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Move cr update to StoreRelease - prevents extra block.

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This commit is contained in:
Ben Vanik
2014-08-06 11:37:54 -07:00
parent 5162d69ab2
commit b6046b1860
2 changed files with 3 additions and 4 deletions
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6
src/alloy/frontend/ppc/ppc_emit_memory.cc
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@@ -712,8 +712,7 @@ XEEMITTER(stdcx, 0x7C0001AD, X)(PPCHIRBuilder& f, InstrData& i) {
// CR0[LT GT EQ SO] = 0b00 || n || XER[SO]
Value* ea = CalculateEA_0(f, i.X.RA, i.X.RB);
Value* rt = f.ByteSwap(f.LoadGPR(i.X.RT));
Value* stored = f.StoreRelease(ea, rt);
f.StoreContext(offsetof(PPCContext, cr0.cr0_eq), stored);
f.StoreRelease(ea, rt); // also updates cr0
return 0;
}
@@ -729,8 +728,7 @@ XEEMITTER(stwcx, 0x7C00012D, X)(PPCHIRBuilder& f, InstrData& i) {
// CR0[LT GT EQ SO] = 0b00 || n || XER[SO]
Value* ea = CalculateEA_0(f, i.X.RA, i.X.RB);
Value* rt = f.ByteSwap(f.Truncate(f.LoadGPR(i.X.RT), INT32_TYPE));
Value* stored = f.StoreRelease(ea, rt);
f.StoreContext(offsetof(PPCContext, cr0.cr0_eq), stored);
f.StoreRelease(ea, rt); // also updates cr0
return 0;
}