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authorJim Wilson <wilson@redhat.com>2002-09-20 23:36:30 +0000
committerJim Wilson <wilson@gcc.gnu.org>2002-09-20 16:36:30 -0700
commit2f0da74c47f38593e6e5d21eed97d9c4447fd88e (patch)
tree8aa68aff088a1c1c7c5abad0361c1bddac524ecb /gcc
parentdea7379019da21674e38abaa27917a8596c5780f (diff)
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Don't clobber app register r5 in muldi3.
* config/v850/v850/lib1funcs.asm (__muldi3): Change r5 to r28. From-SVN: r57375
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog4
-rw-r--r--gcc/config/v850/lib1funcs.asm14
2 files changed, 11 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9e4c8b1..bc33b2f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2002-09-20 Jim Wilson <wilson@redhat.com>
+
+ * config/v850/v850/lib1funcs.asm (__muldi3): Change r5 to r28.
+
2002-09-20 Jakub Jelinek <jakub@redhat.com>
* config/i386/i386.md (UNSPEC_GOTNTPOFF, UNSPEC_INDNTPOFF): New.
diff --git a/gcc/config/v850/lib1funcs.asm b/gcc/config/v850/lib1funcs.asm
index 2415f91..c5350aa 100644
--- a/gcc/config/v850/lib1funcs.asm
+++ b/gcc/config/v850/lib1funcs.asm
@@ -1765,10 +1765,10 @@ ___muldi3:
#ifdef __v850__
jarl __save_r26_r31, r10
addi 16, sp, sp
- mov r6, r5
- shr 15, r5
+ mov r6, r28
+ shr 15, r28
movea lo(32767), r0, r14
- and r14, r5
+ and r14, r28
mov r8, r10
shr 15, r10
and r14, r10
@@ -1807,16 +1807,16 @@ ___muldi3:
mov r6, r15
mulh r31, r15
mulh r12, r6
- mov r5, r17
+ mov r28, r17
mulh r10, r17
add -16, sp
- mov r5, r12
+ mov r28, r12
mulh r8, r12
add r17, r18
- mov r5, r17
+ mov r28, r17
mulh r31, r17
add r12, r16
- mov r5, r12
+ mov r28, r12
mulh r13, r12
add r17, r6
mov r19, r17