re PR target/66930 (gengtype.c is miscompiled during stage2)

gcc/
	PR target/66930
	* config/sh/sh.c (sh_split_movrt_negc_to_movt_xor): Add missing
	T bit register modified_between_p check.

From-SVN: r226218

gcc/ChangeLog

+2015-07-25  Oleg Endo  <olegendo@gcc.gnu.org>
+
+	PR target/66930
+	* config/sh/sh.c (sh_split_movrt_negc_to_movt_xor): Add missing
+	T bit register modified_between_p check.
+
 2015-07-25  Uros Bizjak  <ubizjak@gmail.com>
 
 	* config/i386/i386.c: Use SUBREG_P predicate.

gcc/config/sh/sh.c

@@ -13888,6 +13888,7 @@ sh_split_movrt_negc_to_movt_xor (rtx_insn* curr_insn, rtx operands[])
       && !sh_insn_operands_modified_between_p (t_before_negc.insn,
 					       t_before_negc.insn,
 					       t_after_negc.insn)
+      && !modified_between_p (get_t_reg_rtx (), curr_insn, t_after_negc.insn)
       && !sh_unspec_insn_p (t_after_negc.insn)
       && !volatile_insn_p (PATTERN (t_after_negc.insn))
       && !side_effects_p (PATTERN (t_after_negc.insn))