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[JIT] Apply the same ZeroExtend/Truncate to rlwimix and rlwnmx

This commit is contained in:
DrChat 2018-02-14 22:05:54 -06:00
parent 0cc2b0fc9f
commit ec501a32c6
1 changed files with 2 additions and 2 deletions
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4
src/xenia/cpu/ppc/ppc_emit_alu.cc
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@ -960,7 +960,7 @@ int InstrEmit_rlwimix(PPCHIRBuilder& f, const InstrData& i) {
// RA <- r&m | (RA)&¬m // RA <- r&m | (RA)&¬m
Value* v = f.LoadGPR(i.M.RT); Value* v = f.LoadGPR(i.M.RT);
// (x||x) // (x||x)
v = f.Or(f.Shl(v, 32), f.And(v, f.LoadConstantUint64(0xFFFFFFFF))); v = f.Or(f.Shl(v, 32), f.ZeroExtend(f.Truncate(v, INT32_TYPE), INT64_TYPE));
if (i.M.SH) { if (i.M.SH) {
v = f.RotateLeft(v, f.LoadConstantInt8(i.M.SH)); v = f.RotateLeft(v, f.LoadConstantInt8(i.M.SH));
} }
@ -1018,7 +1018,7 @@ int InstrEmit_rlwnmx(PPCHIRBuilder& f, const InstrData& i) {
f.And(f.Truncate(f.LoadGPR(i.M.SH), INT8_TYPE), f.LoadConstantInt8(0x1F)); f.And(f.Truncate(f.LoadGPR(i.M.SH), INT8_TYPE), f.LoadConstantInt8(0x1F));
Value* v = f.LoadGPR(i.M.RT); Value* v = f.LoadGPR(i.M.RT);
// (x||x) // (x||x)
v = f.Or(f.Shl(v, 32), f.And(v, f.LoadConstantUint64(0xFFFFFFFF))); v = f.Or(f.Shl(v, 32), f.ZeroExtend(f.Truncate(v, INT32_TYPE), INT64_TYPE));
v = f.RotateLeft(v, sh); v = f.RotateLeft(v, sh);
v = f.And(v, f.LoadConstantUint64(XEMASK(i.M.MB + 32, i.M.ME + 32))); v = f.And(v, f.LoadConstantUint64(XEMASK(i.M.MB + 32, i.M.ME + 32)));
f.StoreGPR(i.M.RA, v); f.StoreGPR(i.M.RA, v);