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backend\A64\emit_a64_data_processing.cpp: Implement Sext an Zext ops

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This commit is contained in:
SachinVin 2019-07-16 17:48:18 +05:30
parent e3054389a6
commit 6835cf34a1
2 changed files with 90 additions and 10 deletions
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80
src/backend/A64/emit_a64_data_processing.cpp
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@ -1037,4 +1037,84 @@ void EmitA64::EmitNot32(EmitContext& ctx, IR::Inst* inst) {
// }
// ctx.reg_alloc.DefineValue(inst, result);
//}
void EmitA64::EmitSignExtendByteToWord(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
Arm64Gen::ARM64Reg result = DecodeReg(ctx.reg_alloc.UseScratchGpr(args[0]));
code.SXTB(result, result);
ctx.reg_alloc.DefineValue(inst, result);
}
void EmitA64::EmitSignExtendHalfToWord(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
Arm64Gen::ARM64Reg result = DecodeReg(ctx.reg_alloc.UseScratchGpr(args[0]));
code.SXTH(result, result);
ctx.reg_alloc.DefineValue(inst, result);
}
void EmitA64::EmitSignExtendByteToLong(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ARM64Reg result = ctx.reg_alloc.UseScratchGpr(args[0]);
code.SXTB(result, result);
ctx.reg_alloc.DefineValue(inst, result);
}
void EmitA64::EmitSignExtendHalfToLong(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ARM64Reg result = ctx.reg_alloc.UseScratchGpr(args[0]);
code.SXTH(result, result);
ctx.reg_alloc.DefineValue(inst, result);
}
void EmitA64::EmitSignExtendWordToLong(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ARM64Reg result = ctx.reg_alloc.UseScratchGpr(args[0]);
code.SXTW(result, result);
ctx.reg_alloc.DefineValue(inst, result);
}
void EmitA64::EmitZeroExtendByteToWord(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
Arm64Gen::ARM64Reg result = DecodeReg(ctx.reg_alloc.UseScratchGpr(args[0]));
code.UXTB(result, result);
ctx.reg_alloc.DefineValue(inst, result);
}
void EmitA64::EmitZeroExtendHalfToWord(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
Arm64Gen::ARM64Reg result = DecodeReg(ctx.reg_alloc.UseScratchGpr(args[0]));
code.UXTH(result, result);
ctx.reg_alloc.DefineValue(inst, result);
}
void EmitA64::EmitZeroExtendByteToLong(EmitContext& ctx, IR::Inst* inst) {
// x64 zeros upper 32 bits on a 32-bit move
EmitZeroExtendByteToWord(ctx, inst);
}
void EmitA64::EmitZeroExtendHalfToLong(EmitContext& ctx, IR::Inst* inst) {
// x64 zeros upper 32 bits on a 32-bit move
EmitZeroExtendHalfToWord(ctx, inst);
}
void EmitA64::EmitZeroExtendWordToLong(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ARM64Reg result = ctx.reg_alloc.UseScratchGpr(args[0]);
code.MOV(result, DecodeReg(result));
ctx.reg_alloc.DefineValue(inst, result);
}
//void EmitA64::EmitZeroExtendLongToQuad(EmitContext& ctx, IR::Inst* inst) {
// auto args = ctx.reg_alloc.GetArgumentInfo(inst);
// if (args[0].IsInGpr()) {
// Xbyak::Reg64 source = ctx.reg_alloc.UseGpr(args[0]);
// Xbyak::Xmm result = ctx.reg_alloc.ScratchXmm();
// code.movq(result, source);
// ctx.reg_alloc.DefineValue(inst, result);
// } else {
// Xbyak::Xmm result = ctx.reg_alloc.UseScratchXmm(args[0]);
// code.movq(result, result);
// ctx.reg_alloc.DefineValue(inst, result);
// }
//}
} // namespace Dynarmic::BackendA64

20
src/backend/A64/opcodes.inc
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@ -129,16 +129,16 @@ OPCODE(Or32, U32, U32,
//OPCODE(Or64, U64, U64, U64 )
OPCODE(Not32, U32, U32 )
//OPCODE(Not64, U64, U64 )
//OPCODE(SignExtendByteToWord, U32, U8 )
//OPCODE(SignExtendHalfToWord, U32, U16 )
//OPCODE(SignExtendByteToLong, U64, U8 )
//OPCODE(SignExtendHalfToLong, U64, U16 )
//OPCODE(SignExtendWordToLong, U64, U32 )
//OPCODE(ZeroExtendByteToWord, U32, U8 )
//OPCODE(ZeroExtendHalfToWord, U32, U16 )
//OPCODE(ZeroExtendByteToLong, U64, U8 )
//OPCODE(ZeroExtendHalfToLong, U64, U16 )
//OPCODE(ZeroExtendWordToLong, U64, U32 )
OPCODE(SignExtendByteToWord, U32, U8 )
OPCODE(SignExtendHalfToWord, U32, U16 )
OPCODE(SignExtendByteToLong, U64, U8 )
OPCODE(SignExtendHalfToLong, U64, U16 )
OPCODE(SignExtendWordToLong, U64, U32 )
OPCODE(ZeroExtendByteToWord, U32, U8 )
OPCODE(ZeroExtendHalfToWord, U32, U16 )
OPCODE(ZeroExtendByteToLong, U64, U8 )
OPCODE(ZeroExtendHalfToLong, U64, U16 )
OPCODE(ZeroExtendWordToLong, U64, U32 )
//OPCODE(ZeroExtendLongToQuad, U128, U64 )
//OPCODE(ByteReverseWord, U32, U32 )
//OPCODE(ByteReverseHalf, U16, U16 )