[PATCH] D59468: [X86] Remove the _alt forms of (V)CMP instructions. Use a combination of custom printing and custom parsing to achieve the same result and more
    Craig Topper via Phabricator via llvm-commits 
    llvm-commits at lists.llvm.org
       
    Sun Mar 17 01:23:29 PDT 2019
    
    
  
craig.topper marked an inline comment as done.
craig.topper added inline comments.
================
Comment at: lib/Target/X86/Disassembler/X86Disassembler.cpp:472
-      default: llvm_unreachable("unexpected opcode");
-      case X86::VCMPPDrmi:   NewOpc = X86::VCMPPDrmi_alt;   break;
-      case X86::VCMPPDrri:   NewOpc = X86::VCMPPDrri_alt;   break;
----------------
I should note this list was very incomplete. If any of the masked forms were disassembled with an out of range immediate, an assertion would be thrown. Same for broadcast verisons with and without masking
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  https://reviews.llvm.org/D59468/new/
https://reviews.llvm.org/D59468
    
    
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