I've committed the attached patch to fix PR target/60039
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60039
which is a regression from 4.5 for some sh3 users.
Tested on sh4-unknown-linux-gnu with -mdiv=call-div1.
I'd like to backport it to 4.8 in a week or two as usual.
Regards,
kaz
--
2014-03-19 Kaz Kojima <kkoj...@gcc.gnu.org>
PR target/60039
* config/sh/sh.md (udivsi3_i1): Clobber R1 register.
--- ORIG/trunk/gcc/config/sh/sh.md 2014-03-02 09:49:58.000000000 +0900
+++ trunk/gcc/config/sh/sh.md 2014-03-18 14:43:26.515319735 +0900
@@ -2314,6 +2314,7 @@
(udiv:SI (reg:SI R4_REG) (reg:SI R5_REG)))
(clobber (reg:SI T_REG))
(clobber (reg:SI PR_REG))
+ (clobber (reg:SI R1_REG))
(clobber (reg:SI R4_REG))
(use (match_operand:SI 1 "arith_reg_operand" "r"))]
"TARGET_SH1 && TARGET_DIVIDE_CALL_DIV1"
