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reg_alloc: Register allocator related constraints belong with the rest of the register allocator

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HostLocToReg64 contained two DEBUG_ASSERTs invloving constraints that
really belonged to the register allocator.

The register allocator prevents allocation of RSP and R15 because those
are reserved for the stack pointer and the state pointer respectively.
This commit is contained in:
MerryMage
2016-11-30 19:42:41 +00:00
parent 5f11b4f50e
commit 3621a925b2
3 changed files with 3 additions and 2 deletions
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src/backend_x64/reg_alloc.cpp
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@@ -34,6 +34,7 @@ static u32 ImmediateToU32(const IR::Value& imm) {
static Xbyak::Reg HostLocToX64(HostLoc hostloc) {
if (HostLocIsGPR(hostloc)) {
DEBUG_ASSERT(hostloc != HostLoc::RSP && hostloc != HostLoc::R15);
return HostLocToReg64(hostloc);
}
if (HostLocIsXMM(hostloc)) {