Use PIC only if SHARED is defined.
authorH.J. Lu <hongjiu.lu@intel.com>
Sat, 8 Aug 2009 17:29:29 +0000 (10:29 -0700)
committerUlrich Drepper <drepper@redhat.com>
Sat, 8 Aug 2009 17:29:29 +0000 (10:29 -0700)
For ia32, we can avoid PIC in IFUNC functions in static library.

ChangeLog
sysdeps/i386/i686/multiarch/strcspn.S
sysdeps/i386/i686/multiarch/strspn.S

index 0a3df8a..072af87 100644 (file)
--- 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.
index ca9c3f5..73e7eb4 100644 (file)
@@ -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) \
index f11d3ea..f306d2d 100644 (file)
@@ -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) \