OpenJDK / portola / portola
changeset 49953:8e1ed2a15845
8202425: [s390] C2: Wrong unsigned comparison with 0
Summary: Remove wrong node compU_reg_imm0. Other node is already available.
Reviewed-by: shade, lucy
| author | mdoerr |
|---|---|
| date | Wed, 02 May 2018 10:47:16 +0200 |
| parents | f4310c01104d |
| children | 4690a2871b44 |
| files | src/hotspot/cpu/s390/s390.ad |
| diffstat | 1 files changed, 0 insertions(+), 10 deletions(-) [+] |
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--- a/src/hotspot/cpu/s390/s390.ad Tue May 01 17:28:03 2018 -0700 +++ b/src/hotspot/cpu/s390/s390.ad Wed May 02 10:47:16 2018 +0200 @@ -8401,16 +8401,6 @@ ins_pipe(pipe_class_dummy); %} -instruct compU_reg_imm0(flagsReg cr, iRegI op1, immI_0 zero) %{ - match(Set cr (CmpU op1 zero)); - ins_cost(DEFAULT_COST_LOW); - size(2); - format %{ "LTR $op1,$op1\t # unsigned" %} - opcode(LTR_ZOPC); - ins_encode(z_rrform(op1, op1)); - ins_pipe(pipe_class_dummy); -%} - instruct compU_reg_mem(flagsReg cr, iRegI op1, memory op2)%{ match(Set cr (CmpU op1 (LoadI op2))); ins_cost(MEMORY_REF_COST);