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Pull in r262772 from upstream clang trunk (by Simon Pilgrim):

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[X86] AMD Bobcat CPU (btver1) doesn't support XSAVE

  btver1 is a SSSE3/SSE4a only CPU - it doesn't have AVX and doesn't
  support XSAVE.

  Differential Revision: http://reviews.llvm.org/D17682

Pull in r262782 from upstream llvm trunk (by Simon Pilgrim):

  [X86] AMD Bobcat CPU (btver1) doesn't support XSAVE

  btver1 is a SSSE3/SSE4a only CPU - it doesn't have AVX and doesn't
  support XSAVE.

  Differential Revision: http://reviews.llvm.org/D17683

This ensures clang does not emit AVX instructions for CPUTYPE=btver1.

Reported by:	Michel Depeige <demik+freebsd@lostwave.net>
PR:		211864
MFC after:	3 days
This commit is contained in:
Dimitry Andric 2016-08-17 21:57:11 +00:00
parent d00d8ed84f
commit 910b36f73f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=304319
3 changed files with 1 additions and 3 deletions
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1
contrib/llvm/lib/Target/X86/X86.td
View File

@ -576,7 +576,6 @@ def : Proc<"btver1", [
FeaturePRFCHW,
FeatureLZCNT,
FeaturePOPCNT,
FeatureXSAVE,
FeatureSlowSHLD,
FeatureLAHFSAHF
]>;

1
contrib/llvm/tools/clang/lib/Basic/Targets.cpp
View File

@ -2731,7 +2731,6 @@ bool X86TargetInfo::initFeatureMap(
setFeatureEnabledImpl(Features, "prfchw", true);
setFeatureEnabledImpl(Features, "cx16", true);
setFeatureEnabledImpl(Features, "fxsr", true);
setFeatureEnabledImpl(Features, "xsave", true);
break;
case CK_BDVER4:
setFeatureEnabledImpl(Features, "avx2", true);

2
lib/clang/freebsd_cc_version.h
View File

@ -1,3 +1,3 @@
/* $FreeBSD$ */
#define FREEBSD_CC_VERSION 1200000
#define FREEBSD_CC_VERSION 1200001