(X)+1023 does not fit in 11
+  // bits, set result to NaN. 0x000 and 0x7FF are reserved exponent
+  // values so detect them and set result to NaN.
+  movl(rax,Address(rsp,0));
+  movl(rcx, -2048); // 11 bit mask and valid NaN binary encoding
+  addl(rax, 1023);
+  movl(rdx,rax);
+  shll(rax,20);
+  // Check that 0 < int(X)+1023 < 2047. Otherwise set rax to NaN.
+  addl(rdx,1);
+  // Check that 1 < int(X)+1023+1 < 2048
+  // in 3 steps:
+  // 1- (int(X)+1023+1)&-2048 == 0 => 0 <= int(X)+1023+1 < 2048
+  // 2- (int(X)+1023+1)&-2048 != 0
+  // 3- (int(X)+1023+1)&-2048 != 1
+  // Do 2- first because addl just updated the flags.
+  cmov32(Assembler::equal,rax,rcx);
+  cmpl(rdx,1);
+  cmov32(Assembler::equal,rax,rcx);
+  testl(rdx,rcx);
+  cmov32(Assembler::notEqual,rax,rcx);
+  movl(Address(rsp,4),rax);
+  movl(Address(rsp,0),0);
+  fmul_d(Address(rsp,0));   // Stack: 2^X ...
+  addptr(rsp,sizeof(jdouble));
+}
+
+void MacroAssembler::fast_pow() {
+  // computes X^Y = 2^(Y * log2(X))
+  // if fast computation is not possible, result is NaN. Requires
+  // fallback from user of this macro.
+  fyl2x();                 // Stack: (Y*log2(X)) ...
+  pow_exp_core_encoding(); // Stack: exp(X) ...
+}
+
+void MacroAssembler::fast_exp() {
+  // computes exp(X) = 2^(X * log2(e))
+  // if fast computation is not possible, result is NaN. Requires
+  // fallback from user of this macro.
+  fldl2e();                // Stack: log2(e) X ...
+  fmulp(1);                // Stack: (X*log2(e)) ...
+  pow_exp_core_encoding(); // Stack: exp(X) ...
+}
+
+void MacroAssembler::pow_or_exp(bool is_exp, int num_fpu_regs_in_use) {
+  // kills rax, rcx, rdx
+  // pow and exp needs 2 extra registers on the fpu stack.
+  Label slow_case, done;
+  Register tmp = noreg;
+  if (!VM_Version::supports_cmov()) {
+    // fcmp needs a temporary so preserve rdx,
+    tmp = rdx;
+  }
+  Register tmp2 = rax;
+  Register tmp3 = rcx;
+
+  if (is_exp) {
+    // Stack: X
+    fld_s(0);                   // duplicate argument for runtime call. Stack: X X
+    fast_exp();                 // Stack: exp(X) X
+    fcmp(tmp, 0, false, false); // Stack: exp(X) X
+    // exp(X) not equal to itself: exp(X) is NaN go to slow case.
+    jcc(Assembler::parity, slow_case);
+    // get rid of duplicate argument. Stack: exp(X)
+    if (num_fpu_regs_in_use > 0) {
+      fxch();
+      fpop();
+    } else {
+      ffree(1);
+    }
+    jmp(done);
+  } else {
+    // Stack: X Y
+    Label x_negative, y_odd;
+
+    fldz();                     // Stack: 0 X Y
+    fcmp(tmp, 1, true, false);  // Stack: X Y
+    jcc(Assembler::above, x_negative);
+
+    // X >= 0
+
+    fld_s(1);                   // duplicate arguments for runtime call. Stack: Y X Y
+    fld_s(1);                   // Stack: X Y X Y
+    fast_pow();                 // Stack: X^Y X Y
+    fcmp(tmp, 0, false, false); // Stack: X^Y X Y
+    // X^Y not equal to itself: X^Y is NaN go to slow case.
+    jcc(Assembler::parity, slow_case);
+    // get rid of duplicate arguments. Stack: X^Y
+    if (num_fpu_regs_in_use > 0) {
+      fxch(); fpop();
+      fxch(); fpop();
+    } else {
+      ffree(2);
+      ffree(1);
+    }
+    jmp(done);
+
+    // X <= 0
+    bind(x_negative);
+
+    fld_s(1);                   // Stack: Y X Y
+    frndint();                  // Stack: int(Y) X Y
+    fcmp(tmp, 2, false, false); // Stack: int(Y) X Y
+    jcc(Assembler::notEqual, slow_case);
+
+    subptr(rsp, 8);
+
+    // For X^Y, when X < 0, Y has to be an integer and the final
+    // result depends on whether it's odd or even. We just checked
+    // that int(Y) == Y.  We move int(Y) to gp registers as a 64 bit
+    // integer to test its parity. If int(Y) is huge and doesn't fit
+    // in the 64 bit integer range, the integer indefinite value will
+    // end up in the gp registers. Huge numbers are all even, the
+    // integer indefinite number is even so it's fine.
+
+#ifdef ASSERT
+    // Let's check we don't end up with an integer indefinite number
+    // when not expected. First test for huge numbers: check whether
+    // int(Y)+1 == int(Y) which is true for very large numbers and
+    // those are all even. A 64 bit integer is guaranteed to not
+    // overflow for numbers where y+1 != y (when precision is set to
+    // double precision).
+    Label y_not_huge;
+
+    fld1();                     // Stack: 1 int(Y) X Y
+    fadd(1);                    // Stack: 1+int(Y) int(Y) X Y
+
+#ifdef _LP64
+    // trip to memory to force the precision down from double extended
+    // precision
+    fstp_d(Address(rsp, 0));
+    fld_d(Address(rsp, 0));
+#endif
+
+    fcmp(tmp, 1, true, false);  // Stack: int(Y) X Y
+#endif
+
+    // move int(Y) as 64 bit integer to thread's stack
+    fistp_d(Address(rsp,0));    // Stack: X Y
+
+#ifdef ASSERT
+    jcc(Assembler::notEqual, y_not_huge);
+
+    // Y is huge so we know it's even. It may not fit in a 64 bit
+    // integer and we don't want the debug code below to see the
+    // integer indefinite value so overwrite int(Y) on the thread's
+    // stack with 0.
+    movl(Address(rsp, 0), 0);
+    movl(Address(rsp, 4), 0);
+
+    bind(y_not_huge);
+#endif
+
+    fld_s(1);                   // duplicate arguments for runtime call. Stack: Y X Y
+    fld_s(1);                   // Stack: X Y X Y
+    fabs();                     // Stack: abs(X) Y X Y
+    fast_pow();                 // Stack: abs(X)^Y X Y
+    fcmp(tmp, 0, false, false); // Stack: abs(X)^Y X Y
+    // abs(X)^Y not equal to itself: abs(X)^Y is NaN go to slow case.
+
+    pop(tmp2);
+    NOT_LP64(pop(tmp3));
+    jcc(Assembler::parity, slow_case);
+
+#ifdef ASSERT
+    // Check that int(Y) is not integer indefinite value (int
+    // overflow). Shouldn't happen because for values that would
+    // overflow, 1+int(Y)==Y which was tested earlier.
+#ifndef _LP64
+    {
+      Label integer;
+      testl(tmp2, tmp2);
+      jcc(Assembler::notZero, integer);
+      cmpl(tmp3, 0x80000000);
+      jcc(Assembler::notZero, integer);
+      stop("integer indefinite value shouldn't be seen here");
+      bind(integer);
+    }
+#else
+    {
+      Label integer;
+      mov(tmp3, tmp2); // preserve tmp2 for parity check below
+      shlq(tmp3, 1);
+      jcc(Assembler::carryClear, integer);
+      jcc(Assembler::notZero, integer);
+      stop("integer indefinite value shouldn't be seen here");
+      bind(integer);
+    }
+#endif
+#endif
+
+    // get rid of duplicate arguments. Stack: X^Y
+    if (num_fpu_regs_in_use > 0) {
+      fxch(); fpop();
+      fxch(); fpop();
+    } else {
+      ffree(2);
+      ffree(1);
+    }
+
+    testl(tmp2, 1);
+    jcc(Assembler::zero, done); // X <= 0, Y even: X^Y = abs(X)^Y
+    // X <= 0, Y even: X^Y = -abs(X)^Y
+
+    fchs();                     // Stack: -abs(X)^Y Y
+    jmp(done);
+  }
+
+  // slow case: runtime call
+  bind(slow_case);
+
+  fpop();                       // pop incorrect result or int(Y)
+
+  fp_runtime_fallback(is_exp ? CAST_FROM_FN_PTR(address, SharedRuntime::dexp) : CAST_FROM_FN_PTR(address, SharedRuntime::dpow),
+                      is_exp ? 1 : 2, num_fpu_regs_in_use);
+
+  // Come here with result in F-TOS
+  bind(done);
+}
+
 void MacroAssembler::fpop() {
   ffree();
   fincstp();
@@ -8045,6 +8297,144 @@
 #endif
 }
 
+void MacroAssembler::fp_runtime_fallback(address runtime_entry, int nb_args, int num_fpu_regs_in_use) {
+  pusha();
+
+  // if we are coming from c1, xmm registers may be live
+  if (UseSSE >= 1) {
+    subptr(rsp, sizeof(jdouble)* LP64_ONLY(16) NOT_LP64(8));
+  }
+  int off = 0;
+  if (UseSSE == 1)  {
+    movflt(Address(rsp,off++*sizeof(jdouble)),xmm0);
+    movflt(Address(rsp,off++*sizeof(jdouble)),xmm1);
+    movflt(Address(rsp,off++*sizeof(jdouble)),xmm2);
+    movflt(Address(rsp,off++*sizeof(jdouble)),xmm3);
+    movflt(Address(rsp,off++*sizeof(jdouble)),xmm4);
+    movflt(Address(rsp,off++*sizeof(jdouble)),xmm5);
+    movflt(Address(rsp,off++*sizeof(jdouble)),xmm6);
+    movflt(Address(rsp,off++*sizeof(jdouble)),xmm7);
+  } else if (UseSSE >= 2)  {
+    movdbl(Address(rsp,off++*sizeof(jdouble)),xmm0);
+    movdbl(Address(rsp,off++*sizeof(jdouble)),xmm1);
+    movdbl(Address(rsp,off++*sizeof(jdouble)),xmm2);
+    movdbl(Address(rsp,off++*sizeof(jdouble)),xmm3);
+    movdbl(Address(rsp,off++*sizeof(jdouble)),xmm4);
+    movdbl(Address(rsp,off++*sizeof(jdouble)),xmm5);
+    movdbl(Address(rsp,off++*sizeof(jdouble)),xmm6);
+    movdbl(Address(rsp,off++*sizeof(jdouble)),xmm7);
+#ifdef _LP64
+    movdbl(Address(rsp,off++*sizeof(jdouble)),xmm8);
+    movdbl(Address(rsp,off++*sizeof(jdouble)),xmm9);
+    movdbl(Address(rsp,off++*sizeof(jdouble)),xmm10);
+    movdbl(Address(rsp,off++*sizeof(jdouble)),xmm11);
+    movdbl(Address(rsp,off++*sizeof(jdouble)),xmm12);
+    movdbl(Address(rsp,off++*sizeof(jdouble)),xmm13);
+    movdbl(Address(rsp,off++*sizeof(jdouble)),xmm14);
+    movdbl(Address(rsp,off++*sizeof(jdouble)),xmm15);
+#endif
+  }
+
+  // Preserve registers across runtime call
+  int incoming_argument_and_return_value_offset = -1;
+  if (num_fpu_regs_in_use > 1) {
+    // Must preserve all other FPU regs (could alternatively convert
+    // SharedRuntime::dsin, dcos etc. into assembly routines known not to trash
+    // FPU state, but can not trust C compiler)
+    NEEDS_CLEANUP;
+    // NOTE that in this case we also push the incoming argument(s) to
+    // the stack and restore it later; we also use this stack slot to
+    // hold the return value from dsin, dcos etc.
+    for (int i = 0; i < num_fpu_regs_in_use; i++) {
+      subptr(rsp, sizeof(jdouble));
+      fstp_d(Address(rsp, 0));
+    }
+    incoming_argument_and_return_value_offset = sizeof(jdouble)*(num_fpu_regs_in_use-1);
+    for (int i = nb_args-1; i >= 0; i--) {
+      fld_d(Address(rsp, incoming_argument_and_return_value_offset-i*sizeof(jdouble)));
+    }
+  }
+
+  subptr(rsp, nb_args*sizeof(jdouble));
+  for (int i = 0; i < nb_args; i++) {
+    fstp_d(Address(rsp, i*sizeof(jdouble)));
+  }
+
+#ifdef _LP64
+  if (nb_args > 0) {
+    movdbl(xmm0, Address(rsp, 0));
+  }
+  if (nb_args > 1) {
+    movdbl(xmm1, Address(rsp, sizeof(jdouble)));
+  }
+  assert(nb_args <= 2, "unsupported number of args");
+#endif // _LP64
+
+  // NOTE: we must not use call_VM_leaf here because that requires a
+  // complete interpreter frame in debug mode -- same bug as 4387334
+  // MacroAssembler::call_VM_leaf_base is perfectly safe and will
+  // do proper 64bit abi
+
+  NEEDS_CLEANUP;
+  // Need to add stack banging before this runtime call if it needs to
+  // be taken; however, there is no generic stack banging routine at
+  // the MacroAssembler level
+
+  MacroAssembler::call_VM_leaf_base(runtime_entry, 0);
+
+#ifdef _LP64
+  movsd(Address(rsp, 0), xmm0);
+  fld_d(Address(rsp, 0));
+#endif // _LP64
+  addptr(rsp, sizeof(jdouble) * nb_args);
+  if (num_fpu_regs_in_use > 1) {
+    // Must save return value to stack and then restore entire FPU
+    // stack except incoming arguments
+    fstp_d(Address(rsp, incoming_argument_and_return_value_offset));
+    for (int i = 0; i < num_fpu_regs_in_use - nb_args; i++) {
+      fld_d(Address(rsp, 0));
+      addptr(rsp, sizeof(jdouble));
+    }
+    fld_d(Address(rsp, (nb_args-1)*sizeof(jdouble)));
+    addptr(rsp, sizeof(jdouble) * nb_args);
+  }
+
+  off = 0;
+  if (UseSSE == 1)  {
+    movflt(xmm0, Address(rsp,off++*sizeof(jdouble)));
+    movflt(xmm1, Address(rsp,off++*sizeof(jdouble)));
+    movflt(xmm2, Address(rsp,off++*sizeof(jdouble)));
+    movflt(xmm3, Address(rsp,off++*sizeof(jdouble)));
+    movflt(xmm4, Address(rsp,off++*sizeof(jdouble)));
+    movflt(xmm5, Address(rsp,off++*sizeof(jdouble)));
+    movflt(xmm6, Address(rsp,off++*sizeof(jdouble)));
+    movflt(xmm7, Address(rsp,off++*sizeof(jdouble)));
+  } else if (UseSSE >= 2)  {
+    movdbl(xmm0, Address(rsp,off++*sizeof(jdouble)));
+    movdbl(xmm1, Address(rsp,off++*sizeof(jdouble)));
+    movdbl(xmm2, Address(rsp,off++*sizeof(jdouble)));
+    movdbl(xmm3, Address(rsp,off++*sizeof(jdouble)));
+    movdbl(xmm4, Address(rsp,off++*sizeof(jdouble)));
+    movdbl(xmm5, Address(rsp,off++*sizeof(jdouble)));
+    movdbl(xmm6, Address(rsp,off++*sizeof(jdouble)));
+    movdbl(xmm7, Address(rsp,off++*sizeof(jdouble)));
+#ifdef _LP64
+    movdbl(xmm8, Address(rsp,off++*sizeof(jdouble)));
+    movdbl(xmm9, Address(rsp,off++*sizeof(jdouble)));
+    movdbl(xmm10, Address(rsp,off++*sizeof(jdouble)));
+    movdbl(xmm11, Address(rsp,off++*sizeof(jdouble)));
+    movdbl(xmm12, Address(rsp,off++*sizeof(jdouble)));
+    movdbl(xmm13, Address(rsp,off++*sizeof(jdouble)));
+    movdbl(xmm14, Address(rsp,off++*sizeof(jdouble)));
+    movdbl(xmm15, Address(rsp,off++*sizeof(jdouble)));
+#endif
+  }
+  if (UseSSE >= 1) {
+    addptr(rsp, sizeof(jdouble)* LP64_ONLY(16) NOT_LP64(8));
+  }
+  popa();
+}
+
 static const double     pi_4 =  0.7853981633974483;
 
 void MacroAssembler::trigfunc(char trig, int num_fpu_regs_in_use) {
@@ -8092,73 +8482,27 @@
 
