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| author | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
| commit | a334319f6530564d22e775935d9c91663623a1b4 (patch) | |
| tree | b5877475619e4c938e98757d518bb1e9cbead751 /sysdeps/i386/i686/memset.S | |
| parent | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff) | |
| download | glibc-a334319f6530564d22e775935d9c91663623a1b4.tar.gz glibc-a334319f6530564d22e775935d9c91663623a1b4.tar.xz glibc-a334319f6530564d22e775935d9c91663623a1b4.zip | |
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'sysdeps/i386/i686/memset.S')
| -rw-r--r-- | sysdeps/i386/i686/memset.S | 24 |
1 files changed, 7 insertions, 17 deletions
diff --git a/sysdeps/i386/i686/memset.S b/sysdeps/i386/i686/memset.S index dfa1aa7019..561188ffec 100644 --- a/sysdeps/i386/i686/memset.S +++ b/sysdeps/i386/i686/memset.S @@ -1,6 +1,6 @@ /* memset/bzero -- set memory area to CH/0 Highly optimized version for ix86, x>=6. - Copyright (C) 1999,2000,2003,2005,2006 Free Software Foundation, Inc. + Copyright (C) 1999, 2000, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999. @@ -51,7 +51,6 @@ ENTRY (BP_SYM (memset)) cld pushl %edi - cfi_adjust_cfa_offset (4) movl DEST(%esp), %edx movl LEN(%esp), %ecx CHECK_BOUNDS_BOTH_WIDE (%edx, DEST(%esp), %ecx) @@ -62,19 +61,18 @@ ENTRY (BP_SYM (memset)) #endif jecxz 1f movl %edx, %edi - cfi_rel_offset (edi, 0) andl $3, %edx - jz 2f /* aligned */ - jp 3f /* misaligned at 3, store just one byte below */ - stosb /* misaligned at 1 or 2, store two bytes */ + jz 2f + jnp 3f + stosb decl %ecx jz 1f 3: stosb decl %ecx jz 1f - xorl $1, %edx - jnz 2f /* was misaligned at 2 or 3, now aligned */ - stosb /* was misaligned at 1, store third byte */ + xorl $3, %edx + jz 2f + stosb decl %ecx 2: movl %ecx, %edx shrl $2, %ecx @@ -94,8 +92,6 @@ ENTRY (BP_SYM (memset)) RETURN_BOUNDED_POINTER (DEST(%esp)) #endif popl %edi - cfi_adjust_cfa_offset (-4) - cfi_restore (edi) LEAVE #if BZERO_P @@ -105,9 +101,3 @@ ENTRY (BP_SYM (memset)) #endif END (BP_SYM (memset)) libc_hidden_builtin_def (memset) - -#if defined PIC && !defined NOT_IN_libc && !BZERO_P -strong_alias (__memset_chk, __memset_zero_constant_len_parameter) - .section .gnu.warning.__memset_zero_constant_len_parameter - .string "memset used with constant zero length parameter; this could be due to transposed parameters" -#endif |