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Fixing adde_constant.

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This commit is contained in:
Ben Vanik
2015-05-12 22:53:20 -07:00
parent dda6f3b6bd
commit 91c6ad8715
8 changed files with 193 additions and 78 deletions
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22
src/xenia/cpu/backend/x64/x64_sequences.cc
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@@ -2702,22 +2702,12 @@ void EmitAddCarryXX(X64Emitter& e, const ARGS& i) {
}
e.sahf();
}
if (i.src1.is_constant && i.src2.is_constant) {
auto ab = i.src1.constant() + i.src2.constant();
if (!ab) {
e.xor(i.dest, i.dest);
} else {
e.mov(i.dest, ab);
}
e.adc(i.dest, 0);
} else {
SEQ::EmitCommutativeBinaryOp(
e, i, [](X64Emitter& e, const REG& dest_src, const REG& src) {
e.adc(dest_src, src);
}, [](X64Emitter& e, const REG& dest_src, int32_t constant) {
e.adc(dest_src, constant);
});
}
SEQ::EmitCommutativeBinaryOp(
e, i, [](X64Emitter& e, const REG& dest_src, const REG& src) {
e.adc(dest_src, src);
}, [](X64Emitter& e, const REG& dest_src, int32_t constant) {
e.adc(dest_src, constant);
});
if (i.instr->flags & ARITHMETIC_SET_CARRY) {
// CF is set if carried.
e.StoreEflags();