   // slow case: runtime call
   bind(slow_case);
-  // Preserve registers across runtime call
-  pusha();
-  int incoming_argument_and_return_value_offset = -1;
-  if (num_fpu_regs_in_use > 1) {
-    // Must preserve all other FPU regs (could alternatively convert
-    // SharedRuntime::dsin and dcos into assembly routines known not to trash
-    // FPU state, but can not trust C compiler)
-    NEEDS_CLEANUP;
-    // NOTE that in this case we also push the incoming argument to
-    // the stack and restore it later; we also use this stack slot to
-    // hold the return value from dsin or dcos.
-    for (int i = 0; i < num_fpu_regs_in_use; i++) {
-      subptr(rsp, sizeof(jdouble));
-      fstp_d(Address(rsp, 0));
-    }
-    incoming_argument_and_return_value_offset = sizeof(jdouble)*(num_fpu_regs_in_use-1);
-    fld_d(Address(rsp, incoming_argument_and_return_value_offset));
-  }
-  subptr(rsp, sizeof(jdouble));
-  fstp_d(Address(rsp, 0));
-#ifdef _LP64
-  movdbl(xmm0, Address(rsp, 0));
-#endif // _LP64
-
-  // NOTE: we must not use call_VM_leaf here because that requires a
-  // complete interpreter frame in debug mode -- same bug as 4387334
-  // MacroAssembler::call_VM_leaf_base is perfectly safe and will
-  // do proper 64bit abi
-
-  NEEDS_CLEANUP;
-  // Need to add stack banging before this runtime call if it needs to
-  // be taken; however, there is no generic stack banging routine at
-  // the MacroAssembler level
+
   switch(trig) {
   case 's':
     {
-      MacroAssembler::call_VM_leaf_base(CAST_FROM_FN_PTR(address, SharedRuntime::dsin), 0);
+      fp_runtime_fallback(CAST_FROM_FN_PTR(address, SharedRuntime::dsin), 1, num_fpu_regs_in_use);
     }
     break;
   case 'c':
     {
-      MacroAssembler::call_VM_leaf_base(CAST_FROM_FN_PTR(address, SharedRuntime::dcos), 0);
+      fp_runtime_fallback(CAST_FROM_FN_PTR(address, SharedRuntime::dcos), 1, num_fpu_regs_in_use);
     }
     break;
   case 't':
     {
-      MacroAssembler::call_VM_leaf_base(CAST_FROM_FN_PTR(address, SharedRuntime::dtan), 0);
+      fp_runtime_fallback(CAST_FROM_FN_PTR(address, SharedRuntime::dtan), 1, num_fpu_regs_in_use);
     }
     break;
   default:
     assert(false, "bad intrinsic");
     break;
   }
-#ifdef _LP64
-    movsd(Address(rsp, 0), xmm0);
-    fld_d(Address(rsp, 0));
-#endif // _LP64
-  addptr(rsp, sizeof(jdouble));
-  if (num_fpu_regs_in_use > 1) {
-    // Must save return value to stack and then restore entire FPU stack
-    fstp_d(Address(rsp, incoming_argument_and_return_value_offset));
-    for (int i = 0; i < num_fpu_regs_in_use; i++) {
-      fld_d(Address(rsp, 0));
-      addptr(rsp, sizeof(jdouble));
-    }
-  }
-  popa();
 
   // Come here with result in F-TOS
   bind(done);
--- a/src/cpu/x86/vm/assembler_x86.hpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/cpu/x86/vm/assembler_x86.hpp	Fri May 25 14:45:35 2012 -0700
@@ -1148,6 +1148,9 @@
   void fxsave(Address dst);
 
   void fyl2x();
+  void frndint();
+  void f2xm1();
+  void fldl2e();
 
   void hlt();
 
@@ -2387,7 +2390,28 @@
   void ldmxcsr(Address src) { Assembler::ldmxcsr(src); }
   void ldmxcsr(AddressLiteral src);
 
+  // compute pow(x,y) and exp(x) with x86 instructions. Don't cover
+  // all corner cases and may result in NaN and require fallback to a
+  // runtime call.
+  void fast_pow();
+  void fast_exp();
+
+  // computes exp(x). Fallback to runtime call included.
+  void exp_with_fallback(int num_fpu_regs_in_use) { pow_or_exp(true, num_fpu_regs_in_use); }
+  // computes pow(x,y). Fallback to runtime call included.
+  void pow_with_fallback(int num_fpu_regs_in_use) { pow_or_exp(false, num_fpu_regs_in_use); }
+
 private:
+
+  // call runtime as a fallback for trig functions and pow/exp.
+  void fp_runtime_fallback(address runtime_entry, int nb_args, int num_fpu_regs_in_use);
+
+  // computes 2^(Ylog2X); Ylog2X in ST(0)
+  void pow_exp_core_encoding();
+
+  // computes pow(x,y) or exp(x). Fallback to runtime call included.
+  void pow_or_exp(bool is_exp, int num_fpu_regs_in_use);
+
   // these are private because users should be doing movflt/movdbl
 
   void movss(Address dst, XMMRegister src)     { Assembler::movss(dst, src); }
--- a/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp	Fri May 25 14:45:35 2012 -0700
@@ -2446,6 +2446,12 @@
         // Should consider not saving rbx, if not necessary
         __ trigfunc('t', op->as_Op2()->fpu_stack_size());
         break;
+      case lir_exp :
+        __ exp_with_fallback(op->as_Op2()->fpu_stack_size());
+        break;
+      case lir_pow :
+        __ pow_with_fallback(op->as_Op2()->fpu_stack_size());
+        break;
       default      : ShouldNotReachHere();
     }
   } else {
--- a/src/cpu/x86/vm/c1_LIRGenerator_x86.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/cpu/x86/vm/c1_LIRGenerator_x86.cpp	Fri May 25 14:45:35 2012 -0700
@@ -823,7 +823,7 @@
 
 
 void LIRGenerator::do_MathIntrinsic(Intrinsic* x) {
-  assert(x->number_of_arguments() == 1, "wrong type");
+  assert(x->number_of_arguments() == 1 || (x->number_of_arguments() == 2 && x->id() == vmIntrinsics::_dpow), "wrong type");
   LIRItem value(x->argument_at(0), this);
 
   bool use_fpu = false;
@@ -834,6 +834,8 @@
       case vmIntrinsics::_dtan:
       case vmIntrinsics::_dlog:
       case vmIntrinsics::_dlog10:
+      case vmIntrinsics::_dexp:
+      case vmIntrinsics::_dpow:
         use_fpu = true;
     }
   } else {
@@ -843,20 +845,37 @@
   value.load_item();
 
   LIR_Opr calc_input = value.result();
+  LIR_Opr calc_input2 = NULL;
+  if (x->id() == vmIntrinsics::_dpow) {
+    LIRItem extra_arg(x->argument_at(1), this);
+    if (UseSSE < 2) {
+      extra_arg.set_destroys_register();
+    }
+    extra_arg.load_item();
+    calc_input2 = extra_arg.result();
+  }
   LIR_Opr calc_result = rlock_result(x);
 
-  // sin and cos need two free fpu stack slots, so register two temporary operands
+  // sin, cos, pow and exp need two free fpu stack slots, so register
+  // two temporary operands
   LIR_Opr tmp1 = FrameMap::caller_save_fpu_reg_at(0);
   LIR_Opr tmp2 = FrameMap::caller_save_fpu_reg_at(1);
 
   if (use_fpu) {
     LIR_Opr tmp = FrameMap::fpu0_double_opr;
+    int tmp_start = 1;
+    if (calc_input2 != NULL) {
+      __ move(calc_input2, tmp);
+      tmp_start = 2;
+      calc_input2 = tmp;
+    }
     __ move(calc_input, tmp);
 
     calc_input = tmp;
     calc_result = tmp;
-    tmp1 = FrameMap::caller_save_fpu_reg_at(1);
-    tmp2 = FrameMap::caller_save_fpu_reg_at(2);
+
+    tmp1 = FrameMap::caller_save_fpu_reg_at(tmp_start);
+    tmp2 = FrameMap::caller_save_fpu_reg_at(tmp_start + 1);
   }
 
   switch(x->id()) {
@@ -867,6 +886,8 @@
     case vmIntrinsics::_dtan:   __ tan  (calc_input, calc_result, tmp1, tmp2);              break;
     case vmIntrinsics::_dlog:   __ log  (calc_input, calc_result, tmp1);                    break;
     case vmIntrinsics::_dlog10: __ log10(calc_input, calc_result, tmp1);                    break;
+    case vmIntrinsics::_dexp:   __ exp  (calc_input, calc_result,              tmp1, tmp2, FrameMap::rax_opr, FrameMap::rcx_opr, FrameMap::rdx_opr); break;
+    case vmIntrinsics::_dpow:   __ pow  (calc_input, calc_input2, calc_result, tmp1, tmp2, FrameMap::rax_opr, FrameMap::rcx_opr, FrameMap::rdx_opr); break;
     default:                    ShouldNotReachHere();
   }
 
--- a/src/cpu/x86/vm/c1_LinearScan_x86.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/cpu/x86/vm/c1_LinearScan_x86.cpp	Fri May 25 14:45:35 2012 -0700
@@ -690,8 +690,8 @@
 
     case lir_mul_strictfp:
     case lir_div_strictfp: {
-      assert(op2->tmp_opr()->is_fpu_register(), "strict operations need temporary fpu stack slot");
-      insert_free_if_dead(op2->tmp_opr());
+      assert(op2->tmp1_opr()->is_fpu_register(), "strict operations need temporary fpu stack slot");
+      insert_free_if_dead(op2->tmp1_opr());
       assert(sim()->stack_size() <= 7, "at least one stack slot must be free");
       // fall-through: continue with the normal handling of lir_mul and lir_div
     }
@@ -787,16 +787,17 @@
 
     case lir_log:
     case lir_log10: {
-      // log and log10 needs one temporary fpu stack slot, so there is ontemporary
-      // registers stored in temp of the operation.
-      // the stack allocator must guarantee that the stack slots are really free,
-      // otherwise there might be a stack overflow.
+      // log and log10 need one temporary fpu stack slot, so
+      // there is one temporary registers stored in temp of the
+      // operation. the stack allocator must guarantee that the stack
+      // slots are really free, otherwise there might be a stack
+      // overflow.
       assert(right->is_illegal(), "must be");
       assert(left->is_fpu_register(), "must be");
       assert(res->is_fpu_register(), "must be");
-      assert(op2->tmp_opr()->is_fpu_register(), "must be");
+      assert(op2->tmp1_opr()->is_fpu_register(), "must be");
 
-      insert_free_if_dead(op2->tmp_opr());
+      insert_free_if_dead(op2->tmp1_opr());
       insert_free_if_dead(res, left);
       insert_exchange(left);
       do_rename(left, res);
@@ -812,8 +813,9 @@
 
     case lir_tan:
     case lir_sin:
-    case lir_cos: {
-      // sin and cos need two temporary fpu stack slots, so there are two temporary
+    case lir_cos:
+    case lir_exp: {
+      // sin, cos and exp need two temporary fpu stack slots, so there are two temporary
       // registers (stored in right and temp of the operation).
       // the stack allocator must guarantee that the stack slots are really free,
       // otherwise there might be a stack overflow.
@@ -821,11 +823,11 @@
       assert(res->is_fpu_register(), "must be");
       // assert(left->is_last_use(), "old value gets destroyed");
       assert(right->is_fpu_register(), "right is used as the first temporary register");
-      assert(op2->tmp_opr()->is_fpu_register(), "temp is used as the second temporary register");
-      assert(fpu_num(left) != fpu_num(right) && fpu_num(right) != fpu_num(op2->tmp_opr()) && fpu_num(op2->tmp_opr()) != fpu_num(res), "need distinct temp registers");
+      assert(op2->tmp1_opr()->is_fpu_register(), "temp is used as the second temporary register");
+      assert(fpu_num(left) != fpu_num(right) && fpu_num(right) != fpu_num(op2->tmp1_opr()) && fpu_num(op2->tmp1_opr()) != fpu_num(res), "need distinct temp registers");
 
       insert_free_if_dead(right);
-      insert_free_if_dead(op2->tmp_opr());
+      insert_free_if_dead(op2->tmp1_opr());
 
       insert_free_if_dead(res, left);
       insert_exchange(left);
@@ -839,6 +841,53 @@
       break;
     }
 
