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Implement thumb16_{SXTH,SXTB,UXTH,UXTB,REV,REV16,REVSH}

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MerryMage
2016-07-16 19:23:42 +01:00
parent 866dce0f23
commit 3720da4e19
8 changed files with 194 additions and 8 deletions
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53
src/backend_x64/emit_x64.cpp
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@@ -602,6 +602,59 @@ void EmitX64::EmitNot(IR::Value* value_) {
code->NOT(32, R(result));
}
void EmitX64::EmitSignExtendHalfToWord(IR::Value* value_) {
auto value = reinterpret_cast<IR::Inst*>(value_);
// TODO: Remove unnecessary mov that may occur here
X64Reg result = reg_alloc.UseDefRegister(value->GetArg(0).get(), value);
code->MOVSX(32, 16, result, R(result));
}
void EmitX64::EmitSignExtendByteToWord(IR::Value* value_) {
auto value = reinterpret_cast<IR::Inst*>(value_);
// TODO: Remove unnecessary mov that may occur here
X64Reg result = reg_alloc.UseDefRegister(value->GetArg(0).get(), value);
code->MOVSX(32, 8, result, R(result));
}
void EmitX64::EmitZeroExtendHalfToWord(IR::Value* value_) {
auto value = reinterpret_cast<IR::Inst*>(value_);
// TODO: Remove unnecessary mov that may occur here
X64Reg result = reg_alloc.UseDefRegister(value->GetArg(0).get(), value);
code->MOVZX(32, 16, result, R(result));
}
void EmitX64::EmitZeroExtendByteToWord(IR::Value* value_) {
auto value = reinterpret_cast<IR::Inst*>(value_);
// TODO: Remove unnecessary mov that may occur here
X64Reg result = reg_alloc.UseDefRegister(value->GetArg(0).get(), value);
code->MOVZX(32, 8, result, R(result));
}
void EmitX64::EmitByteReverseWord(IR::Value* value_) {
auto value = reinterpret_cast<IR::Inst*>(value_);
X64Reg result = reg_alloc.UseDefRegister(value->GetArg(0).get(), value);
code->BSWAP(32, result);
}
void EmitX64::EmitByteReverseHalf(IR::Value* value_) {
auto value = reinterpret_cast<IR::Inst*>(value_);
X64Reg result = reg_alloc.UseDefRegister(value->GetArg(0).get(), value);
code->ROL(16, R(result), Imm8(8));
}
void EmitX64::EmitReadMemory8(IR::Value* value_) {
auto value = reinterpret_cast<IR::Inst*>(value_);

6
src/backend_x64/emit_x64.h
View File

@@ -66,6 +66,12 @@ private:
void EmitEor(IR::Value* value);
void EmitOr(IR::Value* value);
void EmitNot(IR::Value* value);
void EmitSignExtendHalfToWord(IR::Value* value);
void EmitSignExtendByteToWord(IR::Value* value);
void EmitZeroExtendHalfToWord(IR::Value* value);
void EmitZeroExtendByteToWord(IR::Value* value);
void EmitByteReverseWord(IR::Value* value);
void EmitByteReverseHalf(IR::Value* value);
void EmitReadMemory8(IR::Value* value);
void EmitReadMemory16(IR::Value* value);
void EmitReadMemory32(IR::Value* value);