From: H.J. Lu <hongjiu.lu@intel.com>
Date: Wed, 3 Oct 2012 17:51:22 +0000 (+0000)
Subject: Fix SSE and YMM state support check logic for -march=native
X-Git-Tag: releases/gcc-4.6.4~339
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d40156b244c860efdb145cb07f2d78983b08cc20;p=thirdparty%2Fgcc.git

Fix SSE and YMM state support check logic for -march=native

	Backported from mainline
	*  config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
	in SSE and YMM state support check for -march=native.

From-SVN: r192046
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a47020082128..2e0338abf6c6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2012-10-03  H.J. Lu  <hongjiu.lu@intel.com>
+
+	Backported from mainline
+	2012-10-03  Andrew W. Nosenko <andrew.w.nosenko@gmail.com>
+
+	*  config/i386/driver-i386.c (host_detect_local_cpu): Fix logic
+	in SSE and YMM state support check for -march=native.
+
 2012-10-02  H.J. Lu  <hongjiu.lu@intel.com>
 
 	Backported from mainline
diff --git a/gcc/config/i386/driver-i386.c b/gcc/config/i386/driver-i386.c
index 3e25a72f63d5..69128c58c829 100644
--- a/gcc/config/i386/driver-i386.c
+++ b/gcc/config/i386/driver-i386.c
@@ -474,7 +474,8 @@ const char *host_detect_local_cpu (int argc, const char **argv)
 	 : "c" (XCR_XFEATURE_ENABLED_MASK));
 
   /* Check if SSE and YMM states are supported.  */
-  if ((eax & (XSTATE_SSE | XSTATE_YMM)) == (XSTATE_SSE | XSTATE_YMM))
+  if (!has_osxsave
+      || (eax & (XSTATE_SSE | XSTATE_YMM)) != (XSTATE_SSE | XSTATE_YMM))
     {
       has_avx = 0;
       has_fma = 0;