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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) \