CommonRC = SrcRC;
else if (!DestRC->hasSubClass(SrcRC)) {
// Neither of GR64_NOREX or GR64_NOSP is a superclass of the other,
- // but we want to copy then as GR64.
- if ((SrcRC == &X86::GR64RegClass || SrcRC->hasSuperClass(&X86::GR64RegClass)) &&
- (DestRC == &X86::GR64RegClass || DestRC->hasSuperClass(&X86::GR64RegClass)))
+ // but we want to copy then as GR64. Similarly, for GR32_NOREX and
+ // GR32_NOSP, copy as GR32.
+ if ((SrcRC == &X86::GR64RegClass ||
+ SrcRC->hasSuperClass(&X86::GR64RegClass)) &&
+ (DestRC == &X86::GR64RegClass ||
+ DestRC->hasSuperClass(&X86::GR64RegClass)))
CommonRC = &X86::GR64RegClass;
+ else if ((SrcRC == &X86::GR32RegClass ||
+ SrcRC->hasSuperClass(&X86::GR32RegClass)) &&
+ (DestRC == &X86::GR32RegClass ||
+ DestRC->hasSuperClass(&X86::GR32RegClass)))
+ CommonRC = &X86::GR32RegClass;
else
CommonRC = 0;
}