1 files changed, 98 insertions, 0 deletions

diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0316-Always-add-mno-XXX-for-march-native.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0316-Always-add-mno-XXX-for-march-native.patch
new file mode 100644
index 0000000000..b32aaa9c99
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0316-Always-add-mno-XXX-for-march-native.patch
@@ -0,0 +1,98 @@
+From c6d129bd59a33539ec842283252e7ace52a82838 Mon Sep 17 00:00:00 2001
+From: hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4>
+Date: Tue, 24 May 2011 17:41:51 +0000
+Subject: [PATCH] Always add -mno-XXX for -march=native.
+
+2011-05-24  H.J. Lu  <hongjiu.lu@intel.com>
+
+        Backport from mainline
+        2011-05-24  H.J. Lu  <hongjiu.lu@intel.com>
+
+        PR target/49128
+        * config/i386/driver-i386.c (host_detect_local_cpu): Always
+        add -mno-XXX.  Handle FMA.
+
+
+git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@174127 138bc75d-0d04-0410-961f-82ee72b054a4
+
+index 35962c8..747122b 100644
+--- a/gcc/config/i386/driver-i386.c
++++ b/gcc/config/i386/driver-i386.c
+@@ -395,7 +395,7 @@ const char *host_detect_local_cpu (int argc, const char **argv)
+   unsigned int has_movbe = 0, has_sse4_1 = 0, has_sse4_2 = 0;
+   unsigned int has_popcnt = 0, has_aes = 0, has_avx = 0;
+   unsigned int has_pclmul = 0, has_abm = 0, has_lwp = 0;
+-  unsigned int has_fma4 = 0, has_xop = 0;
++  unsigned int has_fma = 0, has_fma4 = 0, has_xop = 0;
+   unsigned int has_bmi = 0, has_tbm = 0;
+ 
+   bool arch;
+@@ -443,6 +443,7 @@ const char *host_detect_local_cpu (int argc, const char **argv)
+   has_popcnt = ecx & bit_POPCNT;
+   has_aes = ecx & bit_AES;
+   has_pclmul = ecx & bit_PCLMUL;
++  has_fma = ecx & bit_FMA;
+ 
+   has_cmpxchg8b = edx & bit_CMPXCHG8B;
+   has_cmov = edx & bit_CMOV;
+@@ -681,37 +682,26 @@ const char *host_detect_local_cpu (int argc, const char **argv)
+ 
+   if (arch)
+     {
+-      if (has_cmpxchg16b)
+-       options = concat (options, " -mcx16", NULL);
+-      if (has_lahf_lm)
+-       options = concat (options, " -msahf", NULL);
+-      if (has_movbe)
+-       options = concat (options, " -mmovbe", NULL);
+-      if (has_aes)
+-       options = concat (options, " -maes", NULL);
+-      if (has_pclmul)
+-       options = concat (options, " -mpclmul", NULL);
+-      if (has_popcnt)
+-       options = concat (options, " -mpopcnt", NULL);
+-      if (has_abm)
+-       options = concat (options, " -mabm", NULL);
+-      if (has_lwp)
+-       options = concat (options, " -mlwp", NULL);
+-      if (has_fma4)
+-       options = concat (options, " -mfma4", NULL);
+-      if (has_xop)
+-       options = concat (options, " -mxop", NULL);
+-      if (has_bmi)
+-       options = concat (options, " -mbmi", NULL);
+-      if (has_tbm)
+-       options = concat (options, " -mtbm", NULL);
+-
+-      if (has_avx)
+-       options = concat (options, " -mavx", NULL);
+-      else if (has_sse4_2)
+-       options = concat (options, " -msse4.2", NULL);
+-      else if (has_sse4_1)
+-       options = concat (options, " -msse4.1", NULL);
++      const char *cx16 = has_cmpxchg16b ? " -mcx16" : " -mno-cx16";
++      const char *sahf = has_lahf_lm ? " -msahf" : " -mno-sahf";
++      const char *movbe = has_movbe ? " -mmovbe" : " -mno-movbe";
++      const char *ase = has_aes ? " -maes" : " -mno-aes";
++      const char *pclmul = has_pclmul ? " -mpclmul" : " -mno-pclmul";
++      const char *popcnt = has_popcnt ? " -mpopcnt" : " -mno-popcnt";
++      const char *abm = has_abm ? " -mabm" : " -mno-abm";
++      const char *lwp = has_lwp ? " -mlwp" : " -mno-lwp";
++      const char *fma = has_fma ? " -mfma" : " -mno-fma";
++      const char *fma4 = has_fma4 ? " -mfma4" : " -mno-fma4";
++      const char *xop = has_xop ? " -mxop" : " -mno-xop";
++      const char *bmi = has_bmi ? " -mbmi" : " -mno-bmi";
++      const char *tbm = has_tbm ? " -mtbm" : " -mno-tbm";
++      const char *avx = has_avx ? " -mavx" : " -mno-avx";
++      const char *sse4_2 = has_sse4_2 ? " -msse4.2" : " -mno-msse4.2";
++      const char *sse4_1 = has_sse4_1 ? " -msse4.1" : " -mno-sse4.1";
++
++      options = concat (options, cx16, sahf, movbe, ase, pclmul,
++                       popcnt, abm, lwp, fma, fma4, xop, bmi, tbm,
++                       avx, sse4_2, sse4_1, NULL);
+     }
+ 
+ done:
+-- 
+1.7.0.4
+