+    case lir_pow: {
+      // pow needs two temporary fpu stack slots, so there are two temporary
+      // registers (stored in tmp1 and tmp2 of the operation).
+      // the stack allocator must guarantee that the stack slots are really free,
+      // otherwise there might be a stack overflow.
+      assert(left->is_fpu_register(), "must be");
+      assert(right->is_fpu_register(), "must be");
+      assert(res->is_fpu_register(), "must be");
+
+      assert(op2->tmp1_opr()->is_fpu_register(), "tmp1 is the first temporary register");
+      assert(op2->tmp2_opr()->is_fpu_register(), "tmp2 is the second temporary register");
+      assert(fpu_num(left) != fpu_num(right) && fpu_num(left) != fpu_num(op2->tmp1_opr()) && fpu_num(left) != fpu_num(op2->tmp2_opr()) && fpu_num(left) != fpu_num(res), "need distinct temp registers");
+      assert(fpu_num(right) != fpu_num(op2->tmp1_opr()) && fpu_num(right) != fpu_num(op2->tmp2_opr()) && fpu_num(right) != fpu_num(res), "need distinct temp registers");
+      assert(fpu_num(op2->tmp1_opr()) != fpu_num(op2->tmp2_opr()) && fpu_num(op2->tmp1_opr()) != fpu_num(res), "need distinct temp registers");
+      assert(fpu_num(op2->tmp2_opr()) != fpu_num(res), "need distinct temp registers");
+
+      insert_free_if_dead(op2->tmp1_opr());
+      insert_free_if_dead(op2->tmp2_opr());
+
+      // Must bring both operands to top of stack with following operand ordering:
+      // * fpu stack before pow: ... right left
+      // * fpu stack after pow:  ... left
+
+      insert_free_if_dead(res, right);
+
+      if (tos_offset(right) != 1) {
+        insert_exchange(right);
+        insert_exchange(1);
+      }
+      insert_exchange(left);
+      assert(tos_offset(right) == 1, "check");
+      assert(tos_offset(left) == 0, "check");
+
+      new_left = to_fpu_stack_top(left);
+      new_right = to_fpu_stack(right);
+
+      op2->set_fpu_stack_size(sim()->stack_size());
+      assert(sim()->stack_size() <= 6, "at least two stack slots must be free");
+
+      sim()->pop();
+
+      do_rename(right, res);
+
+      new_res = to_fpu_stack_top(res);
+      break;
+    }
+
     default: {
       assert(false, "missed a fpu-operation");
     }
--- a/src/cpu/x86/vm/interpreter_x86_32.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/cpu/x86/vm/interpreter_x86_32.cpp	Fri May 25 14:45:35 2012 -0700
@@ -181,6 +181,19 @@
         __ push_fTOS();
         __ pop_fTOS();
         break;
+    case Interpreter::java_lang_math_pow:
+      __ fld_d(Address(rsp, 3*wordSize)); // second argument
+      __ pow_with_fallback(0);
+      // Store to stack to convert 80bit precision back to 64bits
+      __ push_fTOS();
+      __ pop_fTOS();
+      break;
+    case Interpreter::java_lang_math_exp:
+      __ exp_with_fallback(0);
+      // Store to stack to convert 80bit precision back to 64bits
+      __ push_fTOS();
+      __ pop_fTOS();
+      break;
     default                              :
         ShouldNotReachHere();
   }
--- a/src/cpu/x86/vm/interpreter_x86_64.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/cpu/x86/vm/interpreter_x86_64.cpp	Fri May 25 14:45:35 2012 -0700
@@ -271,6 +271,14 @@
       case Interpreter::java_lang_math_log10:
           __ flog10();
           break;
+      case Interpreter::java_lang_math_pow:
+          __ fld_d(Address(rsp, 3*wordSize)); // second argument (one
+                                              // empty stack slot)
+          __ pow_with_fallback(0);
+          break;
+      case Interpreter::java_lang_math_exp:
+          __ exp_with_fallback(0);
+           break;
       default                              :
           ShouldNotReachHere();
     }
--- a/src/cpu/x86/vm/stubGenerator_x86_32.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/cpu/x86/vm/stubGenerator_x86_32.cpp	Fri May 25 14:45:35 2012 -0700
@@ -2136,11 +2136,23 @@
       __ trigfunc('t');
       __ ret(0);
     }
+    {
+      StubCodeMark mark(this, "StubRoutines", "exp");
+      StubRoutines::_intrinsic_exp = (double (*)(double)) __ pc();
 
-    // The intrinsic version of these seem to return the same value as
-    // the strict version.
-    StubRoutines::_intrinsic_exp = SharedRuntime::dexp;
-    StubRoutines::_intrinsic_pow = SharedRuntime::dpow;
+      __ fld_d(Address(rsp, 4));
+      __ exp_with_fallback(0);
+      __ ret(0);
+    }
+    {
+      StubCodeMark mark(this, "StubRoutines", "pow");
+      StubRoutines::_intrinsic_pow = (double (*)(double,double)) __ pc();
+
+      __ fld_d(Address(rsp, 12));
+      __ fld_d(Address(rsp, 4));
+      __ pow_with_fallback(0);
+      __ ret(0);
+    }
   }
 
  public:
--- a/src/cpu/x86/vm/stubGenerator_x86_64.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/cpu/x86/vm/stubGenerator_x86_64.cpp	Fri May 25 14:45:35 2012 -0700
@@ -2928,11 +2928,34 @@
       __ addq(rsp, 8);
       __ ret(0);
     }
-
-    // The intrinsic version of these seem to return the same value as
-    // the strict version.
-    StubRoutines::_intrinsic_exp = SharedRuntime::dexp;
-    StubRoutines::_intrinsic_pow = SharedRuntime::dpow;
+    {
+      StubCodeMark mark(this, "StubRoutines", "exp");
+      StubRoutines::_intrinsic_exp = (double (*)(double)) __ pc();
+
+      __ subq(rsp, 8);
+      __ movdbl(Address(rsp, 0), xmm0);
+      __ fld_d(Address(rsp, 0));
+      __ exp_with_fallback(0);
+      __ fstp_d(Address(rsp, 0));
+      __ movdbl(xmm0, Address(rsp, 0));
+      __ addq(rsp, 8);
+      __ ret(0);
+    }
+    {
+      StubCodeMark mark(this, "StubRoutines", "pow");
+      StubRoutines::_intrinsic_pow = (double (*)(double,double)) __ pc();
+
+      __ subq(rsp, 8);
+      __ movdbl(Address(rsp, 0), xmm1);
+      __ fld_d(Address(rsp, 0));
+      __ movdbl(Address(rsp, 0), xmm0);
+      __ fld_d(Address(rsp, 0));
+      __ pow_with_fallback(0);
+      __ fstp_d(Address(rsp, 0));
+      __ movdbl(xmm0, Address(rsp, 0));
+      __ addq(rsp, 8);
+      __ ret(0);
+    }
   }
 
 #undef __
--- a/src/cpu/x86/vm/templateInterpreter_x86_32.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/cpu/x86/vm/templateInterpreter_x86_32.cpp	Fri May 25 14:45:35 2012 -0700
@@ -1518,7 +1518,9 @@
     case Interpreter::java_lang_math_abs     : // fall thru
     case Interpreter::java_lang_math_log     : // fall thru
     case Interpreter::java_lang_math_log10   : // fall thru
-    case Interpreter::java_lang_math_sqrt    : entry_point = ((InterpreterGenerator*)this)->generate_math_entry(kind);     break;
+    case Interpreter::java_lang_math_sqrt    : // fall thru
+    case Interpreter::java_lang_math_pow     : // fall thru
+    case Interpreter::java_lang_math_exp     : entry_point = ((InterpreterGenerator*)this)->generate_math_entry(kind);     break;
     case Interpreter::java_lang_ref_reference_get
                                              : entry_point = ((InterpreterGenerator*)this)->generate_Reference_get_entry(); break;
     default                                  : ShouldNotReachHere();                                                       break;
@@ -1540,7 +1542,9 @@
     case Interpreter::java_lang_math_abs     : // fall thru
     case Interpreter::java_lang_math_log     : // fall thru
     case Interpreter::java_lang_math_log10   : // fall thru
-    case Interpreter::java_lang_math_sqrt    :
+    case Interpreter::java_lang_math_sqrt    : // fall thru
+    case Interpreter::java_lang_math_pow     : // fall thru
+    case Interpreter::java_lang_math_exp     :
       return false;
     default:
       return true;
--- a/src/cpu/x86/vm/templateInterpreter_x86_64.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/cpu/x86/vm/templateInterpreter_x86_64.cpp	Fri May 25 14:45:35 2012 -0700
@@ -1534,7 +1534,9 @@
   case Interpreter::java_lang_math_abs     : // fall thru
   case Interpreter::java_lang_math_log     : // fall thru
   case Interpreter::java_lang_math_log10   : // fall thru
-  case Interpreter::java_lang_math_sqrt    : entry_point = ((InterpreterGenerator*) this)->generate_math_entry(kind);    break;
+  case Interpreter::java_lang_math_sqrt    : // fall thru
+  case Interpreter::java_lang_math_pow     : // fall thru
+  case Interpreter::java_lang_math_exp     : entry_point = ((InterpreterGenerator*) this)->generate_math_entry(kind);    break;
   case Interpreter::java_lang_ref_reference_get
                                            : entry_point = ((InterpreterGenerator*)this)->generate_Reference_get_entry(); break;
   default                                  : ShouldNotReachHere();                                                       break;
@@ -1558,7 +1560,9 @@
     case Interpreter::java_lang_math_abs     : // fall thru
     case Interpreter::java_lang_math_log     : // fall thru
     case Interpreter::java_lang_math_log10   : // fall thru
-    case Interpreter::java_lang_math_sqrt    :
+    case Interpreter::java_lang_math_sqrt    : // fall thru
+    case Interpreter::java_lang_math_pow     : // fall thru
+    case Interpreter::java_lang_math_exp     :
       return false;
     default:
       return true;
--- a/src/cpu/x86/vm/x86_32.ad	Thu May 24 16:15:37 2012 -0700
+++ b/src/cpu/x86/vm/x86_32.ad	Fri May 25 14:45:35 2012 -0700
@@ -2536,45 +2536,6 @@
     __ fld_d(Address(rsp, 0));
   %}
 
-  // Compute X^Y using Intel's fast hardware instructions, if possible.
-  // Otherwise return a NaN.
-  enc_class pow_exp_core_encoding %{
-    // FPR1 holds Y*ln2(X).  Compute FPR1 = 2^(Y*ln2(X))
-    emit_opcode(cbuf,0xD9); emit_opcode(cbuf,0xC0);  // fdup = fld st(0)          Q       Q
-    emit_opcode(cbuf,0xD9); emit_opcode(cbuf,0xFC);  // frndint               int(Q)      Q
-    emit_opcode(cbuf,0xDC); emit_opcode(cbuf,0xE9);  // fsub st(1) -= st(0);  int(Q) frac(Q)
-    emit_opcode(cbuf,0xDB);                          // FISTP [ESP]           frac(Q)
-    emit_opcode(cbuf,0x1C);
-    emit_d8(cbuf,0x24);
-    emit_opcode(cbuf,0xD9); emit_opcode(cbuf,0xF0);  // f2xm1                 2^frac(Q)-1
-    emit_opcode(cbuf,0xD9); emit_opcode(cbuf,0xE8);  // fld1                  1 2^frac(Q)-1
-    emit_opcode(cbuf,0xDE); emit_opcode(cbuf,0xC1);  // faddp                 2^frac(Q)
-    emit_opcode(cbuf,0x8B);                          // mov rax,[esp+0]=int(Q)
-    encode_RegMem(cbuf, EAX_enc, ESP_enc, 0x4, 0, 0, false);
-    emit_opcode(cbuf,0xC7);                          // mov rcx,0xFFFFF800 - overflow mask
-    emit_rm(cbuf, 0x3, 0x0, ECX_enc);
-    emit_d32(cbuf,0xFFFFF800);
-    emit_opcode(cbuf,0x81);                          // add rax,1023 - the double exponent bias
-    emit_rm(cbuf, 0x3, 0x0, EAX_enc);
-    emit_d32(cbuf,1023);
-    emit_opcode(cbuf,0x8B);                          // mov rbx,eax
-    emit_rm(cbuf, 0x3, EBX_enc, EAX_enc);
-    emit_opcode(cbuf,0xC1);                          // shl rax,20 - Slide to exponent position
-    emit_rm(cbuf,0x3,0x4,EAX_enc);
-    emit_d8(cbuf,20);
-    emit_opcode(cbuf,0x85);                          // test rbx,ecx - check for overflow
-    emit_rm(cbuf, 0x3, EBX_enc, ECX_enc);
-    emit_opcode(cbuf,0x0F); emit_opcode(cbuf,0x45);  // CMOVne rax,ecx - overflow; stuff NAN into EAX
-    emit_rm(cbuf, 0x3, EAX_enc, ECX_enc);
-    emit_opcode(cbuf,0x89);                          // mov [esp+4],eax - Store as part of double word
-    encode_RegMem(cbuf, EAX_enc, ESP_enc, 0x4, 0, 4, false);
-    emit_opcode(cbuf,0xC7);                          // mov [esp+0],0   - [ESP] = (double)(1<<int(Q)) = 2^int(Q)
-    encode_RegMem(cbuf, 0x0, ESP_enc, 0x4, 0, 0, false);
-    emit_d32(cbuf,0);
-    emit_opcode(cbuf,0xDC);                          // fmul dword st(0),[esp+0]; FPR1 = 2^int(Q)*2^frac(Q) = 2^Q
-    encode_RegMem(cbuf, 0x1, ESP_enc, 0x4, 0, 0, false);
-  %}
-
   enc_class Push_Result_Mod_DPR( regDPR src) %{
     if ($src$$reg != FPR1L_enc) {
       // fincstp
@@ -10100,161 +10061,67 @@
   ins_pipe( pipe_slow );
 %}
 
