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lhau(x), fixes #110.

This commit is contained in:
Ben Vanik 2014-08-04 20:46:14 -07:00
parent 64d8ee386b
commit 8471408273
1 changed files with 16 additions and 4 deletions
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20
src/alloy/frontend/ppc/ppc_emit_memory.cc
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@ -143,13 +143,25 @@ XEEMITTER(lha, 0xA8000000, D)(PPCHIRBuilder& f, InstrData& i) {
}
XEEMITTER(lhau, 0xAC000000, D)(PPCHIRBuilder& f, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
// EA <- (RA) + EXTS(D)
// RT <- EXTS(MEM(EA, 2))
// RA <- EA
Value* ea = CalculateEA_i(f, i.D.RA, XEEXTS16(i.D.DS));
Value* rt = f.SignExtend(f.ByteSwap(f.Load(ea, INT16_TYPE)), INT64_TYPE);
f.StoreGPR(i.D.RT, rt);
f.StoreGPR(i.D.RA, ea);
return 0;
}
XEEMITTER(lhaux, 0x7C0002EE, X)(PPCHIRBuilder& f, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
// EA <- (RA) + (RB)
// RT <- EXTS(MEM(EA, 2))
// RA <- EA
Value* ea = CalculateEA(f, i.X.RA, i.X.RB);
Value* rt = f.SignExtend(f.ByteSwap(f.Load(ea, INT16_TYPE)), INT64_TYPE);
f.StoreGPR(i.X.RT, rt);
f.StoreGPR(i.X.RA, ea);
return 0;
}
XEEMITTER(lhax, 0x7C0002AE, X)(PPCHIRBuilder& f, InstrData& i) {