2.5-18.1

[jlayton/glibc.git] / sysdeps / i386 / i586 / lshift.S

diff --git a/sysdeps/i386/i586/lshift.S b/sysdeps/i386/i586/lshift.S
index 59d587934eaaccec4599024cd46c1e6f9326b120..bc73ee6f3cd9a264feea41ae2bc8b71afa42d7e2 100644 (file)
--- 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 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 C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -33,13 +33,21 @@ 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 */
@@ -67,9 +75,11 @@ 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)
 
@@ -113,6 +123,7 @@ 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):
@@ -130,11 +141,20 @@ 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
@@ -144,12 +164,18 @@ 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
@@ -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 */
        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