diff options
| author | H.J. Lu <hongjiu.lu@intel.com> | 2009-08-08 10:29:29 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2009-08-08 10:29:29 -0700 |
| commit | fc1870e6a484ad3211648c9ae51bc076913518aa (patch) | |
| tree | 79e028c9691d0f75c99fe5d6f5f2214e57808c36 | |
| parent | a3d4298d8354f4ea232f027ba2ebfd560afecc1b (diff) | |
| download | glibc-fc1870e6a484ad3211648c9ae51bc076913518aa.tar.gz glibc-fc1870e6a484ad3211648c9ae51bc076913518aa.tar.xz glibc-fc1870e6a484ad3211648c9ae51bc076913518aa.zip | |
Use PIC only if SHARED is defined.
For ia32, we can avoid PIC in IFUNC functions in static library.
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | sysdeps/i386/i686/multiarch/strcspn.S | 15 | ||||
| -rw-r--r-- | sysdeps/i386/i686/multiarch/strspn.S | 15 |
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) \ |