-instruct powDPR_reg(regDPR X, regDPR1 Y, eAXRegI rax, eBXRegI rbx, eCXRegI rcx) %{
+instruct powDPR_reg(regDPR X, regDPR1 Y, eAXRegI rax, eDXRegI rdx, eCXRegI rcx, eFlagsReg cr) %{
   predicate (UseSSE<=1);
   match(Set Y (PowD X Y));  // Raise X to the Yth power
-  effect(KILL rax, KILL rbx, KILL rcx);
-  format %{ "SUB    ESP,8\t\t# Fast-path POW encoding\n\t"
-            "FLD_D  $X\n\t"
-            "FYL2X  \t\t\t# Q=Y*ln2(X)\n\t"
-
-            "FDUP   \t\t\t# Q Q\n\t"
-            "FRNDINT\t\t\t# int(Q) Q\n\t"
-            "FSUB   ST(1),ST(0)\t# int(Q) frac(Q)\n\t"
-            "FISTP  dword [ESP]\n\t"
-            "F2XM1  \t\t\t# 2^frac(Q)-1 int(Q)\n\t"
-            "FLD1   \t\t\t# 1 2^frac(Q)-1 int(Q)\n\t"
-            "FADDP  \t\t\t# 2^frac(Q) int(Q)\n\t" // could use FADD [1.000] instead
-            "MOV    EAX,[ESP]\t# Pick up int(Q)\n\t"
-            "MOV    ECX,0xFFFFF800\t# Overflow mask\n\t"
-            "ADD    EAX,1023\t\t# Double exponent bias\n\t"
-            "MOV    EBX,EAX\t\t# Preshifted biased expo\n\t"
-            "SHL    EAX,20\t\t# Shift exponent into place\n\t"
-            "TEST   EBX,ECX\t\t# Check for overflow\n\t"
-            "CMOVne EAX,ECX\t\t# If overflow, stuff NaN into EAX\n\t"
-            "MOV    [ESP+4],EAX\t# Marshal 64-bit scaling double\n\t"
-            "MOV    [ESP+0],0\n\t"
-            "FMUL   ST(0),[ESP+0]\t# Scale\n\t"
-
-            "ADD    ESP,8"
-             %}
-  ins_encode( push_stack_temp_qword,
-              Push_Reg_DPR(X),
-              Opcode(0xD9), Opcode(0xF1),   // fyl2x
-              pow_exp_core_encoding,
-              pop_stack_temp_qword);
-  ins_pipe( pipe_slow );
-%}
-
-instruct powD_reg(regD dst, regD src0, regD src1, regDPR1 tmp1, eAXRegI rax, eBXRegI rbx, eCXRegI rcx ) %{
+  effect(KILL rax, KILL rdx, KILL rcx, KILL cr);
+  format %{ "fast_pow $X $Y -> $Y  // KILL $rax, $rcx, $rdx" %}
+  ins_encode %{
+    __ subptr(rsp, 8);
+    __ fld_s($X$$reg - 1);
+    __ fast_pow();
+    __ addptr(rsp, 8);
+  %}
+  ins_pipe( pipe_slow );
+%}
+
+instruct powD_reg(regD dst, regD src0, regD src1, eAXRegI rax, eDXRegI rdx, eCXRegI rcx, eFlagsReg cr) %{
   predicate (UseSSE>=2);
   match(Set dst (PowD src0 src1));  // Raise src0 to the src1'th power
-  effect(KILL tmp1, KILL rax, KILL rbx, KILL rcx );
-  format %{ "SUB    ESP,8\t\t# Fast-path POW encoding\n\t"
-            "MOVSD  [ESP],$src1\n\t"
-            "FLD    FPR1,$src1\n\t"
-            "MOVSD  [ESP],$src0\n\t"
-            "FLD    FPR1,$src0\n\t"
-            "FYL2X  \t\t\t# Q=Y*ln2(X)\n\t"
-
-            "FDUP   \t\t\t# Q Q\n\t"
-            "FRNDINT\t\t\t# int(Q) Q\n\t"
-            "FSUB   ST(1),ST(0)\t# int(Q) frac(Q)\n\t"
-            "FISTP  dword [ESP]\n\t"
-            "F2XM1  \t\t\t# 2^frac(Q)-1 int(Q)\n\t"
-            "FLD1   \t\t\t# 1 2^frac(Q)-1 int(Q)\n\t"
-            "FADDP  \t\t\t# 2^frac(Q) int(Q)\n\t" // could use FADD [1.000] instead
-            "MOV    EAX,[ESP]\t# Pick up int(Q)\n\t"
-            "MOV    ECX,0xFFFFF800\t# Overflow mask\n\t"
-            "ADD    EAX,1023\t\t# Double exponent bias\n\t"
-            "MOV    EBX,EAX\t\t# Preshifted biased expo\n\t"
-            "SHL    EAX,20\t\t# Shift exponent into place\n\t"
-            "TEST   EBX,ECX\t\t# Check for overflow\n\t"
-            "CMOVne EAX,ECX\t\t# If overflow, stuff NaN into EAX\n\t"
-            "MOV    [ESP+4],EAX\t# Marshal 64-bit scaling double\n\t"
-            "MOV    [ESP+0],0\n\t"
-            "FMUL   ST(0),[ESP+0]\t# Scale\n\t"
-
-            "FST_D  [ESP]\n\t"
-            "MOVSD  $dst,[ESP]\n\t"
-            "ADD    ESP,8"
-             %}
-  ins_encode( push_stack_temp_qword,
-              push_xmm_to_fpr1(src1),
-              push_xmm_to_fpr1(src0),
-              Opcode(0xD9), Opcode(0xF1),   // fyl2x
-              pow_exp_core_encoding,
-              Push_ResultD(dst) );
-  ins_pipe( pipe_slow );
-%}
-
-
-instruct expDPR_reg(regDPR1 dpr1, eAXRegI rax, eBXRegI rbx, eCXRegI rcx) %{
+  effect(KILL rax, KILL rdx, KILL rcx, KILL cr);
+  format %{ "fast_pow $src0 $src1 -> $dst  // KILL $rax, $rcx, $rdx" %}
+  ins_encode %{
+    __ subptr(rsp, 8);
+    __ movdbl(Address(rsp, 0), $src1$$XMMRegister);
+    __ fld_d(Address(rsp, 0));
+    __ movdbl(Address(rsp, 0), $src0$$XMMRegister);
+    __ fld_d(Address(rsp, 0));
+    __ fast_pow();
+    __ fstp_d(Address(rsp, 0));
+    __ movdbl($dst$$XMMRegister, Address(rsp, 0));
+    __ addptr(rsp, 8);
+  %}
+  ins_pipe( pipe_slow );
+%}
+
+
+instruct expDPR_reg(regDPR1 dpr1, eAXRegI rax, eDXRegI rdx, eCXRegI rcx, eFlagsReg cr) %{
   predicate (UseSSE<=1);
   match(Set dpr1 (ExpD dpr1));
-  effect(KILL rax, KILL rbx, KILL rcx);
-  format %{ "SUB    ESP,8\t\t# Fast-path EXP encoding"
-            "FLDL2E \t\t\t# Ld log2(e) X\n\t"
-            "FMULP  \t\t\t# Q=X*log2(e)\n\t"
-
-            "FDUP   \t\t\t# Q Q\n\t"
-            "FRNDINT\t\t\t# int(Q) Q\n\t"
-            "FSUB   ST(1),ST(0)\t# int(Q) frac(Q)\n\t"
-            "FISTP  dword [ESP]\n\t"
-            "F2XM1  \t\t\t# 2^frac(Q)-1 int(Q)\n\t"
-            "FLD1   \t\t\t# 1 2^frac(Q)-1 int(Q)\n\t"
-            "FADDP  \t\t\t# 2^frac(Q) int(Q)\n\t" // could use FADD [1.000] instead
-            "MOV    EAX,[ESP]\t# Pick up int(Q)\n\t"
-            "MOV    ECX,0xFFFFF800\t# Overflow mask\n\t"
-            "ADD    EAX,1023\t\t# Double exponent bias\n\t"
-            "MOV    EBX,EAX\t\t# Preshifted biased expo\n\t"
-            "SHL    EAX,20\t\t# Shift exponent into place\n\t"
-            "TEST   EBX,ECX\t\t# Check for overflow\n\t"
-            "CMOVne EAX,ECX\t\t# If overflow, stuff NaN into EAX\n\t"
-            "MOV    [ESP+4],EAX\t# Marshal 64-bit scaling double\n\t"
-            "MOV    [ESP+0],0\n\t"
-            "FMUL   ST(0),[ESP+0]\t# Scale\n\t"
-
-            "ADD    ESP,8"
-             %}
-  ins_encode( push_stack_temp_qword,
-              Opcode(0xD9), Opcode(0xEA),   // fldl2e
-              Opcode(0xDE), Opcode(0xC9),   // fmulp
-              pow_exp_core_encoding,
-              pop_stack_temp_qword);
-  ins_pipe( pipe_slow );
-%}
-
-instruct expD_reg(regD dst, regD src, regDPR1 tmp1, eAXRegI rax, eBXRegI rbx, eCXRegI rcx) %{
+  effect(KILL rax, KILL rcx, KILL rdx, KILL cr);
+  format %{ "fast_exp $dpr1 -> $dpr1  // KILL $rax, $rcx, $rdx" %}
+  ins_encode %{
+    __ fast_exp();
+  %}
+  ins_pipe( pipe_slow );
+%}
+
+instruct expD_reg(regD dst, regD src, eAXRegI rax, eDXRegI rdx, eCXRegI rcx, eFlagsReg cr) %{
   predicate (UseSSE>=2);
   match(Set dst (ExpD src));
-  effect(KILL tmp1, KILL rax, KILL rbx, KILL rcx);
-  format %{ "SUB    ESP,8\t\t# Fast-path EXP encoding\n\t"
-            "MOVSD  [ESP],$src\n\t"
-            "FLDL2E \t\t\t# Ld log2(e) X\n\t"
-            "FMULP  \t\t\t# Q=X*log2(e) X\n\t"
-
-            "FDUP   \t\t\t# Q Q\n\t"
-            "FRNDINT\t\t\t# int(Q) Q\n\t"
-            "FSUB   ST(1),ST(0)\t# int(Q) frac(Q)\n\t"
-            "FISTP  dword [ESP]\n\t"
-            "F2XM1  \t\t\t# 2^frac(Q)-1 int(Q)\n\t"
-            "FLD1   \t\t\t# 1 2^frac(Q)-1 int(Q)\n\t"
-            "FADDP  \t\t\t# 2^frac(Q) int(Q)\n\t" // could use FADD [1.000] instead
-            "MOV    EAX,[ESP]\t# Pick up int(Q)\n\t"
-            "MOV    ECX,0xFFFFF800\t# Overflow mask\n\t"
-            "ADD    EAX,1023\t\t# Double exponent bias\n\t"
-            "MOV    EBX,EAX\t\t# Preshifted biased expo\n\t"
-            "SHL    EAX,20\t\t# Shift exponent into place\n\t"
-            "TEST   EBX,ECX\t\t# Check for overflow\n\t"
-            "CMOVne EAX,ECX\t\t# If overflow, stuff NaN into EAX\n\t"
-            "MOV    [ESP+4],EAX\t# Marshal 64-bit scaling double\n\t"
-            "MOV    [ESP+0],0\n\t"
-            "FMUL   ST(0),[ESP+0]\t# Scale\n\t"
-
-            "FST_D  [ESP]\n\t"
-            "MOVSD  $dst,[ESP]\n\t"
-            "ADD    ESP,8"
-             %}
-  ins_encode( Push_SrcD(src),
-              Opcode(0xD9), Opcode(0xEA),   // fldl2e
-              Opcode(0xDE), Opcode(0xC9),   // fmulp
-              pow_exp_core_encoding,
-              Push_ResultD(dst) );
-  ins_pipe( pipe_slow );
-%}
-
-
+  effect(KILL rax, KILL rcx, KILL rdx, KILL cr);
+  format %{ "fast_exp $dst -> $src  // KILL $rax, $rcx, $rdx" %}
+  ins_encode %{
+    __ subptr(rsp, 8);
+    __ movdbl(Address(rsp, 0), $src$$XMMRegister);
+    __ fld_d(Address(rsp, 0));
+    __ fast_exp();
+    __ fstp_d(Address(rsp, 0));
+    __ movdbl($dst$$XMMRegister, Address(rsp, 0));
+    __ addptr(rsp, 8);
+  %}
+  ins_pipe( pipe_slow );
+%}
 
 instruct log10DPR_reg(regDPR1 dst, regDPR1 src) %{
   predicate (UseSSE<=1);
--- a/src/cpu/x86/vm/x86_64.ad	Thu May 24 16:15:37 2012 -0700
+++ b/src/cpu/x86/vm/x86_64.ad	Fri May 25 14:45:35 2012 -0700
@@ -9823,7 +9823,39 @@
   ins_pipe( pipe_slow );
 %}
 
-
+instruct powD_reg(regD dst, regD src0, regD src1, rax_RegI rax, rdx_RegI rdx, rcx_RegI rcx, rFlagsReg cr) %{
+  match(Set dst (PowD src0 src1));  // Raise src0 to the src1'th power
+  effect(KILL rax, KILL rdx, KILL rcx, KILL cr);
+  format %{ "fast_pow $src0 $src1 -> $dst  // KILL $rax, $rcx, $rdx" %}
+  ins_encode %{
+    __ subptr(rsp, 8);
+    __ movdbl(Address(rsp, 0), $src1$$XMMRegister);
+    __ fld_d(Address(rsp, 0));
+    __ movdbl(Address(rsp, 0), $src0$$XMMRegister);
+    __ fld_d(Address(rsp, 0));
+    __ fast_pow();
+    __ fstp_d(Address(rsp, 0));
+    __ movdbl($dst$$XMMRegister, Address(rsp, 0));
+    __ addptr(rsp, 8);
+  %}
+  ins_pipe( pipe_slow );
+%}
+
+instruct expD_reg(regD dst, regD src, rax_RegI rax, rdx_RegI rdx, rcx_RegI rcx, rFlagsReg cr) %{
+  match(Set dst (ExpD src));
+  effect(KILL rax, KILL rcx, KILL rdx, KILL cr);
+  format %{ "fast_exp $dst -> $src  // KILL $rax, $rcx, $rdx" %}
+  ins_encode %{
+    __ subptr(rsp, 8);
+    __ movdbl(Address(rsp, 0), $src$$XMMRegister);
+    __ fld_d(Address(rsp, 0));
+    __ fast_exp();
+    __ fstp_d(Address(rsp, 0));
+    __ movdbl($dst$$XMMRegister, Address(rsp, 0));
+    __ addptr(rsp, 8);
+  %}
+  ins_pipe( pipe_slow );
+%}
 
 //----------Arithmetic Conversion Instructions---------------------------------
 
--- a/src/cpu/zero/vm/cppInterpreter_zero.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/cpu/zero/vm/cppInterpreter_zero.cpp	Fri May 25 14:45:35 2012 -0700
@@ -1026,6 +1026,16 @@
         java_lang_invoke_AdapterMethodHandle::vmargslot(method_handle);
       oop arg = VMSLOTS_OBJECT(arg_slot);
       jvalue arg_value;
+      if (arg == NULL) {
+        // queue a nullpointer exception for the caller
+        stack->set_sp(calculate_unwind_sp(stack, method_handle));
+        CALL_VM_NOCHECK_NOFIX(
+          throw_exception(
+            thread, vmSymbols::java_lang_NullPointerException()));
+        // NB all oops trashed!
+        assert(HAS_PENDING_EXCEPTION, "should do");
+        return;
+      }
       BasicType arg_type = java_lang_boxing_object::get_value(arg, &arg_value);
       if (arg_type == T_LONG || arg_type == T_DOUBLE) {
         intptr_t *unwind_sp = calculate_unwind_sp(stack, method_handle);
@@ -1112,6 +1122,15 @@
       case T_SHORT:
         return;
       }
+      // INT results sometimes need narrowing
+    case T_BOOLEAN:
+    case T_CHAR:
+    case T_BYTE:
+    case T_SHORT:
+      switch (src_rtype) {
+      case T_INT:
+        return;
+      }
     }
 
     tty->print_cr("unhandled conversion:");
--- a/src/os/bsd/vm/os_bsd.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/os/bsd/vm/os_bsd.cpp	Fri May 25 14:45:35 2012 -0700
@@ -2340,93 +2340,21 @@
 #endif
 }
 
+void os::print_os_info_brief(outputStream* st) {
+  st->print("Bsd");
+
+  os::Posix::print_uname_info(st);
+}
 
 void os::print_os_info(outputStream* st) {
   st->print("OS:");
-
-  // Try to identify popular distros.
-  // Most Bsd distributions have /etc/XXX-release file, which contains
-  // the OS version string. Some have more than one /etc/XXX-release file
-  // (e.g. Mandrake has both /etc/mandrake-release and /etc/redhat-release.),
-  // so the order is important.
-  if (!_print_ascii_file("/etc/mandrake-release", st) &&
-      !_print_ascii_file("/etc/sun-release", st) &&
-      !_print_ascii_file("/etc/redhat-release", st) &&
-      !_print_ascii_file("/etc/SuSE-release", st) &&
-      !_print_ascii_file("/etc/turbobsd-release", st) &&
-      !_print_ascii_file("/etc/gentoo-release", st) &&
-      !_print_ascii_file("/etc/debian_version", st) &&
-      !_print_ascii_file("/etc/ltib-release", st) &&
-      !_print_ascii_file("/etc/angstrom-version", st)) {
-      st->print("Bsd");
-  }
-  st->cr();
-
-  // kernel
-  st->print("uname:");
-  struct utsname name;
-  uname(&name);
-  st->print(name.sysname); st->print(" ");
-  st->print(name.release); st->print(" ");
-  st->print(name.version); st->print(" ");
-  st->print(name.machine);
-  st->cr();
-
-#ifndef _ALLBSD_SOURCE
-  // Print warning if unsafe chroot environment detected
-  if (unsafe_chroot_detected) {
-    st->print("WARNING!! ");
-    st->print_cr(unstable_chroot_error);
-  }
-
-  // libc, pthread
-  st->print("libc:");
-  st->print(os::Bsd::glibc_version()); st->print(" ");
-  st->print(os::Bsd::libpthread_version()); st->print(" ");
-  if (os::Bsd::is_BsdThreads()) {
-     st->print("(%s stack)", os::Bsd::is_floating_stack() ? "floating" : "fixed");
-  }
-  st->cr();
-#endif
-
-  // rlimit
-  st->print("rlimit:");
-  struct rlimit rlim;
-
-  st->print(" STACK ");
-  getrlimit(RLIMIT_STACK, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%uk", rlim.rlim_cur >> 10);
-
-  st->print(", CORE ");
-  getrlimit(RLIMIT_CORE, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%uk", rlim.rlim_cur >> 10);
-
-  st->print(", NPROC ");
-  getrlimit(RLIMIT_NPROC, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%d", rlim.rlim_cur);
-
-  st->print(", NOFILE ");
-  getrlimit(RLIMIT_NOFILE, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%d", rlim.rlim_cur);
-
-#ifndef _ALLBSD_SOURCE
-  st->print(", AS ");
-  getrlimit(RLIMIT_AS, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%uk", rlim.rlim_cur >> 10);
-  st->cr();
-
-  // load average
-  st->print("load average:");
-  double loadavg[3];
-  os::loadavg(loadavg, 3);
-  st->print("%0.02f %0.02f %0.02f", loadavg[0], loadavg[1], loadavg[2]);
-  st->cr();
-#endif
+  st->print("Bsd");
+
+  os::Posix::print_uname_info(st);
+
+  os::Posix::print_rlimit_info(st);
+
+  os::Posix::print_load_average(st);
 }
 
 void os::pd_print_cpu_info(outputStream* st) {
--- a/src/os/linux/vm/os_linux.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/os/linux/vm/os_linux.cpp	Fri May 25 14:45:35 2012 -0700
@@ -2020,15 +2020,43 @@
    }
 }
 
