GNU C Library master sources branch release/2.16/master updated. glibc-2.16.0-15-ga5cfcf0

[hjl at sourceware dot org]

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- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=a5cfcf08ffaa8f2f6dee090b9132309e00df9888

commit a5cfcf08ffaa8f2f6dee090b9132309e00df9888
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Oct 2 05:05:17 2012 -0700

    Define HAS_FMA with bit_FMA_Usable
    
    cherry-pick 0569936773c861c791f10bba5e2f4cac5fbb4e78
    
    Conflicts:
    	ChangeLog
    	NEWS

diff --git a/ChangeLog b/ChangeLog
index 7c72300..ef468a5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2012-10-04  H.J. Lu  <hongjiu.lu@intel.com>
+
+	[BZ #14648]
+	* sysdeps/x86_64/multiarch/init-arch.c (__init_cpu_features):
+	Set bit_FMA_Usable if FMA is supported.
+	* sysdeps/x86_64/multiarch/init-arch.h (bit_FMA_Usable): New
+	macro.
+	(bit_FMA4_Usable): Updated.
+	(index_FMA_Usable): New macro.
+	(CPUID_FMA): Likewise
+	(HAS_FMA): Defined with bit_FMA_Usable.
+
 2012-09-28  Andreas Schwab  <schwab@linux-m68k.org>
 
 	[BZ #6530]
diff --git a/NEWS b/NEWS
index 50aec9d..507a0b1 100644
--- a/NEWS
+++ b/NEWS
@@ -9,7 +9,7 @@ Version 2.16.1
 
 * The following bugs are resolved with this release:
 
-  6530, 14195, 14459, 14476, 14562, 14621
+  6530, 14195, 14459, 14476, 14562, 14621, 14648
 
 Version 2.16
 
diff --git a/sysdeps/x86_64/multiarch/init-arch.c b/sysdeps/x86_64/multiarch/init-arch.c
index fb44dcf..fed5ab8 100644
--- a/sysdeps/x86_64/multiarch/init-arch.c
+++ b/sysdeps/x86_64/multiarch/init-arch.c
@@ -156,6 +156,9 @@ __init_cpu_features (void)
 	  /* Determine if AVX is usable.  */
 	  if (CPUID_AVX)
 	    __cpu_features.feature[index_AVX_Usable] |= bit_AVX_Usable;
+	  /* Determine if FMA is usable.  */
+	  if (CPUID_FMA)
+	    __cpu_features.feature[index_FMA_Usable] |= bit_FMA_Usable;
 	  /* Determine if FMA4 is usable.  */
 	  if (CPUID_FMA4)
 	    __cpu_features.feature[index_FMA4_Usable] |= bit_FMA4_Usable;
diff --git a/sysdeps/x86_64/multiarch/init-arch.h b/sysdeps/x86_64/multiarch/init-arch.h
index 45e2651..f33f1c8 100644
--- a/sysdeps/x86_64/multiarch/init-arch.h
+++ b/sysdeps/x86_64/multiarch/init-arch.h
@@ -22,7 +22,8 @@
 #define bit_Fast_Unaligned_Load		(1 << 4)
 #define bit_Prefer_PMINUB_for_stringop	(1 << 5)
 #define bit_AVX_Usable			(1 << 6)
-#define bit_FMA4_Usable			(1 << 7)
+#define bit_FMA_Usable			(1 << 7)
+#define bit_FMA4_Usable			(1 << 8)
 
 /* CPUID Feature flags.  */
 #define bit_SSE2	(1 << 26)
@@ -56,6 +57,7 @@
 # define index_Fast_Unaligned_Load	FEATURE_INDEX_1*FEATURE_SIZE
 # define index_Prefer_PMINUB_for_stringop FEATURE_INDEX_1*FEATURE_SIZE
 # define index_AVX_Usable		FEATURE_INDEX_1*FEATURE_SIZE
+# define index_FMA_Usable		FEATURE_INDEX_1*FEATURE_SIZE
 # define index_FMA4_Usable		FEATURE_INDEX_1*FEATURE_SIZE
 
 #else	/* __ASSEMBLER__ */
@@ -131,6 +133,8 @@ extern const struct cpu_features *__get_cpu_features (void)
   HAS_CPUID_FLAG (COMMON_CPUID_INDEX_1, ecx, bit_OSXSAVE)
 # define CPUID_AVX \
   HAS_CPUID_FLAG (COMMON_CPUID_INDEX_1, ecx, bit_AVX)
+# define CPUID_FMA \
+  HAS_CPUID_FLAG (COMMON_CPUID_INDEX_1, ecx, bit_FMA)
 # define CPUID_FMA4 \
   HAS_CPUID_FLAG (COMMON_CPUID_INDEX_80000001, ecx, bit_FMA4)
 
@@ -140,7 +144,6 @@ extern const struct cpu_features *__get_cpu_features (void)
 # define HAS_SSSE3	HAS_CPU_FEATURE (COMMON_CPUID_INDEX_1, ecx, bit_SSSE3)
 # define HAS_SSE4_1	HAS_CPU_FEATURE (COMMON_CPUID_INDEX_1, ecx, bit_SSE4_1)
 # define HAS_SSE4_2	HAS_CPU_FEATURE (COMMON_CPUID_INDEX_1, ecx, bit_SSE4_2)
-# define HAS_FMA	HAS_CPU_FEATURE (COMMON_CPUID_INDEX_1, ecx, bit_FMA)
 
 # define index_Fast_Rep_String		FEATURE_INDEX_1
 # define index_Fast_Copy_Backward	FEATURE_INDEX_1
@@ -148,6 +151,7 @@ extern const struct cpu_features *__get_cpu_features (void)
 # define index_Prefer_SSE_for_memop	FEATURE_INDEX_1
 # define index_Fast_Unaligned_Load	FEATURE_INDEX_1
 # define index_AVX_Usable		FEATURE_INDEX_1
+# define index_FMA_Usable		FEATURE_INDEX_1
 # define index_FMA4_Usable		FEATURE_INDEX_1
 
 # define HAS_ARCH_FEATURE(name) \
@@ -159,6 +163,7 @@ extern const struct cpu_features *__get_cpu_features (void)
 # define HAS_PREFER_SSE_FOR_MEMOP	HAS_ARCH_FEATURE (Prefer_SSE_for_memop)
 # define HAS_FAST_UNALIGNED_LOAD	HAS_ARCH_FEATURE (Fast_Unaligned_Load)
 # define HAS_AVX			HAS_ARCH_FEATURE (AVX_Usable)
+# define HAS_FMA			HAS_ARCH_FEATURE (FMA_Usable)
 # define HAS_FMA4			HAS_ARCH_FEATURE (FMA4_Usable)
 
 #endif	/* __ASSEMBLER__ */

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                            |   12 ++++++++++++
 NEWS                                 |    2 +-
 sysdeps/x86_64/multiarch/init-arch.c |    3 +++
 sysdeps/x86_64/multiarch/init-arch.h |    9 +++++++--
 4 files changed, 23 insertions(+), 3 deletions(-)


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