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GNU C Library master sources branch release/2.16/master updated. glibc-2.16.0-15-ga5cfcf0
- From: hjl at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 4 Oct 2012 14:24:57 -0000
- Subject: GNU C Library master sources branch release/2.16/master updated. glibc-2.16.0-15-ga5cfcf0
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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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