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ppc64: fix clobbering issue on input register

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R=joransiu@ca.ibm.com

Change-Id: Id53be07f0f980dc03b1106c09b6fddbf94d31088
Reviewed-on: https://chromium-review.googlesource.com/c/1262937
Reviewed-by: Joran Siu <joransiu@ca.ibm.com>
Commit-Queue: Junliang Yan <jyan@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#56392}
This commit is contained in:
Junliang Yan 2018-10-04 21:18:10 -04:00 committed by Commit Bot
parent a4008bf009
commit 8f65ce3bfb
1 changed files with 9 additions and 9 deletions
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18
src/compiler/ppc/code-generator-ppc.cc
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@ -664,15 +664,15 @@ void EmitWordLoadPoisoningIfNeeded(CodeGenerator* codegen, Instruction* instr,
__ bne(&exchange, cr0); \
} while (0)
#define ASSEMBLE_ATOMIC_BINOP(bin_inst, load_inst, store_inst) \
do { \
MemOperand operand = MemOperand(i.InputRegister(0), i.InputRegister(1)); \
Label binop; \
__ bind(&binop); \
__ load_inst(i.OutputRegister(), operand); \
__ bin_inst(i.InputRegister(2), i.OutputRegister(), i.InputRegister(2)); \
__ store_inst(i.InputRegister(2), operand); \
__ bne(&binop, cr0); \
#define ASSEMBLE_ATOMIC_BINOP(bin_inst, load_inst, store_inst) \
do { \
MemOperand operand = MemOperand(i.InputRegister(0), i.InputRegister(1)); \
Label binop; \
__ bind(&binop); \
__ load_inst(i.OutputRegister(), operand); \
__ bin_inst(kScratchReg, i.OutputRegister(), i.InputRegister(2)); \
__ store_inst(kScratchReg, operand); \
__ bne(&binop, cr0); \
} while (false)
#define ASSEMBLE_ATOMIC_BINOP_SIGN_EXT(bin_inst, load_inst, \