+void os::print_os_info_brief(outputStream* st) {
+  os::Linux::print_distro_info(st);
+
+  os::Posix::print_uname_info(st);
+
+  os::Linux::print_libversion_info(st);
+
+}
 
 void os::print_os_info(outputStream* st) {
   st->print("OS:");
 
-  // Try to identify popular distros.
-  // Most Linux distributions have /etc/XXX-release file, which contains
-  // the OS version string. Some have more than one /etc/XXX-release file
-  // (e.g. Mandrake has both /etc/mandrake-release and /etc/redhat-release.),
-  // so the order is important.
+  os::Linux::print_distro_info(st);
+
+  os::Posix::print_uname_info(st);
+
+  // Print warning if unsafe chroot environment detected
+  if (unsafe_chroot_detected) {
+    st->print("WARNING!! ");
+    st->print_cr(unstable_chroot_error);
+  }
+
+  os::Linux::print_libversion_info(st);
+
+  os::Posix::print_rlimit_info(st);
+
+  os::Posix::print_load_average(st);
+
+  os::Linux::print_full_memory_info(st);
+}
+
+// Try to identify popular distros.
+// Most Linux distributions have /etc/XXX-release file, which contains
+// the OS version string. Some have more than one /etc/XXX-release file
+// (e.g. Mandrake has both /etc/mandrake-release and /etc/redhat-release.),
+// so the order is important.
+void os::Linux::print_distro_info(outputStream* st) {
   if (!_print_ascii_file("/etc/mandrake-release", st) &&
       !_print_ascii_file("/etc/sun-release", st) &&
       !_print_ascii_file("/etc/redhat-release", st) &&
@@ -2041,23 +2069,9 @@
       st->print("Linux");
   }
   st->cr();
-
-  // kernel
-  st->print("uname:");
-  struct utsname name;
-  uname(&name);
-  st->print(name.sysname); st->print(" ");
-  st->print(name.release); st->print(" ");
-  st->print(name.version); st->print(" ");
-  st->print(name.machine);
-  st->cr();
-
-  // Print warning if unsafe chroot environment detected
-  if (unsafe_chroot_detected) {
-    st->print("WARNING!! ");
-    st->print_cr(unstable_chroot_error);
-  }
-
+}
+
+void os::Linux::print_libversion_info(outputStream* st) {
   // libc, pthread
   st->print("libc:");
   st->print(os::Linux::glibc_version()); st->print(" ");
@@ -2066,56 +2080,12 @@
      st->print("(%s stack)", os::Linux::is_floating_stack() ? "floating" : "fixed");
   }
   st->cr();
-
-  // rlimit
-  st->print("rlimit:");
-  struct rlimit rlim;
-
-  st->print(" STACK ");
-  getrlimit(RLIMIT_STACK, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%uk", rlim.rlim_cur >> 10);
-
-  st->print(", CORE ");
-  getrlimit(RLIMIT_CORE, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%uk", rlim.rlim_cur >> 10);
-
-  st->print(", NPROC ");
-  getrlimit(RLIMIT_NPROC, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%d", rlim.rlim_cur);
-
-  st->print(", NOFILE ");
-  getrlimit(RLIMIT_NOFILE, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%d", rlim.rlim_cur);
-
-  st->print(", AS ");
-  getrlimit(RLIMIT_AS, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%uk", rlim.rlim_cur >> 10);
-  st->cr();
-
-  // load average
-  st->print("load average:");
-  double loadavg[3];
-  os::loadavg(loadavg, 3);
-  st->print("%0.02f %0.02f %0.02f", loadavg[0], loadavg[1], loadavg[2]);
-  st->cr();
-
-  // meminfo
-  st->print("\n/proc/meminfo:\n");
-  _print_ascii_file("/proc/meminfo", st);
-  st->cr();
-}
-
-void os::pd_print_cpu_info(outputStream* st) {
-  st->print("\n/proc/cpuinfo:\n");
-  if (!_print_ascii_file("/proc/cpuinfo", st)) {
-    st->print("  <Not Available>");
-  }
-  st->cr();
+}
+
+void os::Linux::print_full_memory_info(outputStream* st) {
+   st->print("\n/proc/meminfo:\n");
+   _print_ascii_file("/proc/meminfo", st);
+   st->cr();
 }
 
 void os::print_memory_info(outputStream* st) {
@@ -2138,6 +2108,14 @@
   st->cr();
 }
 
+void os::pd_print_cpu_info(outputStream* st) {
+  st->print("\n/proc/cpuinfo:\n");
+  if (!_print_ascii_file("/proc/cpuinfo", st)) {
+    st->print("  <Not Available>");
+  }
+  st->cr();
+}
+
 // Taken from /usr/include/bits/siginfo.h  Supposed to be architecture specific
 // but they're the same for all the linux arch that we support
 // and they're the same for solaris but there's no common place to put this.
--- a/src/os/linux/vm/os_linux.hpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/os/linux/vm/os_linux.hpp	Fri May 25 14:45:35 2012 -0700
@@ -89,6 +89,10 @@
 
   static bool hugetlbfs_sanity_check(bool warn, size_t page_size);
 
+  static void print_full_memory_info(outputStream* st);
+  static void print_distro_info(outputStream* st);
+  static void print_libversion_info(outputStream* st);
+
  public:
   static void init_thread_fpu_state();
   static int  get_fpu_control_word();
--- a/src/os/posix/vm/os_posix.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/os/posix/vm/os_posix.cpp	Fri May 25 14:45:35 2012 -0700
@@ -28,6 +28,8 @@
 
 #include <unistd.h>
 #include <sys/resource.h>
+#include <sys/utsname.h>
+
 
 // Check core dump limit and report possible place where core can be found
 void os::check_or_create_dump(void* exceptionRecord, void* contextRecord, char* buffer, size_t bufferSize) {
@@ -72,3 +74,59 @@
   // don't do anything on posix platforms
   return;
 }
+
+void os::Posix::print_load_average(outputStream* st) {
+  st->print("load average:");
+  double loadavg[3];
+  os::loadavg(loadavg, 3);
+  st->print("%0.02f %0.02f %0.02f", loadavg[0], loadavg[1], loadavg[2]);
+  st->cr();
+}
+
+void os::Posix::print_rlimit_info(outputStream* st) {
+  st->print("rlimit:");
+  struct rlimit rlim;
+
+  st->print(" STACK ");
+  getrlimit(RLIMIT_STACK, &rlim);
+  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
+  else st->print("%uk", rlim.rlim_cur >> 10);
+
+  st->print(", CORE ");
+  getrlimit(RLIMIT_CORE, &rlim);
+  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
+  else st->print("%uk", rlim.rlim_cur >> 10);
+
+  //Isn't there on solaris
+#ifndef TARGET_OS_FAMILY_solaris
+  st->print(", NPROC ");
+  getrlimit(RLIMIT_NPROC, &rlim);
+  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
+  else st->print("%d", rlim.rlim_cur);
+#endif
+
+  st->print(", NOFILE ");
+  getrlimit(RLIMIT_NOFILE, &rlim);
+  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
+  else st->print("%d", rlim.rlim_cur);
+
+  st->print(", AS ");
+  getrlimit(RLIMIT_AS, &rlim);
+  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
+  else st->print("%uk", rlim.rlim_cur >> 10);
+  st->cr();
+}
+
+void os::Posix::print_uname_info(outputStream* st) {
+  // kernel
+  st->print("uname:");
+  struct utsname name;
+  uname(&name);
+  st->print(name.sysname); st->print(" ");
+  st->print(name.release); st->print(" ");
+  st->print(name.version); st->print(" ");
+  st->print(name.machine);
+  st->cr();
+}
+
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/os/posix/vm/os_posix.hpp	Fri May 25 14:45:35 2012 -0700
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef OS_POSIX_VM_OS_POSIX_HPP
+#define OS_POSIX_VM_OS_POSIX_HPP
+class Posix {
+  friend class os;
+
+protected:
+  static void print_distro_info(outputStream* st);
+  static void print_rlimit_info(outputStream* st);
+  static void print_uname_info(outputStream* st);
+  static void print_libversion_info(outputStream* st);
+  static void print_load_average(outputStream* st);
+
+
+};
+
+
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/os/solaris/add_gnu_debuglink/add_gnu_debuglink.c	Fri May 25 14:45:35 2012 -0700
@@ -0,0 +1,285 @@
+/*
+ * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/*
+ * Name:        add_gnu_debuglink.c
+ *
+ * Description: Add a ".gnu_debuglink" section that refers to the specified
+ *     debug_info_path to the specified ELF object.
+ *
+ *     This program is adapted from the example program shown on the
+ *     elf(3elf) man page and from code from the Solaris compiler
+ *     driver.
+ */
+
+/*
+ * needed to define SHF_EXCLUDE
+ */
+#define ELF_TARGET_ALL
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <libelf.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+static void failure(void);
+static unsigned int gnu_debuglink_crc32(unsigned int crc, unsigned char *buf,
+                                        size_t len);
+
+void
+main(int argc, char ** argv) {
+                                 /* new ELF section name */
+    static char SEC_NAME[] = ".gnu_debuglink";
+
+    unsigned char buffer[8 * 1024];  /* I/O buffer */
+    int           buffer_len;        /* buffer length */
+    char *        debug_info_path;   /* debug info path */
+    void *        ehdr;              /* ELF header */
+    Elf *         elf;               /* ELF descriptor */
+    char *        elf_ident;         /* ELF identity string */
+    char *        elf_obj;           /* elf_obj file */
+    int           fd;                /* descriptor for files */
+    unsigned int  file_crc = 0;      /* CRC for debug info file */
+    int           is_elfclass64;     /* is an ELFCLASS64 file? */
+    Elf_Data *    link_dat;          /* ELF data for new debug info link */
+    Elf_Data *    name_dat;          /* ELF data for new section name */
+    Elf_Scn *     new_scn;           /* new ELF section descriptor */
+    void *        new_shdr;          /* new ELF section header */
+    Elf_Scn *     scn;               /* ELF section descriptor */
+    void *        shdr;              /* ELF section header */
+
+    if (argc != 3) {
+        (void) fprintf(stderr, "Usage: %s debug_info_path elf_obj\n", argv[0]);
+        exit(2);
+    }
+
+    debug_info_path = argv[1];  /* save for later */
+    if ((fd = open(debug_info_path, O_RDONLY)) == -1) {
+        (void) fprintf(stderr, "%s: cannot open file.\n", debug_info_path);
+        exit(3);
+    }
+
+    (void) printf("Computing CRC for '%s'\n", debug_info_path);
+    (void) fflush(stdout);
+    /* compute CRC for the debug info file */
+    for (;;) {
+        int len = read(fd, buffer, sizeof buffer);
+        if (len <= 0) {
+            break;
+        }
+        file_crc = gnu_debuglink_crc32(file_crc, buffer, len);
+    }
+    (void) close(fd);
+
+    /* open the elf_obj */
+    elf_obj = argv[2];
+    if ((fd = open(elf_obj, O_RDWR)) == -1) {
+        (void) fprintf(stderr, "%s: cannot open file.\n", elf_obj);
+        exit(4);
+    }
+
+    (void) printf("Opening '%s' for update\n", elf_obj);
+    (void) fflush(stdout);
+    (void) elf_version(EV_CURRENT);  /* coordinate ELF versions */
+
+    /* obtain the ELF descriptors from the input file */
+    if ((elf = elf_begin(fd, ELF_C_RDWR, NULL)) == NULL) {
+        failure();
+    }
+
+    /* determine if ELFCLASS64 or not? */
+    elf_ident = elf_getident(elf, NULL);
+    is_elfclass64 = (elf_ident[EI_CLASS] == ELFCLASS64);
+
+    /* get the ELF header */
+    if (is_elfclass64) {
+        ehdr = elf64_getehdr(elf);
+    } else {
+        ehdr = elf32_getehdr(elf);
+    }
+    if (ehdr == NULL) {
+        failure();
+    }
+
+    /* get the ELF section descriptor */
+    if (is_elfclass64) {
+        scn = elf_getscn(elf, ((Elf64_Ehdr *) ehdr)->e_shstrndx);
+    } else {
+        scn = elf_getscn(elf, ((Elf32_Ehdr *) ehdr)->e_shstrndx);
+    }
+    if (scn == NULL) {
+        failure();
+    }
+
+    /* get the section header */
+    if (is_elfclass64) {
+        shdr = elf64_getshdr(scn);
+    } else {
+        shdr = elf32_getshdr(scn);
+    }
+    if (shdr == NULL) {
+        failure();
+    }
+
+    (void) printf("Adding ELF data for new section name\n");
+    (void) fflush(stdout);
+    name_dat = elf_newdata(scn);
+    name_dat->d_buf = (void *) SEC_NAME;
+    if (is_elfclass64) {
+        name_dat->d_off = ((Elf64_Shdr *) shdr)->sh_size + 1;
+    } else {
+        name_dat->d_off = ((Elf32_Shdr *) shdr)->sh_size + 1;
+    }
+    name_dat->d_align = 1;
+    name_dat->d_size = strlen(SEC_NAME) + 1;
+
+    new_scn = elf_newscn(elf);
+
+    if (is_elfclass64) {
+        new_shdr = elf64_getshdr(new_scn);
+        ((Elf64_Shdr *) new_shdr)->sh_flags = SHF_EXCLUDE;
+        ((Elf64_Shdr *) new_shdr)->sh_type = SHT_PROGBITS;
+        ((Elf64_Shdr *) new_shdr)->sh_name = ((Elf64_Shdr *) shdr)->sh_size;
+        ((Elf64_Shdr *) new_shdr)->sh_addralign = 1;
+        ((Elf64_Shdr *) shdr)->sh_size += (strlen(SEC_NAME) + 1);
+    } else {
+        new_shdr = elf32_getshdr(new_scn);
+        ((Elf32_Shdr *) new_shdr)->sh_flags = SHF_EXCLUDE;
+        ((Elf32_Shdr *) new_shdr)->sh_type = SHT_PROGBITS;
+        ((Elf32_Shdr *) new_shdr)->sh_name = ((Elf32_Shdr *) shdr)->sh_size;
+        ((Elf32_Shdr *) new_shdr)->sh_addralign = 1;
+        ((Elf32_Shdr *) shdr)->sh_size += (strlen(SEC_NAME) + 1);
+    }
+
+    (void) printf("Adding ELF data for debug_info_path value\n");
+    (void) fflush(stdout);
+    (void) memset(buffer, 0, sizeof buffer);
+    buffer_len = strlen(debug_info_path) + 1;  /* +1 for NUL */
+    (void) strncpy((char *) buffer, debug_info_path, buffer_len);
+    if (buffer_len % 4 != 0) {
+        /* not on a 4 byte boundary so pad to the next one */
+        buffer_len += (4 - buffer_len % 4);
+    }
+    /* save the CRC */
+    (void) memcpy(&buffer[buffer_len], &file_crc, sizeof file_crc);
+    buffer_len += sizeof file_crc;
+
+    link_dat = elf_newdata(new_scn);
+    link_dat->d_type = ELF_T_BYTE;
+    link_dat->d_size = buffer_len;
+    link_dat->d_buf = buffer;
+    link_dat->d_align = 1;
+
+    (void) printf("Saving updates to '%s'\n", elf_obj);
+    (void) fflush(stdout);
+    (void) elf_update(elf, ELF_C_NULL);   /* recalc ELF memory structures */
+    (void) elf_update(elf, ELF_C_WRITE);  /* write out changes to ELF obj */
+    (void) elf_end(elf);                  /* done with ELF obj */
+    (void) close(fd);
+
+    (void) printf("Done updating '%s'\n", elf_obj);
+    (void) fflush(stdout);
+    exit(0);
+}  /* end main */
+
+
+static void
+failure() {
+    (void) fprintf(stderr, "%s\n", elf_errmsg(elf_errno()));
+    exit(5);
+}
+
+
+/*
+ * The CRC used in gnu_debuglink, retrieved from
+ * http://sourceware.org/gdb/current/onlinedocs/gdb/Separate-Debug-Files.html#Separate-Debug-Files.
+ */
+
+static unsigned int
+gnu_debuglink_crc32(unsigned int crc, unsigned char *buf, size_t len) {
+    static const unsigned int crc32_table[256] = {
+        0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419,
+        0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4,
+        0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07,
+        0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
+        0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856,
+        0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
+        0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4,
+        0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
+        0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3,
+        0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a,
+        0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599,
+        0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
+        0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190,
+        0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f,
+        0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e,
+        0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
+        0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed,
+        0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
+        0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3,
+        0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
+        0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a,
+        0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5,
+        0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010,
+        0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
+        0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17,
+        0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6,
+        0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615,
+        0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
+        0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344,
+        0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
+        0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a,
+        0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
+        0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1,
+        0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c,
+        0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef,
+        0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
+        0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe,
+        0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31,
+        0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c,
+        0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
+        0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b,
+        0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
+        0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1,
+        0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
+        0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278,
+        0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7,
+        0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66,
+        0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
+        0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605,
+        0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8,
+        0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b,
+        0x2d02ef8d
+    };
+
+    unsigned char *end;
+
+    crc = ~crc & 0xffffffff;
+    for (end = buf + len; buf < end; ++buf) {
+        crc = crc32_table[(crc ^ *buf) & 0xff] ^ (crc >> 8);
+    }
+    return ~crc & 0xffffffff;
+}
--- a/src/os/solaris/vm/os_solaris.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/os/solaris/vm/os_solaris.cpp	Fri May 25 14:45:35 2012 -0700
@@ -2242,61 +2242,44 @@
   return true;
 }
 
