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authorH.J. Lu <hongjiu.lu@intel.com>2009-08-08 10:29:29 -0700
committerUlrich Drepper <drepper@redhat.com>2009-08-08 10:29:29 -0700
commitfc1870e6a484ad3211648c9ae51bc076913518aa (patch)
tree79e028c9691d0f75c99fe5d6f5f2214e57808c36
parenta3d4298d8354f4ea232f027ba2ebfd560afecc1b (diff)
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Use PIC only if SHARED is defined.
For ia32, we can avoid PIC in IFUNC functions in static library.
-rw-r--r--ChangeLog6
-rw-r--r--sysdeps/i386/i686/multiarch/strcspn.S15
-rw-r--r--sysdeps/i386/i686/multiarch/strspn.S15
3 files changed, 36 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 0a3df8adf8..072af87db7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2009-08-07  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* sysdeps/i386/i686/multiarch/strcspn.S (STRCSPN): Use PIC
+	only if SHARED is defined.
+	* sysdeps/i386/i686/multiarch/strspn.S (strspn): Likewise.
+
 2009-08-03  Jim Meyering  <meyering@redhat.com>
 
 	* sysdeps/i386/configure.in: Use AC_HEADER_CHECK.
diff --git a/sysdeps/i386/i686/multiarch/strcspn.S b/sysdeps/i386/i686/multiarch/strcspn.S
index ca9c3f57c1..73e7eb45a8 100644
--- a/sysdeps/i386/i686/multiarch/strcspn.S
+++ b/sysdeps/i386/i686/multiarch/strcspn.S
@@ -42,6 +42,7 @@
    define multiple versions for strpbrk in static library since we
    need strpbrk before the initialization happened.  */
 #if (defined SHARED || !defined USE_AS_STRPBRK) && !defined NOT_IN_libc
+# ifdef SHARED
 	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
 	.globl	__i686.get_pc_thunk.bx
 	.hidden	__i686.get_pc_thunk.bx
@@ -71,6 +72,20 @@ ENTRY(STRCSPN)
 	cfi_restore (ebx)
 	ret
 END(STRCSPN)
+# else
+	.text
+ENTRY(STRCSPN)
+	.type	STRCSPN, @gnu_indirect_function
+	cmpl	$0, KIND_OFFSET+__cpu_features
+	jne	1f
+	call	__init_cpu_features
+1:	leal	STRCSPN_IA32, %eax
+	testl	$(1<<20), CPUID_OFFSET+COMMON_CPUID_INDEX_1*CPUID_SIZE+CPUID_ECX_OFFSET+__cpu_features
+	jz	2f
+	leal	STRCSPN_SSE42, %eax
+2:	ret
+END(STRCSPN)
+# endif
 
 # undef ENTRY
 # define ENTRY(name) \
diff --git a/sysdeps/i386/i686/multiarch/strspn.S b/sysdeps/i386/i686/multiarch/strspn.S
index f11d3eaf6a..f306d2d1fb 100644
--- a/sysdeps/i386/i686/multiarch/strspn.S
+++ b/sysdeps/i386/i686/multiarch/strspn.S
@@ -27,6 +27,7 @@
 
 /* Define multiple versions only for the definition in libc.  */
 #ifndef NOT_IN_libc
+# ifdef SHARED
 	.section	.gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits
 	.globl	__i686.get_pc_thunk.bx
 	.hidden	__i686.get_pc_thunk.bx
@@ -56,6 +57,20 @@ ENTRY(strspn)
 	cfi_restore (ebx)
 	ret
 END(strspn)
+# else
+	.text
+ENTRY(strspn)
+	.type	strspn, @gnu_indirect_function
+	cmpl	$0, KIND_OFFSET+__cpu_features
+	jne	1f
+	call	__init_cpu_features
+1:	leal	__strspn_ia32, %eax
+	testl	$(1<<20), CPUID_OFFSET+COMMON_CPUID_INDEX_1*CPUID_SIZE+CPUID_ECX_OFFSET+__cpu_features
+	jz	2f
+	leal	__strspn_sse42, %eax
+2:	ret
+END(strspn)
+# endif
 
 # undef ENTRY
 # define ENTRY(name) \