From fc11ff8d0acebbf0802854156d45cb1d8bb7c079 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Fri, 4 Aug 2017 12:27:00 -0700 Subject: x86-64: Use IFUNC memcpy and mempcpy in libc.a Since apply_irel is called before memcpy and mempcpy are called, we can use IFUNC memcpy and mempcpy in libc.a. * sysdeps/x86_64/memmove.S (MEMCPY_SYMBOL): Don't check SHARED. (MEMPCPY_SYMBOL): Likewise. * sysdeps/x86_64/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Test memcpy and mempcpy in libc.a. * sysdeps/x86_64/multiarch/memcpy-ssse3-back.S: Also include in libc.a. * sysdeps/x86_64/multiarch/memcpy-ssse3.S: Likewise. * sysdeps/x86_64/multiarch/memmove-avx512-no-vzeroupper.S: Likewise. * sysdeps/x86_64/multiarch/memcpy.c: Also include in libc.a. (__hidden_ver1): Don't use in libc.a. * sysdeps/x86_64/multiarch/memmove-sse2-unaligned-erms.S (__mempcpy): Don't create a weak alias in libc.a. * sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S: Support libc.a. * sysdeps/x86_64/multiarch/mempcpy.c: Also include in libc.a. (__hidden_ver1): Don't use in libc.a. --- sysdeps/x86_64/multiarch/memmove-avx512-no-vzeroupper.S | 6 ------ 1 file changed, 6 deletions(-) (limited to 'sysdeps/x86_64/multiarch/memmove-avx512-no-vzeroupper.S') diff --git a/sysdeps/x86_64/multiarch/memmove-avx512-no-vzeroupper.S b/sysdeps/x86_64/multiarch/memmove-avx512-no-vzeroupper.S index f3ef10577c..7ca365ae70 100644 --- a/sysdeps/x86_64/multiarch/memmove-avx512-no-vzeroupper.S +++ b/sysdeps/x86_64/multiarch/memmove-avx512-no-vzeroupper.S @@ -23,7 +23,6 @@ # include "asm-syntax.h" .section .text.avx512,"ax",@progbits -# if defined SHARED && !defined USE_AS_MEMPCPY && !defined USE_AS_MEMMOVE ENTRY (__mempcpy_chk_avx512_no_vzeroupper) cmpq %rdx, %rcx jb HIDDEN_JUMPTARGET (__chk_fail) @@ -34,14 +33,11 @@ ENTRY (__mempcpy_avx512_no_vzeroupper) addq %rdx, %rax jmp L(start) END (__mempcpy_avx512_no_vzeroupper) -# endif -# ifdef SHARED ENTRY (__memmove_chk_avx512_no_vzeroupper) cmpq %rdx, %rcx jb HIDDEN_JUMPTARGET (__chk_fail) END (__memmove_chk_avx512_no_vzeroupper) -# endif ENTRY (__memmove_avx512_no_vzeroupper) mov %rdi, %rax @@ -413,8 +409,6 @@ L(gobble_256bytes_nt_loop_bkw): jmp L(check) END (__memmove_avx512_no_vzeroupper) -# ifdef SHARED strong_alias (__memmove_avx512_no_vzeroupper, __memcpy_avx512_no_vzeroupper) strong_alias (__memmove_chk_avx512_no_vzeroupper, __memcpy_chk_avx512_no_vzeroupper) -# endif #endif -- cgit 1.4.1