+void os::print_os_info_brief(outputStream* st) {
+  os::Solaris::print_distro_info(st);
+
+  os::Posix::print_uname_info(st);
+
+  os::Solaris::print_libversion_info(st);
+}
+
 void os::print_os_info(outputStream* st) {
   st->print("OS:");
 
+  os::Solaris::print_distro_info(st);
+
+  os::Posix::print_uname_info(st);
+
+  os::Solaris::print_libversion_info(st);
+
+  os::Posix::print_rlimit_info(st);
+
+  os::Posix::print_load_average(st);
+}
+
+void os::Solaris::print_distro_info(outputStream* st) {
   if (!_print_ascii_file("/etc/release", st)) {
-    st->print("Solaris");
+      st->print("Solaris");
+    }
+    st->cr();
+}
+
+void os::Solaris::print_libversion_info(outputStream* st) {
+  if (os::Solaris::T2_libthread()) {
+    st->print("  (T2 libthread)");
+  }
+  else {
+    st->print("  (T1 libthread)");
   }
   st->cr();
-
-  // kernel
-  st->print("uname:");
-  struct utsname name;
-  uname(&name);
-  st->print(name.sysname); st->print(" ");
-  st->print(name.release); st->print(" ");
-  st->print(name.version); st->print(" ");
-  st->print(name.machine);
-
-  // libthread
-  if (os::Solaris::T2_libthread()) st->print("  (T2 libthread)");
-  else st->print("  (T1 libthread)");
-  st->cr();
-
-  // rlimit
-  st->print("rlimit:");
-  struct rlimit rlim;
-
-  st->print(" STACK ");
-  getrlimit(RLIMIT_STACK, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%uk", rlim.rlim_cur >> 10);
-
-  st->print(", CORE ");
-  getrlimit(RLIMIT_CORE, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%uk", rlim.rlim_cur >> 10);
-
-  st->print(", NOFILE ");
-  getrlimit(RLIMIT_NOFILE, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%d", rlim.rlim_cur);
-
-  st->print(", AS ");
-  getrlimit(RLIMIT_AS, &rlim);
-  if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
-  else st->print("%uk", rlim.rlim_cur >> 10);
-  st->cr();
-
-  // load average
-  st->print("load average:");
-  double loadavg[3];
-  os::loadavg(loadavg, 3);
-  st->print("%0.02f %0.02f %0.02f", loadavg[0], loadavg[1], loadavg[2]);
-  st->cr();
-}
-
+}
 
 static bool check_addr0(outputStream* st) {
   jboolean status = false;
--- a/src/os/solaris/vm/os_solaris.hpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/os/solaris/vm/os_solaris.hpp	Fri May 25 14:45:35 2012 -0700
@@ -180,6 +180,9 @@
   // proc_t structure (note that this is a system struct).
   static address _main_stack_base;
 
+  static void print_distro_info(outputStream* st);
+  static void print_libversion_info(outputStream* st);
+
  public:
   static void libthread_init();
   static void synchronization_init();
--- a/src/os/windows/vm/os_windows.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/os/windows/vm/os_windows.cpp	Fri May 25 14:45:35 2012 -0700
@@ -1562,9 +1562,17 @@
    enumerate_modules(pid, _print_module, (void *)st);
 }
 
+void os::print_os_info_brief(outputStream* st) {
+  os::print_os_info(st);
+}
+
 void os::print_os_info(outputStream* st) {
   st->print("OS:");
 
+  os::win32::print_windows_version(st);
+}
+
+void os::win32::print_windows_version(outputStream* st) {
   OSVERSIONINFOEX osvi;
   ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
   osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
--- a/src/os/windows/vm/os_windows.hpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/os/windows/vm/os_windows.hpp	Fri May 25 14:45:35 2012 -0700
@@ -27,6 +27,7 @@
 // Win32_OS defines the interface to windows operating systems
 
 class win32 {
+  friend class os;
 
  protected:
   static int    _vm_page_size;
@@ -39,6 +40,8 @@
   static bool   _is_windows_2003;
   static bool   _is_windows_server;
 
+  static void print_windows_version(outputStream* st);
+
  public:
   // Windows-specific interface:
   static void   initialize_system_info();
--- a/src/os_cpu/bsd_x86/vm/os_bsd_x86.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/os_cpu/bsd_x86/vm/os_bsd_x86.cpp	Fri May 25 14:45:35 2012 -0700
@@ -522,11 +522,12 @@
 
       if ((sig == SIGSEGV || sig == SIGBUS) && os::is_poll_address((address)info->si_addr)) {
         stub = SharedRuntime::get_poll_stub(pc);
-#if defined(__APPLE__) && !defined(AMD64)
+#if defined(__APPLE__)
       // 32-bit Darwin reports a SIGBUS for nearly all memory access exceptions.
+      // 64-bit Darwin may also use a SIGBUS (seen with compressed oops).
       // Catching SIGBUS here prevents the implicit SIGBUS NULL check below from
       // being called, so only do so if the implicit NULL check is not necessary.
-      } else if (sig == SIGBUS && MacroAssembler::needs_explicit_null_check((int)info->si_addr)) {
+      } else if (sig == SIGBUS && MacroAssembler::needs_explicit_null_check((intptr_t)info->si_addr)) {
 #else
       } else if (sig == SIGBUS /* && info->si_code == BUS_OBJERR */) {
 #endif
--- a/src/share/vm/c1/c1_GraphBuilder.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/share/vm/c1/c1_GraphBuilder.cpp	Fri May 25 14:45:35 2012 -0700
@@ -2949,6 +2949,8 @@
   case vmIntrinsics::_dtan          : // fall through
   case vmIntrinsics::_dlog          : // fall through
   case vmIntrinsics::_dlog10        : // fall through
+  case vmIntrinsics::_dexp          : // fall through
+  case vmIntrinsics::_dpow          : // fall through
     {
       // Compiles where the root method is an intrinsic need a special
       // compilation environment because the bytecodes for the method
@@ -2969,6 +2971,9 @@
       _state = start_block->state()->copy_for_parsing();
       _last  = start_block;
       load_local(doubleType, 0);
+      if (scope->method()->intrinsic_id() == vmIntrinsics::_dpow) {
+        load_local(doubleType, 2);
+      }
 
       // Emit the intrinsic node.
       bool result = try_inline_intrinsics(scope->method());
@@ -3182,6 +3187,8 @@
     case vmIntrinsics::_dtan          : // fall through
     case vmIntrinsics::_dlog          : // fall through
     case vmIntrinsics::_dlog10        : // fall through
+    case vmIntrinsics::_dexp          : // fall through
+    case vmIntrinsics::_dpow          : // fall through
       if (!InlineMathNatives) return false;
       cantrap = false;
       preserves_state = true;
--- a/src/share/vm/c1/c1_LIR.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/share/vm/c1/c1_LIR.cpp	Fri May 25 14:45:35 2012 -0700
@@ -624,11 +624,13 @@
     {
       assert(op->as_Op2() != NULL, "must be");
       LIR_Op2* op2 = (LIR_Op2*)op;
+      assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
+             op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
 
       if (op2->_info)                     do_info(op2->_info);
       if (op2->_opr1->is_valid())         do_input(op2->_opr1);
       if (op2->_opr2->is_valid())         do_input(op2->_opr2);
-      if (op2->_tmp->is_valid())          do_temp(op2->_tmp);
+      if (op2->_tmp1->is_valid())         do_temp(op2->_tmp1);
       if (op2->_result->is_valid())       do_output(op2->_result);
 
       break;
@@ -641,7 +643,8 @@
       assert(op->as_Op2() != NULL, "must be");
       LIR_Op2* op2 = (LIR_Op2*)op;
 
-      assert(op2->_info == NULL && op2->_tmp->is_illegal(), "not used");
+      assert(op2->_info == NULL && op2->_tmp1->is_illegal() && op2->_tmp2->is_illegal() &&
+             op2->_tmp3->is_illegal() && op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
       assert(op2->_opr1->is_valid() && op2->_opr2->is_valid() && op2->_result->is_valid(), "used");
 
       do_input(op2->_opr1);
@@ -665,10 +668,12 @@
       assert(op2->_opr1->is_valid(), "used");
       assert(op2->_opr2->is_valid(), "used");
       assert(op2->_result->is_valid(), "used");
+      assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
+             op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
 
       do_input(op2->_opr1); do_temp(op2->_opr1);
       do_input(op2->_opr2); do_temp(op2->_opr2);
-      if (op2->_tmp->is_valid()) do_temp(op2->_tmp);
+      if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1);
       do_output(op2->_result);
 
       break;
@@ -682,6 +687,8 @@
       if (op2->_opr1->is_valid())         do_temp(op2->_opr1);
       if (op2->_opr2->is_valid())         do_input(op2->_opr2); // exception object is input parameter
       assert(op2->_result->is_illegal(), "no result");
+      assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
+             op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
 
       break;
     }
@@ -702,7 +709,8 @@
     case lir_sin:
     case lir_cos:
     case lir_log:
-    case lir_log10: {
+    case lir_log10:
+    case lir_exp: {
       assert(op->as_Op2() != NULL, "must be");
       LIR_Op2* op2 = (LIR_Op2*)op;
 
@@ -711,16 +719,47 @@
       // Register input operand as temp to guarantee that it doesn't
       // overlap with the input.
       assert(op2->_info == NULL, "not used");
+      assert(op2->_tmp5->is_illegal(), "not used");
+      assert(op2->_tmp2->is_valid() == (op->code() == lir_exp), "not used");
+      assert(op2->_tmp3->is_valid() == (op->code() == lir_exp), "not used");
+      assert(op2->_tmp4->is_valid() == (op->code() == lir_exp), "not used");
       assert(op2->_opr1->is_valid(), "used");
       do_input(op2->_opr1); do_temp(op2->_opr1);
 
       if (op2->_opr2->is_valid())         do_temp(op2->_opr2);
-      if (op2->_tmp->is_valid())          do_temp(op2->_tmp);
+      if (op2->_tmp1->is_valid())         do_temp(op2->_tmp1);
+      if (op2->_tmp2->is_valid())         do_temp(op2->_tmp2);
+      if (op2->_tmp3->is_valid())         do_temp(op2->_tmp3);
+      if (op2->_tmp4->is_valid())         do_temp(op2->_tmp4);
       if (op2->_result->is_valid())       do_output(op2->_result);
 
       break;
     }
 
+    case lir_pow: {
+      assert(op->as_Op2() != NULL, "must be");
+      LIR_Op2* op2 = (LIR_Op2*)op;
+
+      // On x86 pow needs two temporary fpu stack slots: tmp1 and
+      // tmp2. Register input operands as temps to guarantee that it
+      // doesn't overlap with the temporary slots.
+      assert(op2->_info == NULL, "not used");
+      assert(op2->_opr1->is_valid() && op2->_opr2->is_valid(), "used");
+      assert(op2->_tmp1->is_valid() && op2->_tmp2->is_valid() && op2->_tmp3->is_valid()
+             && op2->_tmp4->is_valid() && op2->_tmp5->is_valid(), "used");
+      assert(op2->_result->is_valid(), "used");
+
+      do_input(op2->_opr1); do_temp(op2->_opr1);
+      do_input(op2->_opr2); do_temp(op2->_opr2);
+      do_temp(op2->_tmp1);
+      do_temp(op2->_tmp2);
+      do_temp(op2->_tmp3);
+      do_temp(op2->_tmp4);
+      do_temp(op2->_tmp5);
+      do_output(op2->_result);
+
+      break;
+    }
 
