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Cleaning up some constant handling.

This commit is contained in:
Ben Vanik 2014-01-27 22:47:37 -08:00
parent d67f786af8
commit 5b2e44b0e8
2 changed files with 16 additions and 11 deletions
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2
src/alloy/backend/x64/lowering/lowering_sequences.cc
View File

@ -1464,8 +1464,6 @@ table->AddSequence(OPCODE_SUB, [](X64Emitter& e, Instr*& i) {
return true;
});
#define LIKE_REG(dest, like) Operand(dest.getIdx(), dest.getKind(), like.getBit(), false)
table->AddSequence(OPCODE_MUL, [](X64Emitter& e, Instr*& i) {
if (IsIntType(i->dest->type)) {
IntBinaryOp(e, i, [](X64Emitter& e, Instr& i, const Reg& dest_src, const Operand& src) {

25
src/alloy/backend/x64/lowering/op_utils.inl
View File

@ -14,6 +14,9 @@
namespace {
#define LIKE_REG(dest, like) Reg(dest.getIdx(), dest.getKind(), like.getBit(), false)
#define NAX_LIKE(like) Reg(e.rax.getIdx(), e.rax.getKind(), like.getBit(), false)
// Moves a 64bit immediate into memory.
void MovMem64(X64Emitter& e, RegExp& addr, uint64_t v) {
if ((v & ~0x7FFFFFFF) == 0) {
@ -375,9 +378,10 @@ void IntBinaryOpVV(X64Emitter& e, Instr*& i, vv_fn vv_fn,
vv_fn(e, *i, dest, src1);
} else {
// Eww.
e.mov(e.rax, src1);
vv_fn(e, *i, e.rax, src2);
e.mov(dest, e.rax);
auto Nax = NAX_LIKE(src1);
e.mov(Nax, src1);
vv_fn(e, *i, Nax, src2);
e.mov(dest, Nax);
}
} else {
e.mov(dest, src1);
@ -423,9 +427,10 @@ void IntBinaryOpCV(X64Emitter& e, Instr*& i, vv_fn vv_fn, vc_fn vc_fn,
vc_fn(e, *i, dest, (uint32_t)src1->get_constant(CT()));
} else {
// Eww.
e.mov(e.rax, src2);
auto Nax = NAX_LIKE(src2);
e.mov(Nax, src2);
e.mov(dest, (uint32_t)src1->get_constant(CT()));
vv_fn(e, *i, dest, e.rax);
vv_fn(e, *i, dest, Nax);
}
} else {
e.mov(dest, src2);
@ -574,9 +579,10 @@ void IntTernaryOpVVC(X64Emitter& e, Instr*& i, vvv_fn vvv_fn, vvc_fn vvc_fn,
vvc_fn(e, *i, dest, src1, (uint32_t)src3->get_constant(CT()));
} else {
// Eww.
e.mov(e.rax, src2);
auto Nax = NAX_LIKE(src2);
e.mov(Nax, src2);
e.mov(dest, src1);
vvc_fn(e, *i, dest, e.rax, (uint32_t)src3->get_constant(CT()));
vvc_fn(e, *i, dest, Nax, (uint32_t)src3->get_constant(CT()));
}
} else {
e.mov(dest, src1);
@ -622,9 +628,10 @@ void IntTernaryOpVCV(X64Emitter& e, Instr*& i, vvv_fn vvv_fn, vcv_fn vcv_fn,
vcv_fn(e, *i, dest, (uint32_t)src2->get_constant(CT()), src1);
} else {
// Eww.
e.mov(e.rax, src3);
auto Nax = NAX_LIKE(src3);
e.mov(Nax, src3);
e.mov(dest, src1);
vcv_fn(e, *i, dest, (uint32_t)src2->get_constant(CT()), e.rax);
vcv_fn(e, *i, dest, (uint32_t)src2->get_constant(CT()), Nax);
}
} else {
e.mov(dest, src1);