ARM: Use __aeabi_idiv

[Daniel Jacobowitz]

I've committed this obvious patch to csl-arm-branch, and will commit it
to mainline when unfrozen.  __aeabi_idiv was implemented more recently
than __aeabi_idivmod, but it's faster, so we should use it.

-- 
Daniel Jacobowitz
CodeSourcery, LLC

2005-10-18  Daniel Jacobowitz  <dan@codesourcery.com>

	* config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
	__aeabi_uidiv.

Index: config/arm/arm.c
===================================================================
RCS file: /scratch/gcc/repos/gcc/gcc/gcc/config/arm/arm.c,v
retrieving revision 1.481
diff -u -p -r1.481 arm.c
--- config/arm/arm.c	10 Oct 2005 07:57:21 -0000	1.481
+++ config/arm/arm.c	18 Oct 2005 02:11:11 -0000
@@ -786,8 +786,11 @@ arm_init_libfuncs (void)
      routines.  */
   set_optab_libfunc (sdiv_optab, DImode, "__aeabi_ldivmod");
   set_optab_libfunc (udiv_optab, DImode, "__aeabi_uldivmod");
-  set_optab_libfunc (sdiv_optab, SImode, "__aeabi_idivmod");
-  set_optab_libfunc (udiv_optab, SImode, "__aeabi_uidivmod");
+
+  /* For SImode division the ABI provides div-without-mod routines,
+     which are faster.  */
+  set_optab_libfunc (sdiv_optab, SImode, "__aeabi_idiv");
+  set_optab_libfunc (udiv_optab, SImode, "__aeabi_uidiv");
 
   /* We don't have mod libcalls.  Fortunately gcc knows how to use the
      divmod libcalls instead.  */