 // LIR_Op3
     case lir_idiv:
@@ -1670,6 +1709,8 @@
      case lir_tan:                   s = "tan";           break;
      case lir_log:                   s = "log";           break;
      case lir_log10:                 s = "log10";         break;
+     case lir_exp:                   s = "exp";           break;
+     case lir_pow:                   s = "pow";           break;
      case lir_logic_and:             s = "logic_and";     break;
      case lir_logic_or:              s = "logic_or";      break;
      case lir_logic_xor:             s = "logic_xor";     break;
@@ -1892,7 +1933,11 @@
   }
   in_opr1()->print(out);    out->print(" ");
   in_opr2()->print(out);    out->print(" ");
-  if (tmp_opr()->is_valid()) { tmp_opr()->print(out);    out->print(" "); }
+  if (tmp1_opr()->is_valid()) { tmp1_opr()->print(out);    out->print(" "); }
+  if (tmp2_opr()->is_valid()) { tmp2_opr()->print(out);    out->print(" "); }
+  if (tmp3_opr()->is_valid()) { tmp3_opr()->print(out);    out->print(" "); }
+  if (tmp4_opr()->is_valid()) { tmp4_opr()->print(out);    out->print(" "); }
+  if (tmp5_opr()->is_valid()) { tmp5_opr()->print(out);    out->print(" "); }
   result_opr()->print(out);
 }
 
--- a/src/share/vm/c1/c1_LIR.hpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/share/vm/c1/c1_LIR.hpp	Fri May 25 14:45:35 2012 -0700
@@ -916,6 +916,8 @@
       , lir_tan
       , lir_log
       , lir_log10
+      , lir_exp
+      , lir_pow
       , lir_logic_and
       , lir_logic_or
       , lir_logic_xor
@@ -1560,7 +1562,11 @@
   LIR_Opr   _opr1;
   LIR_Opr   _opr2;
   BasicType _type;
-  LIR_Opr   _tmp;
+  LIR_Opr   _tmp1;
+  LIR_Opr   _tmp2;
+  LIR_Opr   _tmp3;
+  LIR_Opr   _tmp4;
+  LIR_Opr   _tmp5;
   LIR_Condition _condition;
 
   void verify() const;
@@ -1573,7 +1579,11 @@
     , _type(T_ILLEGAL)
     , _condition(condition)
     , _fpu_stack_size(0)
-    , _tmp(LIR_OprFact::illegalOpr) {
+    , _tmp1(LIR_OprFact::illegalOpr)
+    , _tmp2(LIR_OprFact::illegalOpr)
+    , _tmp3(LIR_OprFact::illegalOpr)
+    , _tmp4(LIR_OprFact::illegalOpr)
+    , _tmp5(LIR_OprFact::illegalOpr) {
     assert(code == lir_cmp, "code check");
   }
 
@@ -1584,7 +1594,11 @@
     , _type(type)
     , _condition(condition)
     , _fpu_stack_size(0)
-    , _tmp(LIR_OprFact::illegalOpr) {
+    , _tmp1(LIR_OprFact::illegalOpr)
+    , _tmp2(LIR_OprFact::illegalOpr)
+    , _tmp3(LIR_OprFact::illegalOpr)
+    , _tmp4(LIR_OprFact::illegalOpr)
+    , _tmp5(LIR_OprFact::illegalOpr) {
     assert(code == lir_cmove, "code check");
     assert(type != T_ILLEGAL, "cmove should have type");
   }
@@ -1597,25 +1611,38 @@
     , _type(type)
     , _condition(lir_cond_unknown)
     , _fpu_stack_size(0)
-    , _tmp(LIR_OprFact::illegalOpr) {
+    , _tmp1(LIR_OprFact::illegalOpr)
+    , _tmp2(LIR_OprFact::illegalOpr)
+    , _tmp3(LIR_OprFact::illegalOpr)
+    , _tmp4(LIR_OprFact::illegalOpr)
+    , _tmp5(LIR_OprFact::illegalOpr) {
     assert(code != lir_cmp && is_in_range(code, begin_op2, end_op2), "code check");
   }
 
-  LIR_Op2(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result, LIR_Opr tmp)
+  LIR_Op2(LIR_Code code, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result, LIR_Opr tmp1, LIR_Opr tmp2 = LIR_OprFact::illegalOpr,
+          LIR_Opr tmp3 = LIR_OprFact::illegalOpr, LIR_Opr tmp4 = LIR_OprFact::illegalOpr, LIR_Opr tmp5 = LIR_OprFact::illegalOpr)
     : LIR_Op(code, result, NULL)
     , _opr1(opr1)
     , _opr2(opr2)
     , _type(T_ILLEGAL)
     , _condition(lir_cond_unknown)
     , _fpu_stack_size(0)
-    , _tmp(tmp) {
+    , _tmp1(tmp1)
+    , _tmp2(tmp2)
+    , _tmp3(tmp3)
+    , _tmp4(tmp4)
+    , _tmp5(tmp5) {
     assert(code != lir_cmp && is_in_range(code, begin_op2, end_op2), "code check");
   }
 
   LIR_Opr in_opr1() const                        { return _opr1; }
   LIR_Opr in_opr2() const                        { return _opr2; }
   BasicType type()  const                        { return _type; }
-  LIR_Opr tmp_opr() const                        { return _tmp; }
+  LIR_Opr tmp1_opr() const                       { return _tmp1; }
+  LIR_Opr tmp2_opr() const                       { return _tmp2; }
+  LIR_Opr tmp3_opr() const                       { return _tmp3; }
+  LIR_Opr tmp4_opr() const                       { return _tmp4; }
+  LIR_Opr tmp5_opr() const                       { return _tmp5; }
   LIR_Condition condition() const  {
     assert(code() == lir_cmp || code() == lir_cmove, "only valid for cmp and cmove"); return _condition;
   }
@@ -2025,6 +2052,8 @@
   void sin (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_Op2(lir_sin , from, tmp1, to, tmp2)); }
   void cos (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_Op2(lir_cos , from, tmp1, to, tmp2)); }
   void tan (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2) { append(new LIR_Op2(lir_tan , from, tmp1, to, tmp2)); }
+  void exp (LIR_Opr from, LIR_Opr to, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, LIR_Opr tmp4, LIR_Opr tmp5)                { append(new LIR_Op2(lir_exp , from, tmp1, to, tmp2, tmp3, tmp4, tmp5)); }
+  void pow (LIR_Opr arg1, LIR_Opr arg2, LIR_Opr res, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, LIR_Opr tmp4, LIR_Opr tmp5) { append(new LIR_Op2(lir_pow, arg1, arg2, res, tmp1, tmp2, tmp3, tmp4, tmp5)); }
 
   void add (LIR_Opr left, LIR_Opr right, LIR_Opr res)      { append(new LIR_Op2(lir_add, left, right, res)); }
   void sub (LIR_Opr left, LIR_Opr right, LIR_Opr res, CodeEmitInfo* info = NULL) { append(new LIR_Op2(lir_sub, left, right, res, info)); }
--- a/src/share/vm/c1/c1_LIRAssembler.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/share/vm/c1/c1_LIRAssembler.cpp	Fri May 25 14:45:35 2012 -0700
@@ -718,7 +718,7 @@
       if (op->in_opr2()->is_constant()) {
         shift_op(op->code(), op->in_opr1(), op->in_opr2()->as_constant_ptr()->as_jint(), op->result_opr());
       } else {
-        shift_op(op->code(), op->in_opr1(), op->in_opr2(), op->result_opr(), op->tmp_opr());
+        shift_op(op->code(), op->in_opr1(), op->in_opr2(), op->result_opr(), op->tmp1_opr());
       }
       break;
 
@@ -746,6 +746,8 @@
     case lir_cos:
     case lir_log:
     case lir_log10:
+    case lir_exp:
+    case lir_pow:
       intrinsic_op(op->code(), op->in_opr1(), op->in_opr2(), op->result_opr(), op);
       break;
 
--- a/src/share/vm/c1/c1_LIRGenerator.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/share/vm/c1/c1_LIRGenerator.cpp	Fri May 25 14:45:35 2012 -0700
@@ -2960,7 +2960,9 @@
   case vmIntrinsics::_dsqrt:          // fall through
   case vmIntrinsics::_dtan:           // fall through
   case vmIntrinsics::_dsin :          // fall through
-  case vmIntrinsics::_dcos :          do_MathIntrinsic(x); break;
+  case vmIntrinsics::_dcos :          // fall through
+  case vmIntrinsics::_dexp :          // fall through
+  case vmIntrinsics::_dpow :          do_MathIntrinsic(x); break;
   case vmIntrinsics::_arraycopy:      do_ArrayCopy(x);     break;
 
   // java.nio.Buffer.checkIndex
--- a/src/share/vm/c1/c1_LinearScan.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/share/vm/c1/c1_LinearScan.cpp	Fri May 25 14:45:35 2012 -0700
@@ -6579,6 +6579,8 @@
         case lir_abs:
         case lir_log10:
         case lir_log:
+        case lir_pow:
+        case lir_exp:
         case lir_logic_and:
         case lir_logic_or:
         case lir_logic_xor:
--- a/src/share/vm/interpreter/abstractInterpreter.hpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/share/vm/interpreter/abstractInterpreter.hpp	Fri May 25 14:45:35 2012 -0700
@@ -107,6 +107,8 @@
     java_lang_math_sqrt,                                        // implementation of java.lang.Math.sqrt  (x)
     java_lang_math_log,                                         // implementation of java.lang.Math.log   (x)
     java_lang_math_log10,                                       // implementation of java.lang.Math.log10 (x)
+    java_lang_math_pow,                                         // implementation of java.lang.Math.pow   (x,y)
+    java_lang_math_exp,                                         // implementation of java.lang.Math.exp   (x)
     java_lang_ref_reference_get,                                // implementation of java.lang.ref.Reference.get()
     number_of_method_entries,
     invalid = -1
--- a/src/share/vm/interpreter/interpreter.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/share/vm/interpreter/interpreter.cpp	Fri May 25 14:45:35 2012 -0700
@@ -221,6 +221,8 @@
     case vmIntrinsics::_dsqrt : return java_lang_math_sqrt ;
     case vmIntrinsics::_dlog  : return java_lang_math_log  ;
     case vmIntrinsics::_dlog10: return java_lang_math_log10;
+    case vmIntrinsics::_dpow  : return java_lang_math_pow  ;
+    case vmIntrinsics::_dexp  : return java_lang_math_exp  ;
 
     case vmIntrinsics::_Reference_get:
                                 return java_lang_ref_reference_get;
--- a/src/share/vm/interpreter/templateInterpreter.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/share/vm/interpreter/templateInterpreter.cpp	Fri May 25 14:45:35 2012 -0700
@@ -370,6 +370,8 @@
   method_entry(java_lang_math_sqrt )
   method_entry(java_lang_math_log  )
   method_entry(java_lang_math_log10)
+  method_entry(java_lang_math_exp  )
+  method_entry(java_lang_math_pow  )
   method_entry(java_lang_ref_reference_get)
 
   // all native method kinds (must be one contiguous block)
--- a/src/share/vm/opto/doCall.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/share/vm/opto/doCall.cpp	Fri May 25 14:45:35 2012 -0700
@@ -780,7 +780,7 @@
     if( at_method_entry ) {
       // bump invocation counter if top method (for statistics)
       if (CountCompiledCalls && depth() == 1) {
-        const TypeInstPtr* addr_type = TypeInstPtr::make(method());
+        const TypeOopPtr* addr_type = TypeOopPtr::make_from_constant(method());
         Node* adr1 = makecon(addr_type);
         Node* adr2 = basic_plus_adr(adr1, adr1, in_bytes(methodOopDesc::compiled_invocation_counter_offset()));
         increment_counter(adr2);
--- a/src/share/vm/opto/library_call.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/share/vm/opto/library_call.cpp	Fri May 25 14:45:35 2012 -0700
@@ -1557,9 +1557,6 @@
   // every again.  NaN results requires StrictMath.exp handling.
   if (too_many_traps(Deoptimization::Reason_intrinsic))  return false;
 
-  // Do not intrinsify on older platforms which lack cmove.
-  if (ConditionalMoveLimit == 0)  return false;
-
   _sp += arg_size();        // restore stack pointer
   Node *x = pop_math_arg();
   Node *result = _gvn.transform(new (C, 2) ExpDNode(0,x));
@@ -1802,15 +1799,11 @@
   case vmIntrinsics::_dsqrt: return Matcher::has_match_rule(Op_SqrtD) ? inline_sqrt(id) : false;
   case vmIntrinsics::_dabs:  return Matcher::has_match_rule(Op_AbsD)  ? inline_abs(id)  : false;
 
-    // These intrinsics don't work on X86.  The ad implementation doesn't
-    // handle NaN's properly.  Instead of returning infinity, the ad
-    // implementation returns a NaN on overflow. See bug: 6304089
-    // Once the ad implementations are fixed, change the code below
-    // to match the intrinsics above
-
   case vmIntrinsics::_dexp:  return
+    Matcher::has_match_rule(Op_ExpD) ? inline_exp(id) :
     runtime_math(OptoRuntime::Math_D_D_Type(), CAST_FROM_FN_PTR(address, SharedRuntime::dexp), "EXP");
   case vmIntrinsics::_dpow:  return
+    Matcher::has_match_rule(Op_PowD) ? inline_pow(id) :
     runtime_math(OptoRuntime::Math_DD_D_Type(), CAST_FROM_FN_PTR(address, SharedRuntime::dpow), "POW");
 
    // These intrinsics are not yet correctly implemented
--- a/src/share/vm/opto/subnode.cpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/share/vm/opto/subnode.cpp	Fri May 25 14:45:35 2012 -0700
@@ -1314,7 +1314,5 @@
   if( t2->base() != Type::DoubleCon ) return Type::DOUBLE;
   double d1 = t1->getd();
   double d2 = t2->getd();
-  if( d1 < 0.0 ) return Type::DOUBLE;
-  if( d2 < 0.0 ) return Type::DOUBLE;
   return TypeD::make( StubRoutines::intrinsic_pow( d1, d2 ) );
 }
--- a/src/share/vm/runtime/os.hpp	Thu May 24 16:15:37 2012 -0700
+++ b/src/share/vm/runtime/os.hpp	Fri May 25 14:45:35 2012 -0700
@@ -492,6 +492,7 @@
   // Print out system information; they are called by fatal error handler.
   // Output format may be different on different platforms.
   static void print_os_info(outputStream* st);
+  static void print_os_info_brief(outputStream* st);
   static void print_cpu_info(outputStream* st);
   static void pd_print_cpu_info(outputStream* st);
   static void print_memory_info(outputStream* st);
@@ -685,14 +686,17 @@
   // Platform dependent stuff
 #ifdef TARGET_OS_FAMILY_linux
 # include "os_linux.hpp"
+# include "os_posix.hpp"
 #endif
 #ifdef TARGET_OS_FAMILY_solaris
 # include "os_solaris.hpp"
+# include "os_posix.hpp"
 #endif
 #ifdef TARGET_OS_FAMILY_windows
 # include "os_windows.hpp"
 #endif
 #ifdef TARGET_OS_FAMILY_bsd
+# include "os_posix.hpp"
 # include "os_bsd.hpp"
 #endif
 #ifdef TARGET_OS_ARCH_linux_x86
--- a/test/compiler/6894807/Test6894807.sh	Thu May 24 16:15:37 2012 -0700
+++ b/test/compiler/6894807/Test6894807.sh	Fri May 25 14:45:35 2012 -0700
@@ -18,8 +18,6 @@
   exit 1
 fi
 
