aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/i386/i586/lshift.S
diff options
context:
space:
mode:
authorGreg McGary <greg@mcgary.org>2000-06-09 06:14:39 +0000
committerGreg McGary <greg@mcgary.org>2000-06-09 06:14:39 +0000
commit3f02f778cdbec7d95e0a9d6f9368ce9cda0a6d03 (patch)
treea193d5f40640e64b7b6555e831772c1934e2a8d0 /sysdeps/i386/i586/lshift.S
parenta40fb915f89d0e225058c0865de4504f83f90173 (diff)
downloadglibc-3f02f778cdbec7d95e0a9d6f9368ce9cda0a6d03.tar
glibc-3f02f778cdbec7d95e0a9d6f9368ce9cda0a6d03.tar.gz
glibc-3f02f778cdbec7d95e0a9d6f9368ce9cda0a6d03.tar.bz2
glibc-3f02f778cdbec7d95e0a9d6f9368ce9cda0a6d03.zip
* sysdeps/i386/bp-asm.h: New file.
* sysdeps/i386/__longjmp.S: Define & use symbolic argument stack offsets. Add ENTER/LEAVE macros for optionally maintaining frame-pointer chain when debugging. * sysdeps/i386/add_n.S: Likewise. * sysdeps/i386/addmul_1.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/stpcpy.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/setjmp.S: Likewise. * sysdeps/i386/i486/strcat.S: Likewise. * sysdeps/i386/i486/strlen.S: Likewise. * sysdeps/i386/i586/add_n.S: Likewise. * sysdeps/i386/i586/lshift.S: Likewise. * sysdeps/i386/i586/memcpy.S: Likewise. * sysdeps/i386/i586/memset.S: Likewise. * sysdeps/i386/i586/rshift.S: Likewise. * sysdeps/i386/i586/strchr.S: Likewise. * sysdeps/i386/i586/strcpy.S: Likewise. * sysdeps/i386/i586/strlen.S: Likewise. * sysdeps/i386/i586/sub_n.S: Likewise. * sysdeps/i386/i686/add_n.S: Likewise. * sysdeps/i386/i686/memcpy.S: Likewise. * sysdeps/i386/i686/mempcpy.S: Likewise. * sysdeps/i386/i686/memset.S: Likewise. * sysdeps/i386/i686/strcmp.S: Likewise. 2000-06-08 Greg McGary <greg@mcgary.org> * sysdeps/i386/bp-asm.h: New file. * sysdeps/i386/__longjmp.S: Define & use symbolic argument stack offsets. Add ENTER/LEAVE macros for optionally maintaining frame-pointer chain when debugging. * sysdeps/i386/add_n.S: Likewise. * sysdeps/i386/addmul_1.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/stpcpy.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/setjmp.S: Likewise. * sysdeps/i386/i486/strcat.S: Likewise. * sysdeps/i386/i486/strlen.S: Likewise. * sysdeps/i386/i586/add_n.S: Likewise. * sysdeps/i386/i586/lshift.S: Likewise. * sysdeps/i386/i586/memcpy.S: Likewise. * sysdeps/i386/i586/memset.S: Likewise. * sysdeps/i386/i586/rshift.S: Likewise. * sysdeps/i386/i586/strchr.S: Likewise. * sysdeps/i386/i586/strcpy.S: Likewise. * sysdeps/i386/i586/strlen.S: Likewise. * sysdeps/i386/i586/sub_n.S: Likewise. * sysdeps/i386/i686/add_n.S: Likewise. * sysdeps/i386/i686/memcpy.S: Likewise. * sysdeps/i386/i686/mempcpy.S: Likewise. * sysdeps/i386/i686/memset.S: Likewise. * sysdeps/i386/i686/strcmp.S: Likewise.
Diffstat (limited to 'sysdeps/i386/i586/lshift.S')
-rw-r--r--sysdeps/i386/i586/lshift.S33
1 files changed, 19 insertions, 14 deletions
diff --git a/sysdeps/i386/i586/lshift.S b/sysdeps/i386/i586/lshift.S
index 22dc03ea65..d3f0da0062 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 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 modify
@@ -17,28 +17,29 @@
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA. */
-/*
- INPUT PARAMETERS
- res_ptr (sp + 4)
- s_ptr (sp + 8)
- size (sp + 12)
- cnt (sp + 16)
-*/
-
#include "sysdep.h"
#include "asm-syntax.h"
+#include "bp-asm.h"
+
+#define PARMS LINKAGE+16 /* space for 4 saved regs */
+#define RES PARMS
+#define S RES+PTR_SIZE
+#define SIZE S+PTR_SIZE
+#define CNT SIZE+4
-.text
+ .text
ENTRY(__mpn_lshift)
+ ENTER
+
pushl %edi
pushl %esi
pushl %ebx
pushl %ebp
- movl 20(%esp),%edi /* res_ptr */
- movl 24(%esp),%esi /* s_ptr */
- movl 28(%esp),%ebp /* size */
- movl 32(%esp),%ecx /* cnt */
+ movl RES(%esp),%edi
+ movl S(%esp),%esi
+ movl SIZE(%esp),%ebp
+ movl CNT(%esp),%ecx
/* We can use faster code for shift-by-1 under certain conditions. */
cmp $1,%ecx
@@ -127,6 +128,8 @@ L(end2):
popl %ebx
popl %esi
popl %edi
+
+ LEAVE
ret
/* We loop from least significant end of the arrays, which is only
@@ -216,5 +219,7 @@ L(L1): movl %edx,(%edi) /* store last limb */
popl %ebx
popl %esi
popl %edi
+
+ LEAVE
ret
END(__mpn_lshift)