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VFP: Implement VMOV (all variants)

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This commit is contained in:
MerryMage
2016-08-07 19:25:12 +01:00
parent aba705f6b9
commit a2c2db277b
11 changed files with 301 additions and 27 deletions
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28
src/backend_x64/emit_x64.cpp
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@@ -1168,6 +1168,34 @@ static void FPTwoOp64(BlockOfCode* code, RegAlloc& reg_alloc, IR::Block& block,
}
}
void EmitX64::EmitTransferFromFP32(IR::Block& block, IR::Inst* inst) {
X64Reg result = reg_alloc.DefRegister(inst, any_gpr);
X64Reg source = reg_alloc.UseRegister(inst->GetArg(0), any_xmm);
// TODO: Eliminate this.
code->MOVD_xmm(R(result), source);
}
void EmitX64::EmitTransferFromFP64(IR::Block& block, IR::Inst* inst) {
X64Reg result = reg_alloc.DefRegister(inst, any_gpr);
X64Reg source = reg_alloc.UseRegister(inst->GetArg(0), any_xmm);
// TODO: Eliminate this.
code->MOVQ_xmm(R(result), source);
}
void EmitX64::EmitTransferToFP32(IR::Block& block, IR::Inst* inst) {
X64Reg result = reg_alloc.DefRegister(inst, any_xmm);
X64Reg source = reg_alloc.UseRegister(inst->GetArg(0), any_gpr);
// TODO: Eliminate this.
code->MOVD_xmm(result, R(source));
}
void EmitX64::EmitTransferToFP64(IR::Block& block, IR::Inst* inst) {
X64Reg result = reg_alloc.DefRegister(inst, any_xmm);
X64Reg source = reg_alloc.UseRegister(inst->GetArg(0), any_gpr);
// TODO: Eliminate this.
code->MOVQ_xmm(result, R(source));
}
void EmitX64::EmitFPAbs32(IR::Block&, IR::Inst* inst) {
IR::Value a = inst->GetArg(0);

6
src/backend_x64/reg_alloc.cpp
View File

@@ -243,10 +243,14 @@ Gen::X64Reg RegAlloc::UseScratchRegister(IR::Inst* use_inst, HostLocList desired
DEBUG_ASSERT(LocInfo(new_location).IsScratch());
return HostLocToX64(new_location);
} else if (HostLocIsRegister(current_location)) {
ASSERT(LocInfo(current_location).IsIdle());
ASSERT(LocInfo(current_location).IsIdle()
|| LocInfo(current_location).IsUse()
|| LocInfo(current_location).IsUseDef());
if (current_location != new_location) {
EmitMove(new_location, current_location);
} else {
ASSERT(LocInfo(current_location).IsIdle());
}
LocInfo(new_location).is_being_used = true;