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Commit 555c4611 authored by joransiu's avatar joransiu Committed by Commit bot
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S390: Implement RotRight64 

Properly implement Rotate Right sequence for S390, to use the 64-bit
RLLG instruction.

R=jyan@ca.ibm.com,michael_dawson@ca.ibm.com,mbrandy@us.ibm.com
BUG=

Review URL: https://codereview.chromium.org/1842093003

Cr-Commit-Position: refs/heads/master@{#35142}
parent a3f941ae
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Showing with 3 additions and 4 deletions
src/compiler/s390/code-generator-s390.cc
View file @ 555c4611
...@@ -929,11 +929,10 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) { ...@@ -929,11 +929,10 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
case kS390_RotRight64: case kS390_RotRight64:
if (HasRegisterInput(instr, 1)) { if (HasRegisterInput(instr, 1)) {
__ LoadComplementRR(kScratchReg, i.InputRegister(1)); __ LoadComplementRR(kScratchReg, i.InputRegister(1));
__ rll(i.OutputRegister(), i.InputRegister(0), kScratchReg, __ rllg(i.OutputRegister(), i.InputRegister(0), kScratchReg);
Operand(32));
__ lgfr(i.OutputRegister(), i.OutputRegister());
} else { } else {
UNIMPLEMENTED(); // Not implemented for now __ rllg(i.OutputRegister(), i.InputRegister(0),
Operand(64 - i.InputInt32(1)));
} }
break; break;
#endif #endif
......
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