llvm.org GIT mirror llvm / 57d1d93
For now, avoid issuing extract_subreg to reuse lower 8-bit, it's not safe in 32-bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93307 91177308-0d34-0410-b5e6-96231b3b80d8 Evan Cheng 10 years ago
1 changed file(s) with 4 addition(s) and 0 deletion(s). Raw diff Collapse all Expand all
723723 case X86::MOVZX32rr8:
724724 case X86::MOVSX64rr8:
725725 case X86::MOVZX64rr8:
726 if (!TM.getSubtarget().is64Bit())
727 // It's not always legal to reference the low 8-bit of the larger
728 // register in 32-bit mode.
729 return false;
726730 case X86::MOVSX32rr16:
727731 case X86::MOVZX32rr16:
728732 case X86::MOVSX64rr16: