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

PPC: Use optimal seq for atomic load/store

Browse Source 
R=joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=
LOG=N

Review-Url: https://codereview.chromium.org/2590543003
Cr-Commit-Position: refs/heads/master@{#41823}
This commit is contained in:
bjaideep 2016-12-19 12:20:04 -08:00 committed by Commit bot
parent 5cbc4a9674
commit 35bf403f0d
1 changed files with 26 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

55
src/compiler/ppc/code-generator-ppc.cc
View File

@ -764,36 +764,33 @@ Condition FlagsConditionToCondition(FlagsCondition condition, ArchOpcode op) {
DCHECK_EQ(LeaveRC, i.OutputRCBit()); \
} while (0)
#define ASSEMBLE_ATOMIC_LOAD_INTEGER(asm_instr, asm_instrx) \
do { \
Label done; \
Register result = i.OutputRegister(); \
AddressingMode mode = kMode_None; \
MemOperand operand = i.MemoryOperand(&mode); \
__ sync(); \
if (mode == kMode_MRI) { \
__ asm_instr(result, operand); \
} else { \
__ asm_instrx(result, operand); \
} \
__ bind(&done); \
__ cmp(result, result); \
__ bne(&done); \
__ isync(); \
#define ASSEMBLE_ATOMIC_LOAD_INTEGER(asm_instr, asm_instrx) \
do { \
Label done; \
Register result = i.OutputRegister(); \
AddressingMode mode = kMode_None; \
MemOperand operand = i.MemoryOperand(&mode); \
if (mode == kMode_MRI) { \
__ asm_instr(result, operand); \
} else { \
__ asm_instrx(result, operand); \
} \
__ lwsync(); \
} while (0)
#define ASSEMBLE_ATOMIC_STORE_INTEGER(asm_instr, asm_instrx) \
do { \
size_t index = 0; \
AddressingMode mode = kMode_None; \
MemOperand operand = i.MemoryOperand(&mode, &index); \
Register value = i.InputRegister(index); \
__ sync(); \
if (mode == kMode_MRI) { \
__ asm_instr(value, operand); \
} else { \
__ asm_instrx(value, operand); \
} \
DCHECK_EQ(LeaveRC, i.OutputRCBit()); \
#define ASSEMBLE_ATOMIC_STORE_INTEGER(asm_instr, asm_instrx) \
do { \
size_t index = 0; \
AddressingMode mode = kMode_None; \
MemOperand operand = i.MemoryOperand(&mode, &index); \
Register value = i.InputRegister(index); \
__ lwsync(); \
if (mode == kMode_MRI) { \
__ asm_instr(value, operand); \
} else { \
__ asm_instrx(value, operand); \
} \
__ sync(); \
DCHECK_EQ(LeaveRC, i.OutputRCBit()); \
} while (0)
void CodeGenerator::AssembleDeconstructFrame() {