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BackendX64/RegAlloc: HostLocToX64 now handles XMM registers properly

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This commit is contained in:
MerryMage 2016-08-06 17:11:22 +01:00
parent cd1eef2801
commit 8cc4fe8a10
1 changed files with 8 additions and 1 deletions
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9
src/backend_x64/reg_alloc.cpp
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@ -33,7 +33,14 @@ static Gen::OpArg ImmediateToOpArg(const IR::Value& imm) {
static Gen::X64Reg HostLocToX64(HostLoc loc) {
DEBUG_ASSERT(HostLocIsRegister(loc));
// HostLoc is ordered such that the numbers line up.
return static_cast<Gen::X64Reg>(loc);
if (HostLocIsGPR(loc)) {
return static_cast<Gen::X64Reg>(loc);
}
if (HostLocIsXMM(loc)) {
return static_cast<Gen::X64Reg>(size_t(loc) - size_t(HostLoc::XMM0));
}
ASSERT_MSG(false, "This should never happen.");
return Gen::INVALID_REG;
}
static Gen::OpArg SpillToOpArg(HostLoc loc) {