i386.md (setcc + movzbl peephole2): Use reg_set_p.

	* config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
	(setcc + and peephole2): Likewise.

From-SVN: r237504

gcc/ChangeLog

 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
 
+	* config/i386/i386.md (setcc + movzbl peephole2): Use reg_set_p.
+	(setcc + and peephole2): Likewise.
+
 	PR rtl-optimization/71532
 	* cse.c (cse_insn): For const/pure calls, invalidate argument passing
 	memory slots.

gcc/config/i386/i386.md

@@ -11849,8 +11849,7 @@
   "(peep2_reg_dead_p (3, operands[1])
     || operands_match_p (operands[1], operands[3]))
    && ! reg_overlap_mentioned_p (operands[3], operands[0])
-   && ! (GET_CODE (operands[4]) == CLOBBER
-	 && reg_mentioned_p (operands[3], operands[4]))"
+   && ! reg_set_p (operands[3], operands[4])"
   [(parallel [(set (match_dup 5) (match_dup 0))
 	      (match_dup 4)])
    (set (strict_low_part (match_dup 6))
@@ -11894,8 +11893,7 @@
   "(peep2_reg_dead_p (3, operands[1])
     || operands_match_p (operands[1], operands[3]))
    && ! reg_overlap_mentioned_p (operands[3], operands[0])
-   && ! (GET_CODE (operands[4]) == CLOBBER
-	 && reg_mentioned_p (operands[3], operands[4]))"
+   && ! reg_set_p (operands[3], operands[4])"
   [(parallel [(set (match_dup 5) (match_dup 0))
 	      (match_dup 4)])
    (set (strict_low_part (match_dup 6))