diff options
Diffstat (limited to 'sysdeps/i386/i586/lshift.S')
| -rw-r--r-- | sysdeps/i386/i586/lshift.S | 37 |
1 files changed, 1 insertions, 36 deletions
diff --git a/sysdeps/i386/i586/lshift.S b/sysdeps/i386/i586/lshift.S index bc73ee6f3c..59d587934e 100644 --- a/sysdeps/i386/i586/lshift.S +++ b/sysdeps/i386/i586/lshift.S @@ -1,5 +1,5 @@ /* Pentium optimized __mpn_lshift -- - Copyright (C) 1992,94,95,96,97,98,2000,2005 Free Software Foundation, Inc. + Copyright (C) 1992, 94, 95, 96, 97, 98, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -33,21 +33,13 @@ ENTRY (BP_SYM (__mpn_lshift)) 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 */ @@ -75,11 +67,9 @@ L(normal): xorl %eax,%eax shldl %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) @@ -123,7 +113,6 @@ 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): @@ -141,20 +130,11 @@ 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 @@ -164,18 +144,12 @@ 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, 0) L(special): movl (%esi),%edx addl $4,%esi decl %ebx pushl %ebx - cfi_adjust_cfa_offset (4) shrl $3,%ebx addl %edx,%edx @@ -225,7 +199,6 @@ L(Loop): L(Lend): popl %ebx - cfi_adjust_cfa_offset (-4) sbbl %eax,%eax /* save carry in %eax */ andl $7,%ebx jz L(Lend2) @@ -250,17 +223,9 @@ L(L1): movl %edx,(%edi) /* store last limb */ negl %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 |