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authorUlrich Drepper <drepper@redhat.com>2001-04-11 19:57:49 +0000
committerUlrich Drepper <drepper@redhat.com>2001-04-11 19:57:49 +0000
commit8ee355155102ad7c2e473f179f4879c6e468f19e (patch)
tree2000ed58ca5f2a4d73a2b538b06244ba73fe8436 /sysdeps/ia64/memcmp.S
parent87d5c92d117ad749bfc7dd30a3dd826cecbc563e (diff)
Update.
2001-04-11 David Mosberger <davidm@hpl.hp.com> * sysdeps/ia64/htonl.S: Drop superfluous "alloc". * sysdeps/ia64/htons.S: Likewise. * sysdeps/ia64/memset.S: Add unwind directives. * sysdeps/ia64/strncpy.S: Likewise. * sysdeps/ia64/strcat.S: Likewise. * sysdeps/ia64/memccpy.S: Add unwind directives. Drop superfluous restore of ar.pfs. * sysdeps/ia64/strchr.S: Likewise. * sysdeps/ia64/memmove.S: Likewise. * sysdeps/ia64/memcpy.S: Likewise. * sysdeps/ia64/memcmp.S: Likewise. * sysdeps/ia64/memchr.S: Likewise. * sysdeps/ia64/strcmp.S: Likewise. * sysdeps/ia64/strlen.S: Likewise. * sysdeps/ia64/strcpy.S: Likewise. * sysdeps/ia64/strncmp.S: Likewise.
Diffstat (limited to 'sysdeps/ia64/memcmp.S')
-rw-r--r--sysdeps/ia64/memcmp.S11
1 files changed, 6 insertions, 5 deletions
diff --git a/sysdeps/ia64/memcmp.S b/sysdeps/ia64/memcmp.S
index 2e4f2ec967..c08f0d2b04 100644
--- a/sysdeps/ia64/memcmp.S
+++ b/sysdeps/ia64/memcmp.S
@@ -1,6 +1,6 @@
/* Optimized version of the standard memcmp() function.
This file is part of the GNU C Library.
- Copyright (C) 2000 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2001 Free Software Foundation, Inc.
Contributed by Dan Pop <Dan.Pop@cern.ch>.
The GNU C Library is free software; you can redistribute it and/or
@@ -40,7 +40,6 @@
#define OPSIZ 8
#define MEMLAT 2
-#define saved_pfs r14
#define start r15
#define saved_pr r17
#define saved_lc r18
@@ -56,14 +55,18 @@
#define loopcnt r30
ENTRY(memcmp)
- alloc saved_pfs = ar.pfs, 3, 37, 0, 40
+ .prologue
+ alloc r2 = ar.pfs, 3, 37, 0, 40
.rotr r[MEMLAT + 2], q[MEMLAT + 5], tmp1[4], tmp2[4], val[2]
.rotp p[MEMLAT + 4 + 1]
mov ret0 = r0 // by default return value = 0
+ .save pr, saved_pr
mov saved_pr = pr // save the predicate registers
+ .save ar.lc, saved_lc
mov saved_lc = ar.lc // save the loop counter
+ .body
mov dest = in0 // dest
mov src = in1 // src
mov len = in2 // len
@@ -126,7 +129,6 @@ ENTRY(memcmp)
cmp.ltu p6, p7 = value2, value1 ;;
(p6) mov ret0 = -1
(p7) mov ret0 = 1
- mov ar.pfs = saved_pfs // restore the PFS
mov pr = saved_pr, -1 // restore the predicate registers
mov ar.lc = saved_lc // restore the loop counter
br.ret.sptk.many b0
@@ -154,7 +156,6 @@ ENTRY(memcmp)
.done:
(p6) sub ret0 = value2, value1 // don't execute it if falling thru
.restore_and_exit:
- mov ar.pfs = saved_pfs // restore the PFS
mov pr = saved_pr, -1 // restore the predicate registers
mov ar.lc = saved_lc // restore the loop counter
br.ret.sptk.many b0