changeset 33169:d9dc5d6fdb31

8139454: java/lang/Math/WorstCaseTests.java crashes on Linux-amd64 Summary: Emit the form of pextrw that works with sse2 Reviewed-by: iveresov, twisti Contributed-by: vivek.r.deshpande@intel.com
author iveresov
date Mon, 12 Oct 2015 16:35:40 -0700
parents 20f107826ae8
children 1021810aef42
files hotspot/src/cpu/x86/vm/assembler_x86.cpp
diffstat 1 files changed, 2 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/hotspot/src/cpu/x86/vm/assembler_x86.cpp	Mon Oct 12 14:54:39 2015 +0200
+++ b/hotspot/src/cpu/x86/vm/assembler_x86.cpp	Mon Oct 12 16:35:40 2015 -0700
@@ -3048,8 +3048,8 @@
 void Assembler::pextrw(Register dst, XMMRegister src, int imm8) {
   assert(VM_Version::supports_sse2(), "");
   int encode = simd_prefix_and_encode(as_XMMRegister(dst->encoding()), xnoreg, src, VEX_SIMD_66, /* no_mask_reg */ true,
-                                      VEX_OPCODE_0F_3A, /* rex_w */ false, AVX_128bit, /* legacy_mode */ _legacy_mode_bw);
-  emit_int8(0x15);
+                                      VEX_OPCODE_0F, /* rex_w */ false, AVX_128bit, /* legacy_mode */ _legacy_mode_bw);
+  emit_int8((unsigned char)0xC5);
   emit_int8((unsigned char)(0xC0 | encode));
   emit_int8(imm8);
 }