[X86] Add scheduler classes that account for GPR<->XMM transfers #36259
Description
| Bugzilla Link | 36911 |
| Resolution | FIXED |
| Resolved on | May 18, 2018 11:31 |
| Version | trunk |
| OS | Windows NT |
| Blocks | #36479 #36256 |
| Fixed by commit(s) | 332745 |
Extended Description
Transfers between the x86/GPR and SSE/XMM register files can vary a great deal between targets, we should create suitable classes instead of using WriteMove/WriteShuffle etc.
This includes the MOVD/MOVQ, PINSR, PEXTR and EXTRACTPS instructions.