-BIT_FLAG=""
-
 # set platform-dependent variables
 OS=`uname -s`
 case "$OS" in
@@ -27,12 +25,6 @@
     NULL=/dev/null
     PS=":"
     FS="/"
-    ## for solaris, linux it's HOME
-    FILE_LOCATION=$HOME
-    if [ -f ${FILE_LOCATION}${FS}JDK64BIT -a ${OS} = "SunOS" ]
-    then
-        BIT_FLAG=`cat ${FILE_LOCATION}${FS}JDK64BIT | grep -v '^#'`
-    fi
     ;;
   Windows_* )
     NULL=NUL
@@ -50,9 +42,9 @@
 
 THIS_DIR=`pwd`
 
-${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} -version
+${TESTJAVA}${FS}bin${FS}java ${TESTVMOPTS} -version
 
-${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} -server IsInstanceTest > test.out 2>&1
+${TESTJAVA}${FS}bin${FS}java ${TESTVMOPTS} IsInstanceTest > test.out 2>&1
 
 cat test.out
 
--- a/test/gc/6941923/test6941923.sh	Thu May 24 16:15:37 2012 -0700
+++ b/test/gc/6941923/test6941923.sh	Fri May 25 14:45:35 2012 -0700
@@ -30,7 +30,7 @@
   exit 0
 fi
 
-$JAVA_HOME/bin/java -version > $NULL 2>&1
+$JAVA_HOME/bin/java ${TESTVMOPTS} -version > $NULL 2>&1
 
 if [ $? != 0 ]; then
   echo "Wrong JAVA_HOME? JAVA_HOME: $JAVA_HOME"
@@ -119,7 +119,7 @@
 
 options="-Xloggc:$logfile -XX:+UseConcMarkSweepGC -XX:+PrintGC -XX:+PrintGCDetails -XX:+UseGCLogFileRotation  -XX:NumberOfGCLogFiles=1 -XX:GCLogFileSize=$gclogsize"
 echo "Test gc log rotation in same file, wait for $tts minutes ...."
-$JAVA_HOME/bin/java $options $testname $tts
+$JAVA_HOME/bin/java ${TESTVMOPTS} $options $testname $tts
 if [ $? != 0 ]; then
   echo "$msgfail"
   exit -1
@@ -148,7 +148,7 @@
 numoffiles=3
 options="-Xloggc:$logfile -XX:+UseConcMarkSweepGC -XX:+PrintGC -XX:+PrintGCDetails -XX:+UseGCLogFileRotation  -XX:NumberOfGCLogFiles=$numoffiles -XX:GCLogFileSize=$gclogsize"
 echo "Test gc log rotation in $numoffiles files, wait for $tts minutes ...."
-$JAVA_HOME/bin/java $options $testname $tts
+$JAVA_HOME/bin/java ${TESTVMOPTS} $options $testname $tts
 if [ $? != 0 ]; then
   echo "$msgfail"
   exit -1
--- a/test/runtime/6626217/Test6626217.sh	Thu May 24 16:15:37 2012 -0700
+++ b/test/runtime/6626217/Test6626217.sh	Fri May 25 14:45:35 2012 -0700
@@ -1,5 +1,5 @@
 # 
-#  Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
+#  Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
 #  DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 # 
 #  This code is free software; you can redistribute it and/or modify it
@@ -46,8 +46,6 @@
   exit 1
 fi
 
-BIT_FLAG=""
-
 # set platform-dependent variables
 OS=`uname -s`
 case "$OS" in
@@ -58,12 +56,6 @@
     RM=/bin/rm
     CP=/bin/cp
     MV=/bin/mv
-    ## for solaris, linux it's HOME
-    FILE_LOCATION=$HOME
-    if [ -f ${FILE_LOCATION}${FS}JDK64BIT -a ${OS} = "SunOS" ]
-    then
-        BIT_FLAG=`cat ${FILE_LOCATION}${FS}JDK64BIT`
-    fi
     ;;
   Windows_* )
     NULL=NUL
@@ -87,7 +79,7 @@
 JAVA=${TESTJAVA}${FS}bin${FS}java
 JAVAC=${TESTJAVA}${FS}bin${FS}javac
 
-${JAVA} ${BIT_FLAG} -version
+${JAVA} ${TESTVMOPTS} -version
 
 # Current directory is scratch directory, copy all the test source there
 # (for the subsequent moves to work).
@@ -113,7 +105,7 @@
 ${MV} many_loader.impl1 many_loader.class
 ${RM} many_loader.java
 
-${JAVA} ${BIT_FLAG} -Xverify -Xint -cp . bug_21227 >test.out 2>&1
+${JAVA} ${TESTVMOPTS} -Xverify -Xint -cp . bug_21227 >test.out 2>&1
 grep "loader constraint" test.out
 exit $?
 
--- a/test/runtime/6878713/Test6878713.sh	Thu May 24 16:15:37 2012 -0700
+++ b/test/runtime/6878713/Test6878713.sh	Fri May 25 14:45:35 2012 -0700
@@ -25,8 +25,6 @@
   exit 1
 fi
 
-BIT_FLAG=""
-
 # set platform-dependent variables
 OS=`uname -s`
 case "$OS" in
@@ -34,12 +32,6 @@
     NULL=/dev/null
     PS=":"
     FS="/"
-    ## for solaris, linux it's HOME
-    FILE_LOCATION=$HOME
-    if [ -f ${FILE_LOCATION}${FS}JDK64BIT -a ${OS} = "SunOS" ]
-    then
-        BIT_FLAG=`cat ${FILE_LOCATION}${FS}JDK64BIT | grep -v '^#'`
-    fi
     ;;
   Windows_* )
     NULL=NUL
@@ -57,11 +49,11 @@
 
 THIS_DIR=`pwd`
 
-${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} -version
+${TESTJAVA}${FS}bin${FS}java ${TESTVMOPTS} -version
 
 ${TESTJAVA}${FS}bin${FS}jar xvf ${TESTSRC}${FS}testcase.jar
 
-${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} OOMCrashClass1960_2 > test.out 2>&1
+${TESTJAVA}${FS}bin${FS}java ${TESTVMOPTS} OOMCrashClass1960_2 > test.out 2>&1
 
 if [ -s core -o -s "hs_*.log" ]
 then
--- a/test/runtime/6929067/Test6929067.sh	Thu May 24 16:15:37 2012 -0700
+++ b/test/runtime/6929067/Test6929067.sh	Fri May 25 14:45:35 2012 -0700
@@ -19,8 +19,6 @@
   echo "If this is incorrect, try setting the variable manually."
 fi
 
-BIT_FLAG=""
-
 # set platform-dependent variables
 OS=`uname -s`
 case "$OS" in
@@ -42,7 +40,19 @@
     ;;
 esac
 
-LD_LIBRARY_PATH=.:${TESTJAVA}/jre/lib/i386/client:/usr/openwin/lib:/usr/dt/lib:/usr/lib:$LD_LIBRARY_PATH
+# Choose arch: i386 or amd64 (test is Linux-specific)
+# Cannot simply look at TESTVMOPTS as -d64 is not
+# passed if there is only a 64-bit JVM available.
+
+${TESTJAVA}/bin/java ${TESTVMOPTS} -version 2>1 | grep "64-Bit" >/dev/null
+if [ "$?" = "0" ]
+then
+  ARCH=amd64
+else
+  ARCH=i386
+fi
+
+LD_LIBRARY_PATH=.:${TESTJAVA}/jre/lib/${ARCH}/client:/usr/openwin/lib:/usr/dt/lib:/usr/lib:$LD_LIBRARY_PATH
 export LD_LIBRARY_PATH
 
 THIS_DIR=`pwd`
@@ -51,10 +61,10 @@
 cp ${TESTSRC}${FS}T.java ${THIS_DIR}
 
 
-${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} -fullversion
+${TESTJAVA}${FS}bin${FS}java ${TESTVMOPTS} -fullversion
 
 ${TESTJAVA}${FS}bin${FS}javac T.java
 
-gcc -o invoke -I${TESTJAVA}/include -I${TESTJAVA}/include/linux invoke.c ${TESTJAVA}/jre/lib/i386/client/libjvm.so
+gcc -o invoke -I${TESTJAVA}/include -I${TESTJAVA}/include/linux invoke.c ${TESTJAVA}/jre/lib/${ARCH}/client/libjvm.so
 ./invoke
 exit $?
--- a/test/runtime/7020373/Test7020373.sh	Thu May 24 16:15:37 2012 -0700
+++ b/test/runtime/7020373/Test7020373.sh	Fri May 25 14:45:35 2012 -0700
@@ -27,8 +27,6 @@
   exit 1
 fi
 
-BIT_FLAG=""
-
 # set platform-dependent variables
 OS=`uname -s`
 case "$OS" in
@@ -36,12 +34,6 @@
     NULL=/dev/null
     PS=":"
     FS="/"
-    ## for solaris, linux it's HOME
-    FILE_LOCATION=$HOME
-    if [ -f ${FILE_LOCATION}${FS}JDK64BIT -a ${OS} = "SunOS" ]
-    then
-        BIT_FLAG=`cat ${FILE_LOCATION}${FS}JDK64BIT | grep -v '^#'`
-    fi
     ;;
   Windows_* )
     NULL=NUL
@@ -59,11 +51,11 @@
 
 THIS_DIR=`pwd`
 
-${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} -version
+${TESTJAVA}${FS}bin${FS}java ${TESTVMOPTS} -version
 
 ${TESTJAVA}${FS}bin${FS}jar xvf ${TESTSRC}${FS}testcase.jar
 
-${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} OOMCrashClass4000_1 > test.out 2>&1
+${TESTJAVA}${FS}bin${FS}java ${TESTVMOPTS} OOMCrashClass4000_1 > test.out 2>&1
 
 cat test.out
 
--- a/test/runtime/7051189/Xchecksig.sh	Thu May 24 16:15:37 2012 -0700
+++ b/test/runtime/7051189/Xchecksig.sh	Fri May 25 14:45:35 2012 -0700
@@ -1,5 +1,5 @@
 # 
-#  Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+#  Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
 #  DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 # 
 #  This code is free software; you can redistribute it and/or modify it
@@ -41,18 +41,10 @@
 fi
 
 
-BIT_FLAG=""
-
 OS=`uname -s`
 case "$OS" in
   SunOS | Linux )
     FS="/"
-    ## for solaris, linux it's HOME
-    FILE_LOCATION=$HOME
-    if [ -f ${FILE_LOCATION}${FS}JDK64BIT -a ${OS} = "SunOS" ]
-    then
-        BIT_FLAG=`cat ${FILE_LOCATION}${FS}JDK64BIT`
-    fi
     ;;
   Windows_* )
     printf "Not testing libjsig.so on Windows. PASSED.\n "
@@ -69,20 +61,16 @@
 
 # LD_PRELOAD arch needs to match the binary we run, so run the java
 # 64-bit binary directly if we are testing 64-bit (bin/ARCH/java).
-
-# However JPRT runs: .../solaris_x64_5.10-debug/bin/java
-# ..which is 32-bit, when it has built the 64-bit version to test.
-#
-# How does this script know we are meant to run the 64-bit version?
-# Can check for the path of the binary containing "x64" on Solaris.
+# Check if TESTVMOPS contains -d64, but cannot use 
+# java ${TESTVMOPS} to run "java -d64"  with LD_PRELOAD.
 
 if [ ${OS} -eq "SunOS" ]
 then
-  printf  "SunOS test JAVA=${JAVA}"
-  printf ${JAVA} | grep x64 > /dev/null
+  printf  "SunOS test TESTVMOPTS = ${TESTVMOPTS}"
+  printf ${TESTVMOPTS} | grep d64 > /dev/null
   if [ $? -eq 0 ]
   then
-    printf "SunOS x64 test, forcing -d64\n"
+    printf "SunOS 64-bit test\n"
     BIT_FLAG=-d64
   fi
 fi
@@ -127,20 +115,19 @@
   printf "Skipping test: libjsig missing for given architecture: ${LIBJSIG}\n"
   exit 0
 fi
-# Use java -version to test, java version info appeas on stderr,
+# Use java -version to test, java version info appears on stderr,
 # the libjsig message we are removing appears on stdout.
 
 # grep returns zero meaning found, non-zero means not found:
 
-LD_PRELOAD=${LIBJSIG} ${JAVA} ${BIT_FLAG} -Xcheck:jni -version 2>&1  | grep "libjsig is activated"
-
+LD_PRELOAD=${LIBJSIG} ${JAVA} ${TESTVMOPTS} -Xcheck:jni -version 2>&1  | grep "libjsig is activated"
 if [ $? -eq 0 ]; then
   printf "Failed: -Xcheck:jni prints message when libjsig.so is loaded.\n"
   exit 1
 fi
 
 
-LD_PRELOAD=${LIBJSIG} ${JAVA} ${BIT_FLAG} -Xcheck:jni -verbose:jni -version 2>&1 | grep "libjsig is activated"
+LD_PRELOAD=${LIBJSIG} ${JAVA} ${TESTVMOPTS} -Xcheck:jni -verbose:jni -version 2>&1 | grep "libjsig is activated"
 if [ $? != 0 ]; then
   printf "Failed: -Xcheck:jni does not print message when libjsig.so is loaded and -verbose:jni is set.\n"
   exit 1
--- a/test/runtime/7158988/TestFieldMonitor.sh	Thu May 24 16:15:37 2012 -0700
+++ b/test/runtime/7158988/TestFieldMonitor.sh	Fri May 25 14:45:35 2012 -0700
@@ -18,8 +18,6 @@
   exit 1
 fi
 
-BIT_FLAG=""
-
 # set platform-dependent variables
 OS=`uname -s`
 case "$OS" in
@@ -27,12 +25,6 @@
     NULL=/dev/null
     PS=":"
     FS="/"
-    ## for solaris, linux it's HOME
-    FILE_LOCATION=$HOME
-    if [ -f ${FILE_LOCATION}${FS}JDK64BIT -a ${OS} = "SunOS" -a `uname -p`='sparc' ]
-    then
-        BIT_FLAG="-d64"
-    fi
     ;;
   Windows_95 | Windows_98 | Windows_ME )
     NULL=NUL
@@ -56,11 +48,11 @@
 
 cp ${TESTSRC}${FS}*.java .
 
-${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} -fullversion
+${TESTJAVA}${FS}bin${FS}java ${TESTVMOPTS} -fullversion
 
 ${TESTJAVA}${FS}bin${FS}javac -classpath .${PS}$TESTJAVA${FS}lib${FS}tools.jar *.java
 
-${TESTJAVA}${FS}bin${FS}java ${BIT_FLAG} -classpath .${PS}$TESTJAVA${FS}lib${FS}tools.jar FieldMonitor > test.out 2>&1 &
+${TESTJAVA}${FS}bin${FS}java ${TESTVMOPTS} -classpath .${PS}$TESTJAVA${FS}lib${FS}tools.jar FieldMonitor > test.out 2>&1 &
 
 P_PID=$!