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[a64] Fix immediates being too large 

These instructions need to use an extra register to generate their constants if they are too large
This commit is contained in:
Wunkolo 2024-05-07 06:49:25 -07:00
parent 540344fd27
commit ba924feea5
1 changed files with 12 additions and 10 deletions
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22
src/xenia/cpu/backend/a64/a64_sequences.cc
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@ -894,7 +894,8 @@ struct COMPARE_EQ_I32
EmitCommutativeCompareOp(
e, i, [](A64Emitter& e, WReg src1, WReg src2) { e.CMP(src1, src2); },
[](A64Emitter& e, WReg src1, int32_t constant) {
e.CMP(src1, constant);
e.MOV(W1, constant);
e.CMP(src1, W1);
});
e.CSET(i.dest, Cond::EQ);
}
@ -905,7 +906,8 @@ struct COMPARE_EQ_I64
EmitCommutativeCompareOp(
e, i, [](A64Emitter& e, XReg src1, XReg src2) { e.CMP(src1, src2); },
[](A64Emitter& e, XReg src1, int32_t constant) {
e.CMP(src1, constant);
e.MOV(X1, constant);
e.CMP(src1, X1);
});
e.CSET(i.dest, Cond::EQ);
}
@ -1023,7 +1025,8 @@ EMITTER_OPCODE_TABLE(OPCODE_COMPARE_NE, COMPARE_NE_I8, COMPARE_NE_I16,
}, \
[](A64Emitter& e, WReg dest, const reg_type& src1, int32_t constant, \
bool inverse) { \
e.CMP(src1, constant); \
e.MOV(reg_type(1), constant); \
e.CMP(src1, reg_type(1)); \
if (!inverse) { \
e.CSET(dest, cond); \
} else { \
@ -1113,7 +1116,8 @@ void EmitAddXX(A64Emitter& e, const ARGS& i) {
},
[](A64Emitter& e, REG dest_src, int32_t constant) {
// e.add(dest_src, constant);
e.ADD(dest_src, dest_src, constant);
e.MOV(REG(1), constant);
e.ADD(dest_src, dest_src, REG(1));
});
}
struct ADD_I8 : Sequence<ADD_I8, I<OPCODE_ADD, I8Op, I8Op, I8Op>> {
@ -2644,17 +2648,15 @@ struct BYTE_SWAP_I16
struct BYTE_SWAP_I32
: Sequence<BYTE_SWAP_I32, I<OPCODE_BYTE_SWAP, I32Op, I32Op>> {
static void Emit(A64Emitter& e, const EmitArgType& i) {
EmitUnaryOp(e, i, [](A64Emitter& e, WReg dest_src) {
e.REV(dest_src, dest_src);
});
EmitUnaryOp(
e, i, [](A64Emitter& e, WReg dest_src) { e.REV(dest_src, dest_src); });
}
};
struct BYTE_SWAP_I64
: Sequence<BYTE_SWAP_I64, I<OPCODE_BYTE_SWAP, I64Op, I64Op>> {
static void Emit(A64Emitter& e, const EmitArgType& i) {
EmitUnaryOp(e, i, [](A64Emitter& e, XReg dest_src) {
e.REV(dest_src, dest_src);
});
EmitUnaryOp(
e, i, [](A64Emitter& e, XReg dest_src) { e.REV(dest_src, dest_src); });
}
};
struct BYTE_SWAP_V128