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IR: Remove unused microinstructions NegateLowWord and NegateHighWord

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This commit is contained in:
MerryMage 2017-01-05 20:16:39 +00:00
parent 70f4235ee9
commit 1efd3a764d
4 changed files with 0 additions and 32 deletions
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20
src/backend_x64/emit_x64.cpp
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@ -1275,26 +1275,6 @@ void EmitX64::EmitCountLeadingZeros(IR::Block&, IR::Inst* inst) {
}
}
void EmitX64::EmitNegateLowWord(IR::Block&, IR::Inst* inst) {
IR::Value a = inst->GetArg(0);
Xbyak::Reg32 result = reg_alloc.UseDefGpr(a, inst).cvt32();
code->ror(result, 16);
code->xor(result, 0xFFFF0000);
code->add(result, 0x00010000);
code->ror(result, 16);
}
void EmitX64::EmitNegateHighWord(IR::Block&, IR::Inst* inst) {
IR::Value a = inst->GetArg(0);
Xbyak::Reg32 result = reg_alloc.UseDefGpr(a, inst).cvt32();
code->xor(result, 0xFFFF0000);
code->add(result, 0x00010000);
}
void EmitX64::EmitSignedSaturatedAdd(IR::Block& block, IR::Inst* inst) {
auto overflow_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetOverflowFromOp);