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Fixed Abs codegen bug with spilled vregs

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This commit is contained in:
Brian Fiete 2020-10-12 11:11:18 -07:00
parent d24f169181
commit 71eca79ef1
1 changed files with 25 additions and 4 deletions
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27
IDEHelper/Backend/BeMCContext.cpp
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@ -3744,7 +3744,7 @@ BeMCOperand BeMCContext::AllocVirtualReg(BeType* type, int refCount, bool mustBe
if (mDebugging) if (mDebugging)
{ {
if (mcOperand.mVRegIdx == 9) if (mcOperand.mVRegIdx == 16)
{ {
NOP; NOP;
} }
@ -9018,6 +9018,27 @@ bool BeMCContext::DoLegalization()
// mov scratch, b // mov scratch, b
// <op> a, scratch // <op> a, scratch
auto targetType = GetType(inst->mArg0); auto targetType = GetType(inst->mArg0);
if ((targetType->IsFloat()) && (arg0.IsVReg()) && (arg1.IsImmediateFloat()))
{
auto vregInfo0 = GetVRegInfo(arg0);
if (!vregInfo0->mIsExpr)
{
// Convert from "<op> %reg0, %reg1"
// To
// Mov %vreg2<reg>, %vreg0
// <op> %vreg2<reg>, %vreg1
// Mov %vreg0, %vreg2<reg>
auto prevDest = inst->mArg0;
ReplaceWithNewVReg(inst->mArg0, instIdx, true);
AllocInst(BeMCInstKind_Mov, prevDest, inst->mArg0, instIdx + 1);
IntroduceVRegs(inst->mArg0, mcBlock, instIdx, instIdx + 2);
instIdx++;
isFinalRun = false;
continue;
}
}
if (!targetType->IsNonVectorComposite()) if (!targetType->IsNonVectorComposite())
{ {
auto scratchType = GetType(inst->mArg1); auto scratchType = GetType(inst->mArg1);
@ -15708,8 +15729,8 @@ void BeMCContext::Generate(BeFunction* function)
mDbgPreferredRegs[32] = X64Reg_R8;*/ mDbgPreferredRegs[32] = X64Reg_R8;*/
//mDbgPreferredRegs[8] = X64Reg_RAX; //mDbgPreferredRegs[8] = X64Reg_RAX;
//mDebugging = (function->mName == "?Main@TestProgram@BeefTest@bf@@SAXXZ"); //mDebugging = (function->mName == "?MouseMove@PerfView@BeefPerf@bf@@UEAAXMM@Z");
// || (function->mName == "?__BfStaticCtor@roboto_font@Drawing@ClassicUO_assistant@bf@@SAXXZ") // || (function->mName == "?MethodA@TestProgram@BeefTest@bf@@CAXXZ");
// || (function->mName == "?Hey@Blurg@bf@@SAXXZ") // || (function->mName == "?Hey@Blurg@bf@@SAXXZ")
// ; // ;
//"?ColorizeCodeString@IDEUtils@IDE@bf@@SAXPEAVString@System@3@W4CodeKind@123@@Z"; //"?ColorizeCodeString@IDEUtils@IDE@bf@@SAXPEAVString@System@3@W4CodeKind@123@@Z";