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

PPC64: Implemented the Word64Clz TurboFan operator.

Browse Source 
R=joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com, dstence@us.ibm.com
BUG=

Review URL: https://codereview.chromium.org/1433733002

Cr-Commit-Position: refs/heads/master@{#31903}
This commit is contained in:
mbrandy 2015-11-09 12:56:32 -08:00 committed by Commit bot
parent 96baec278c
commit dba4dfb2b0
3 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/compiler/ppc/code-generator-ppc.cc
View File

@ -944,6 +944,12 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
__ cntlzw_(i.OutputRegister(), i.InputRegister(0));
DCHECK_EQ(LeaveRC, i.OutputRCBit());
break;
#if V8_TARGET_ARCH_PPC64
case kPPC_Cntlz64:
__ cntlzd_(i.OutputRegister(), i.InputRegister(0));
DCHECK_EQ(LeaveRC, i.OutputRCBit());
break;
#endif
case kPPC_Popcnt32:
__ popcntw(i.OutputRegister(), i.InputRegister(0));
DCHECK_EQ(LeaveRC, i.OutputRCBit());

1
src/compiler/ppc/instruction-codes-ppc.h
View File

@ -62,6 +62,7 @@ namespace compiler {
V(PPC_MinDouble) \
V(PPC_AbsDouble) \
V(PPC_Cntlz32) \
V(PPC_Cntlz64) \
V(PPC_Popcnt32) \
V(PPC_Cmp32) \
V(PPC_Cmp64) \

8
src/compiler/ppc/instruction-selector-ppc.cc
View File

@ -737,6 +737,14 @@ void InstructionSelector::VisitWord32Clz(Node* node) {
}
#if V8_TARGET_ARCH_PPC64
void InstructionSelector::VisitWord64Clz(Node* node) {
PPCOperandGenerator g(this);
Emit(kPPC_Cntlz64, g.DefineAsRegister(node), g.UseRegister(node->InputAt(0)));
}
#endif
void InstructionSelector::VisitWord32Popcnt(Node* node) {
PPCOperandGenerator g(this);
Emit(kPPC_Popcnt32, g.DefineAsRegister(node),