AuroraMiddleware/v8
1
0
Fork 0
Code Issues 2 Pull Requests Releases Wiki Activity

PPC: fix input reg clobbering on atomic64

Browse Source 
R=joransiu@ca.ibm.com

Change-Id: Ic9a6a9055e3f05ef64723d995228673ee48eb994
Reviewed-on: https://chromium-review.googlesource.com/c/1296682
Reviewed-by: Joran Siu <joransiu@ca.ibm.com>
Commit-Queue: Junliang Yan <jyan@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#56968}
This commit is contained in:
Junliang Yan 2018-10-24 16:41:35 -04:00 committed by Commit Bot
parent f16c5f8dd1
commit 9352171ec9
1 changed files with 37 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

74
src/compiler/ppc/code-generator-ppc.cc
View File

@ -652,47 +652,47 @@ void EmitWordLoadPoisoningIfNeeded(CodeGenerator* codegen, Instruction* instr,
__ bne(&binop, cr0); \
} while (false)
#define ASSEMBLE_ATOMIC_BINOP_SIGN_EXT(bin_inst, load_inst, \
store_inst, ext_instr) \
do { \
MemOperand operand = MemOperand(i.InputRegister(0), i.InputRegister(1)); \
Label binop; \
__ bind(&binop); \
__ load_inst(i.OutputRegister(), operand); \
__ ext_instr(i.OutputRegister(), i.OutputRegister()); \
__ bin_inst(i.InputRegister(2), i.OutputRegister(), i.InputRegister(2)); \
__ store_inst(i.InputRegister(2), operand); \
__ bne(&binop, cr0); \
#define ASSEMBLE_ATOMIC_BINOP_SIGN_EXT(bin_inst, load_inst, store_inst, \
ext_instr) \
do { \
MemOperand operand = MemOperand(i.InputRegister(0), i.InputRegister(1)); \
Label binop; \
__ bind(&binop); \
__ load_inst(i.OutputRegister(), operand); \
__ ext_instr(i.OutputRegister(), i.OutputRegister()); \
__ bin_inst(kScratchReg, i.OutputRegister(), i.InputRegister(2)); \
__ store_inst(kScratchReg, operand); \
__ bne(&binop, cr0); \
} while (false)
#define ASSEMBLE_ATOMIC_COMPARE_EXCHANGE(cmp_inst, load_inst, store_inst) \
do { \
MemOperand operand = MemOperand(i.InputRegister(0), i.InputRegister(1)); \
Label loop; \
Label exit; \
__ bind(&loop); \
__ load_inst(i.OutputRegister(), operand); \
__ cmp_inst(i.OutputRegister(), i.InputRegister(2), cr0); \
__ bne(&exit, cr0); \
__ store_inst(i.InputRegister(3), operand); \
__ bne(&loop, cr0); \
__ bind(&exit); \
#define ASSEMBLE_ATOMIC_COMPARE_EXCHANGE(cmp_inst, load_inst, store_inst) \
do { \
MemOperand operand = MemOperand(i.InputRegister(0), i.InputRegister(1)); \
Label loop; \
Label exit; \
__ bind(&loop); \
__ load_inst(i.OutputRegister(), operand); \
__ cmp_inst(i.OutputRegister(), i.InputRegister(2), cr0); \
__ bne(&exit, cr0); \
__ store_inst(i.InputRegister(3), operand); \
__ bne(&loop, cr0); \
__ bind(&exit); \
} while (false)
#define ASSEMBLE_ATOMIC_COMPARE_EXCHANGE_SIGN_EXT(cmp_inst, load_inst, \
store_inst, ext_instr) \
do { \
MemOperand operand = MemOperand(i.InputRegister(0), i.InputRegister(1)); \
Label loop; \
Label exit; \
__ bind(&loop); \
__ load_inst(i.OutputRegister(), operand); \
__ ext_instr(i.OutputRegister(), i.OutputRegister()); \
__ cmp_inst(i.OutputRegister(), i.InputRegister(2)); \
__ bne(&exit, cr0); \
__ store_inst(i.InputRegister(3), operand); \
__ bne(&loop, cr0); \
__ bind(&exit); \
#define ASSEMBLE_ATOMIC_COMPARE_EXCHANGE_SIGN_EXT(cmp_inst, load_inst, \
store_inst, ext_instr) \
do { \
MemOperand operand = MemOperand(i.InputRegister(0), i.InputRegister(1)); \
Label loop; \
Label exit; \
__ bind(&loop); \
__ load_inst(i.OutputRegister(), operand); \
__ ext_instr(i.OutputRegister(), i.OutputRegister()); \
__ cmp_inst(i.OutputRegister(), i.InputRegister(2)); \
__ bne(&exit, cr0); \
__ store_inst(i.InputRegister(3), operand); \
__ bne(&loop, cr0); \
__ bind(&exit); \
} while (false)
void CodeGenerator::AssembleDeconstructFrame() {