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EmitZeroExtendLongToQuad: Do not rely on register allocator to zero extend 64->128

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This commit is contained in:
MerryMage 2018-01-27 01:59:14 +00:00
parent f4f774f9f6
commit b2d99eddc6
2 changed files with 10 additions and 5 deletions
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9
src/backend_x64/reg_alloc.cpp
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@ -558,19 +558,22 @@ void RegAlloc::EmitMove(HostLoc to, HostLoc from) {
if (HostLocIsXMM(to) && HostLocIsXMM(from)) {
code->movaps(HostLocToXmm(to), HostLocToXmm(from));
} else if (HostLocIsGPR(to) && HostLocIsGPR(from)) {
if (bit_width >= 64) {
ASSERT(bit_width != 128);
if (bit_width == 64) {
code->mov(HostLocToReg64(to), HostLocToReg64(from));
} else {
code->mov(HostLocToReg64(to).cvt32(), HostLocToReg64(from).cvt32());
}
} else if (HostLocIsXMM(to) && HostLocIsGPR(from)) {
if (bit_width >= 64) {
ASSERT(bit_width != 128);
if (bit_width == 64) {
code->movq(HostLocToXmm(to), HostLocToReg64(from));
} else {
code->movd(HostLocToXmm(to), HostLocToReg64(from).cvt32());
}
} else if (HostLocIsGPR(to) && HostLocIsXMM(from)) {
if (bit_width >= 64) {
ASSERT(bit_width != 128);
if (bit_width == 64) {
code->movq(HostLocToReg64(to), HostLocToXmm(from));
} else {
code->movd(HostLocToReg64(to).cvt32(), HostLocToXmm(from));