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Implemented UMULH and SMULH instructions

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FernandoS27 2018-01-27 12:32:07 -04:00 • committed by MerryMage
parent 1a7b7b541a
commit 586854117b
6 changed files with 56 additions and 2 deletions
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22
src/backend_x64/emit_x64_data_processing.cpp
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@ -901,6 +901,28 @@ void EmitX64::EmitMul64(EmitContext& ctx, IR::Inst* inst) {
ctx.reg_alloc.DefineValue(inst, result);
}
void EmitX64::EmitUnsignedMultiplyHigh64(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ctx.reg_alloc.ScratchGpr({HostLoc::RDX});
ctx.reg_alloc.UseScratch(args[0], HostLoc::RAX);
OpArg op_arg = ctx.reg_alloc.UseOpArg(args[1]);
code.mul(*op_arg);
ctx.reg_alloc.DefineValue(inst, rdx);
}
void EmitX64::EmitSignedMultiplyHigh64(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ctx.reg_alloc.ScratchGpr({HostLoc::RDX});
ctx.reg_alloc.UseScratch(args[0], HostLoc::RAX);
OpArg op_arg = ctx.reg_alloc.UseOpArg(args[1]);
code.imul(*op_arg);
ctx.reg_alloc.DefineValue(inst, rdx);
}
void EmitX64::EmitUnsignedDiv32(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);