unsigned SubIdx) const {
switch (SubIdx) {
default: return 0;
- case 1:
- // 8-bit
+ case X86::sub_8bit:
+ //case X86::sub_ss:
if (B == &X86::GR8RegClass) {
if (A->getSize() == 2 || A->getSize() == 4 || A->getSize() == 8)
return A;
return A;
}
break;
- case 2:
- // 8-bit hi
+ case X86::sub_8bit_hi:
+ //case X86::sub_sd:
if (B == &X86::GR8_ABCD_HRegClass) {
if (A == &X86::GR64RegClass || A == &X86::GR64_ABCDRegClass ||
A == &X86::GR64_NOREXRegClass ||
return A;
}
break;
- case 3:
- // 16-bit
+ case X86::sub_16bit:
+ //case X86::sub_xmm:
if (B == &X86::GR16RegClass) {
if (A->getSize() == 4 || A->getSize() == 8)
return A;
return A;
}
break;
- case 4:
- // 32-bit
+ case X86::sub_32bit:
if (B == &X86::GR32RegClass || B == &X86::GR32_NOSPRegClass) {
if (A->getSize() == 8)
return A;