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reg_alloc: Explicitly specify GPR and XMM order

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This allows each backend to modify what registers they want to use and their preferred orderings
This commit is contained in:
MerryMage
2020-04-08 13:19:26 +01:00
parent c232ad7971
commit 49fcfe040c
7 changed files with 62 additions and 42 deletions
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src/backend/x64/emit_x64_floating_point.cpp
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@@ -1008,7 +1008,7 @@ void EmitX64::EmitFPSub64(EmitContext& ctx, IR::Inst* inst) {
}
static Xbyak::Reg64 SetFpscrNzcvFromFlags(BlockOfCode& code, EmitContext& ctx) {
ctx.reg_alloc.ScratchGpr({HostLoc::RCX}); // shifting requires use of cl
ctx.reg_alloc.ScratchGpr(HostLoc::RCX); // shifting requires use of cl
const Xbyak::Reg64 nzcv = ctx.reg_alloc.ScratchGpr();
// x64 flags ARM flags