[src/trunk]: src Avoid leaving junk in the top half of R0 on return.

[bjh21 <bjh21%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/6a469e014342
branches:  trunk
changeset: 533481:6a469e014342
user:      bjh21 <bjh21%NetBSD.org@localhost>
date:      Mon Jul 01 19:07:18 2002 +0000

description:
Avoid leaving junk in the top half of R0 on return.
This fixes port-arm/17440.

diffstat:

 lib/libc/arch/arm/gen/byte_swap_2.S    |  8 ++++----
 sys/lib/libkern/arch/arm/byte_swap_2.S |  8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diffs (44 lines):

diff -r 90f355ab6ef0 -r 6a469e014342 lib/libc/arch/arm/gen/byte_swap_2.S
--- a/lib/libc/arch/arm/gen/byte_swap_2.S       Mon Jul 01 18:49:57 2002 +0000
+++ b/lib/libc/arch/arm/gen/byte_swap_2.S       Mon Jul 01 19:07:18 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: byte_swap_2.S,v 1.1 2000/12/29 20:13:47 bjh21 Exp $    */
+/*     $NetBSD: byte_swap_2.S,v 1.2 2002/07/01 19:07:18 bjh21 Exp $    */
 
 /*-
  * Copyright (c) 1999 The NetBSD Foundation, Inc.
@@ -42,9 +42,9 @@
 _ENTRY(_C_LABEL(ntohs))
 _ENTRY(_C_LABEL(htons))
 _PROF_PROLOGUE
-       and             r1, r0, #0xFF00
-       mov             r0, r0, lsl #8
-       orr             r0, r0, r1, lsr #8
+       and             r1, r0, #0xff
+       mov             r0, r0, lsr #8
+       orr             r0, r0, r1, lsl #8
 #ifdef __APCS_26__
        movs            pc, lr
 #else
diff -r 90f355ab6ef0 -r 6a469e014342 sys/lib/libkern/arch/arm/byte_swap_2.S
--- a/sys/lib/libkern/arch/arm/byte_swap_2.S    Mon Jul 01 18:49:57 2002 +0000
+++ b/sys/lib/libkern/arch/arm/byte_swap_2.S    Mon Jul 01 19:07:18 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: byte_swap_2.S,v 1.1 2000/12/29 20:51:57 bjh21 Exp $    */
+/*     $NetBSD: byte_swap_2.S,v 1.2 2002/07/01 19:07:19 bjh21 Exp $    */
 
 /*-
  * Copyright (c) 1999 The NetBSD Foundation, Inc.
@@ -42,9 +42,9 @@
 _ENTRY(_C_LABEL(ntohs))
 _ENTRY(_C_LABEL(htons))
 _PROF_PROLOGUE
-       and             r1, r0, #0xFF00
-       mov             r0, r0, lsl #8
-       orr             r0, r0, r1, lsr #8
+       and             r1, r0, #0xff
+       mov             r0, r0, lsr #8
+       orr             r0, r0, r1, lsl #8
 #ifdef __APCS_26__
        movs            pc, lr
 #else