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extsbx.

This commit is contained in:
Ben Vanik 2013-05-24 19:45:48 -07:00
parent 8976f1b046
commit 6cd8495ea2
1 changed files with 7 additions and 6 deletions
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13
src/xenia/cpu/x64/x64_emit_alu.cc
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@ -703,15 +703,17 @@ XEEMITTER(eqvx, 0x7C000238, X )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
#if 0
XEEMITTER(extsbx, 0x7C000774, X )(X64Emitter& e, X86Compiler& c, InstrData& i) {
// s <- (RS)[56]
// RA[56:63] <- (RS)[56:63]
// RA[0:55] <- i56.s
jit_value_t v = e.gpr_value(i.X.RT);
v = e.trunc_to_ubyte(v);
v = e.sign_extend(v, jit_type_nint);
// TODO(benvanik): see if there's a faster way to do this.
GpVar v(c.newGpVar());
c.mov(v, e.gpr_value(i.X.RT));
c.cbw(v);
c.cwde(v);
c.cdqe(v);
e.update_gpr_value(i.X.RA, v);
if (i.X.Rc) {
@ -721,7 +723,6 @@ XEEMITTER(extsbx, 0x7C000774, X )(X64Emitter& e, X86Compiler& c, InstrDat
return 0;
}
#endif
XEEMITTER(extshx, 0x7C000734, X )(X64Emitter& e, X86Compiler& c, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
@ -1108,7 +1109,7 @@ void X64RegisterEmitCategoryALU() {
XEREGISTERINSTR(cntlzdx, 0x7C000074);
// XEREGISTERINSTR(cntlzwx, 0x7C000034);
XEREGISTERINSTR(eqvx, 0x7C000238);
// XEREGISTERINSTR(extsbx, 0x7C000774);
XEREGISTERINSTR(extsbx, 0x7C000774);
XEREGISTERINSTR(extshx, 0x7C000734);
XEREGISTERINSTR(extswx, 0x7C0007B4);
XEREGISTERINSTR(nandx, 0x7C0003B8);