From 29c227336960a83fc41a88a9e9f65aa4eff95ffc Mon Sep 17 00:00:00 2001 From: Craig Topper Date: Fri, 26 Feb 2016 05:29:32 +0000 Subject: [PATCH] [X86] Explicitly diagnose use of %xmm16-%xmm31, %ymm16-%ymm31 and %zmm16-%zmm31 when AVX512 is not enabled in the asm parser. llvm-svn: 261977 --- llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp index bc2ff332bbdd..20907b494a47 100644 --- a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp +++ b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp @@ -908,10 +908,16 @@ bool X86AsmParser::ParseRegister(unsigned &RegNo, 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.