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PERMUTE by V128 and fixing some ops.

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This commit is contained in:
Ben Vanik
2014-02-02 11:23:03 -08:00
parent 44c29a6691
commit 14d6855b6d
3 changed files with 93 additions and 28 deletions
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25
src/alloy/backend/x64/lowering/op_utils.inl
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@@ -52,9 +52,18 @@ Address Stash(X64Emitter& e, const Xmm& r) {
}
void LoadXmmConstant(X64Emitter& e, Xmm& dest, const vec128_t& v) {
e.mov(e.qword[e.rsp + STASH_OFFSET], v.low);
e.mov(e.qword[e.rsp + STASH_OFFSET + 8], v.high);
e.movaps(dest, e.ptr[e.rsp + STASH_OFFSET]);
if (!v.low && !v.high) {
// zero
e.vpxor(dest, dest);
//} else if (v.low == ~0ull && v.high == ~0ull) {
// one
// TODO(benvanik): XMMCONST?
} else {
// TODO(benvanik): more efficient loading of partial values?
e.mov(e.qword[e.rsp + STASH_OFFSET], v.low);
e.mov(e.qword[e.rsp + STASH_OFFSET + 8], v.high);
e.vmovaps(dest, e.ptr[e.rsp + STASH_OFFSET]);
}
}
// Moves a 64bit immediate into memory.
@@ -539,8 +548,14 @@ void IntBinaryOpCV(X64Emitter& e, Instr*& i, vv_fn vv_fn, vc_fn vc_fn,
vv_fn(e, *i, dest, Ntx);
}
} else {
e.mov(dest, src2);
vc_fn(e, *i, dest, (uint32_t)src1->get_constant(CT()));
if (i->opcode->flags & OPCODE_FLAG_COMMUNATIVE) {
e.mov(dest, src2);
vc_fn(e, *i, dest, (uint32_t)src1->get_constant(CT()));
} else {
// Need a cv_fn. Or a better way to do all of this.
e.mov(dest, (uint32_t)src1->get_constant(CT()));
vv_fn(e, *i, dest, src2);
}
}
} else {
// 64-bit.