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author | Ulrich Drepper <drepper@redhat.com> | 2005-05-04 06:22:30 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2005-05-04 06:22:30 +0000 |
commit | 1ad9da69c607236f70689dab39a7d937398d2f10 (patch) | |
tree | c6f6a3a9f909389ced37fa6d3e5b229bc98b001a /sysdeps/i386/i586/rshift.S | |
parent | 5085cd1fa10472c6e484e0cb6cb06417ca69de1d (diff) | |
download | glibc-1ad9da69c607236f70689dab39a7d937398d2f10.tar.gz glibc-1ad9da69c607236f70689dab39a7d937398d2f10.tar.xz glibc-1ad9da69c607236f70689dab39a7d937398d2f10.zip |
* sysdeps/i386/add_n.S: Add call frame information. cvs/fedora-glibc-20050504T0728
* sysdeps/i386/addmul_1.S: Likewise. * sysdeps/i386/bsd-setjmp.S: Likewise. * sysdeps/i386/lshift.S: Likewise. * sysdeps/i386/memchr.S: Likewise. * sysdeps/i386/memcmp.S: Likewise. * sysdeps/i386/mul_1.S: Likewise. * sysdeps/i386/rawmemchr.S: Likewise. * sysdeps/i386/rshift.S: Likewise. * sysdeps/i386/stpncpy.S: Likewise. * sysdeps/i386/strchr.S: Likewise. * sysdeps/i386/strchrnul.S: Likewise. * sysdeps/i386/strcspn.S: Likewise. * sysdeps/i386/strpbrk.S: Likewise. * sysdeps/i386/strrchr.S: Likewise. * sysdeps/i386/strspn.S: Likewise. * sysdeps/i386/strtok.S: Likewise. * sysdeps/i386/sub_n.S: Likewise. * sysdeps/i386/submul_1.S: Likewise. * sysdeps/i386/elf/bsd-setjmp.S: Likewise. * sysdeps/i386/i486/strcat.S: Likewise. * sysdeps/i386/i586/add_n.S: Likewise. * sysdeps/i386/i586/addmul_1.S: Likewise. * sysdeps/i386/i586/lshift.S: Likewise. * sysdeps/i386/i586/memcpy.S: Likewise. * sysdeps/i386/i586/memset.S: Likewise. * sysdeps/i386/i586/mul_1.S: Likewise. * sysdeps/i386/i586/rshift.S: Likewise. * sysdeps/i386/i586/strchr.S: Likewise. * sysdeps/i386/i586/strcpy.S: Likewise. * sysdeps/i386/i586/sub_n.S: Likewise. * sysdeps/i386/i586/submul_1.S: Likewise. * sysdeps/i386/i686/add_n.S: Likewise. * sysdeps/i386/i686/memcmp.S: Likewise. * sysdeps/i386/i686/memmove.S: Likewise. * sysdeps/i386/i686/mempcpy.S: Likewise. * sysdeps/i386/i686/memset.S: Likewise. * sysdeps/i386/i686/strtok.S: Likewise. * sysdeps/unix/sysv/linux/i386/clone.S: Likewise. * sysdeps/unix/sysv/linux/i386/mmap.S: Likewise. * sysdeps/unix/sysv/linux/i386/mmap64.S: Likewise. * sysdeps/unix/sysv/linux/i386/posix_fadvise64.S: Likewise. * sysdeps/unix/sysv/linux/i386/semtimedop.S: Likewise. * sysdeps/unix/sysv/linux/i386/setcontext.S: Likewise. * sysdeps/i386/fpu/libm-test-ulps: Adjust for gcc 4.
Diffstat (limited to 'sysdeps/i386/i586/rshift.S')
-rw-r--r-- | sysdeps/i386/i586/rshift.S | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/sysdeps/i386/i586/rshift.S b/sysdeps/i386/i586/rshift.S index db9326a442..29eded369b 100644 --- a/sysdeps/i386/i586/rshift.S +++ b/sysdeps/i386/i586/rshift.S @@ -1,5 +1,5 @@ /* Pentium optimized __mpn_rshift -- - Copyright (C) 1992, 94, 95, 96, 97, 98, 2000 Free Software Foundation, Inc. + Copyright (C) 1992,94,95,96,97,98,2000,2005 Free Software Foundation, Inc. This file is part of the GNU MP Library. The GNU MP Library is free software; you can redistribute it and/or modify @@ -33,13 +33,21 @@ ENTRY (BP_SYM (__mpn_rshift)) ENTER pushl %edi + cfi_adjust_cfa_offset (4) pushl %esi + cfi_adjust_cfa_offset (4) pushl %ebp + cfi_adjust_cfa_offset (4) + cfi_rel_offset (ebp, 0) pushl %ebx + cfi_adjust_cfa_offset (4) movl RES(%esp),%edi + cfi_rel_offset (edi, 12) movl S(%esp),%esi + cfi_rel_offset (esi, 8) movl SIZE(%esp),%ebx + cfi_rel_offset (ebx, 0) movl CNT(%esp),%ecx #if __BOUNDED_POINTERS__ shll $2, %ebx /* convert limbs to bytes */ @@ -64,9 +72,11 @@ L(normal): xorl %eax,%eax shrdl %cl,%edx,%eax /* compute carry limb */ pushl %eax /* push carry limb onto stack */ + cfi_adjust_cfa_offset (4) decl %ebx pushl %ebx + cfi_adjust_cfa_offset (4) shrl $3,%ebx jz L(end) @@ -110,6 +120,7 @@ L(oop): movl 28(%edi),%eax /* fetch destination cache line */ jnz L(oop) L(end): popl %ebx + cfi_adjust_cfa_offset (-4) andl $7,%ebx jz L(end2) L(oop2): @@ -127,11 +138,20 @@ L(end2): movl %edx,(%edi) /* store it */ popl %eax /* pop carry limb */ + cfi_adjust_cfa_offset (-4) popl %ebx + cfi_adjust_cfa_offset (-4) + cfi_restore (ebx) popl %ebp + cfi_adjust_cfa_offset (-4) + cfi_restore (ebp) popl %esi + cfi_adjust_cfa_offset (-4) + cfi_restore (esi) popl %edi + cfi_adjust_cfa_offset (-4) + cfi_restore (edi) LEAVE ret @@ -141,6 +161,11 @@ L(end2): function is documented to work for overlapping source and destination. */ + cfi_adjust_cfa_offset (16) + cfi_rel_offset (edi, 12) + cfi_rel_offset (esi, 8) + cfi_rel_offset (ebp, 4) + cfi_rel_offset (ebx, 3) L(special): leal -4(%edi,%ebx,4),%edi leal -4(%esi,%ebx,4),%esi @@ -150,6 +175,7 @@ L(special): decl %ebx pushl %ebx + cfi_adjust_cfa_offset (4) shrl $3,%ebx shrl $1,%edx @@ -199,6 +225,7 @@ L(Loop): L(Lend): popl %ebx + cfi_adjust_cfa_offset (-4) sbbl %eax,%eax /* save carry in %eax */ andl $7,%ebx jz L(Lend2) @@ -223,9 +250,17 @@ L(L1): movl %edx,(%edi) /* store last limb */ rcrl $1,%eax popl %ebx + cfi_adjust_cfa_offset (-4) + cfi_restore (ebx) popl %ebp + cfi_adjust_cfa_offset (-4) + cfi_restore (ebp) popl %esi + cfi_adjust_cfa_offset (-4) + cfi_restore (esi) popl %edi + cfi_adjust_cfa_offset (-4) + cfi_restore (edi) LEAVE ret |