[llvm] r261977 - [X86] Explicitly diagnose use of %xmm16-%xmm31, %ymm16-%ymm31 and %zmm16-%zmm31 when AVX512 is not enabled in the asm parser.

[Craig Topper via llvm-commits]

Tests commited in r261983

On Thu, Feb 25, 2016 at 9:59 PM, Sean Silva <chisophugis at gmail.com> wrote:

> Did you have a local test case you were iterating on that you could add?
>
> -- Sean Silva
>
> On Thu, Feb 25, 2016 at 9:29 PM, Craig Topper via llvm-commits <
> llvm-commits at lists.llvm.org> wrote:
>
>> Author: ctopper
>> Date: Thu Feb 25 23:29:32 2016
>> New Revision: 261977
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=261977&view=rev
>> Log:
>> [X86] Explicitly diagnose use of %xmm16-%xmm31, %ymm16-%ymm31 and
>> %zmm16-%zmm31 when AVX512 is not enabled in the asm parser.
>>
>> Modified:
>>     llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp
>>
>> Modified: llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp
>> URL:
>> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp?rev=261977&r1=261976&r2=261977&view=diff
>>
>> ==============================================================================
>> --- llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp (original)
>> +++ llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp Thu Feb 25
>> 23:29:32 2016
>> @@ -908,10 +908,16 @@ bool X86AsmParser::ParseRegister(unsigne
>>      if (RegNo == X86::RIZ ||
>>          X86MCRegisterClasses[X86::GR64RegClassID].contains(RegNo) ||
>>          X86II::isX86_64NonExtLowByteReg(RegNo) ||
>> -        X86II::isX86_64ExtendedReg(RegNo))
>> +        X86II::isX86_64ExtendedReg(RegNo) ||
>> +        X86II::is32ExtendedReg(RegNo))
>>        return Error(StartLoc, "register %"
>>                     + Tok.getString() + " is only available in 64-bit
>> mode",
>>                     SMRange(StartLoc, EndLoc));
>> +  } else if (!getSTI().getFeatureBits()[X86::FeatureAVX512]) {
>> +    if (X86II::is32ExtendedReg(RegNo))
>> +      return Error(StartLoc, "register %"
>> +                   + Tok.getString() + " is only available in with
>> AVX512",
>> +                   SMRange(StartLoc, EndLoc));
>>    }
>>
>>    // Parse "%st" as "%st(0)" and "%st(1)", which is multiple tokens.
>>
>>
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>>
>
>


-- 
~Craig
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