[Bug target/60039] sh3 optimisation bug with -O2

[kkojima at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60039

--- Comment #7 from Kazumoto Kojima <kkojima at gcc dot gnu.org> ---
Ugh, then this is an old problem and we've missed to give a correct
clobber information to udivsi3_i1 insn for PIC.  Does the patch
below fix the issue?

--- gcc/config/sh/sh.md.orig    2013-09-13 17:38:22.000000000 +0900
+++ gcc/config/sh/sh.md    2014-03-18 11:08:19.868887133 +0900
@@ -2152,6 +2152,7 @@
     (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"