2008-04-17 H.J. Lu <hongjiu.lu@intel.com>

[pf3gnuchains/gcc-fork.git] / gcc / config / arc / lib1funcs.asm

diff --git a/gcc/config/arc/lib1funcs.asm b/gcc/config/arc/lib1funcs.asm
index f058661..2d74cbe 100644 (file)
--- a/gcc/config/arc/lib1funcs.asm
+++ b/gcc/config/arc/lib1funcs.asm
@@ -1,6 +1,6 @@
-; libgcc1 routines for ARC cpu.
+; libgcc routines for ARC cpu.
 
-/* Copyright (C) 1995, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1997,2004 Free Software Foundation, Inc.
 
 This file is free software; you can redistribute it and/or modify it
 under the terms of the GNU General Public License as published by the
@@ -22,9 +22,9 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 General Public License for more details.
 
 You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+along with GCC; see the file COPYING.  If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
 
 #ifdef  L_mulsi3
        .section .text
@@ -89,8 +89,12 @@ ___umulsidi3:
        nop
        beq.nd .Ldone
        and.f 0,r0,1            ; if (a & 1)
-       add.nz r4,r4,r1         ; r += b
-       adc.nz r3,r3,r2
+       sub.f 0,r0,0
+       nop
+       beq .Ldontadd
+       add.f r4,r4,r1          ; r += b
+       adc   r3,r3,r2
+.Ldontadd:
        lsr r0,r0               ; a >>= 1
        lsl.f r1,r1             ; b <<= 1
        b.d .Lloop