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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)
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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