re PR middle-end/82145 (i386/pr38988.c, i386/pr46254.c, i386/pr55154.c, i386/pr81766.c fails)

	PR target/82145
	* postreload.c (reload_cse_simplify_operands): Skip
	NOTE_INSN_DELETED_LABEL similarly to skipping CODE_LABEL.

	* gcc.target/i386/pr82145.c: New test.

From-SVN: r252791

gcc/ChangeLog

+2017-09-15  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/82145
+	* postreload.c (reload_cse_simplify_operands): Skip
+	NOTE_INSN_DELETED_LABEL similarly to skipping CODE_LABEL.
+
 2017-09-15  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/68823

gcc/postreload.c

@@ -409,9 +409,12 @@ reload_cse_simplify_operands (rtx_insn *insn, rtx testreg)
       CLEAR_HARD_REG_SET (equiv_regs[i]);
 
       /* cselib blows up on CODE_LABELs.  Trying to fix that doesn't seem
-	 right, so avoid the problem here.  Likewise if we have a constant
-         and the insn pattern doesn't tell us the mode we need.  */
+	 right, so avoid the problem here.  Similarly NOTE_INSN_DELETED_LABEL.
+	 Likewise if we have a constant and the insn pattern doesn't tell us
+	 the mode we need.  */
       if (LABEL_P (recog_data.operand[i])
+	  || (NOTE_P (recog_data.operand[i])
+	      && NOTE_KIND (recog_data.operand[i]) == NOTE_INSN_DELETED_LABEL)
 	  || (CONSTANT_P (recog_data.operand[i])
 	      && recog_data.operand_mode[i] == VOIDmode))
 	continue;

gcc/testsuite/ChangeLog

+2017-09-15  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/82145
+	* gcc.target/i386/pr82145.c: New test.
+
 2017-09-15  Paul Thomas  <pault@gcc.gnu.org>
 
 	PR fortran/82184

gcc/testsuite/gcc.target/i386/pr82145.c

+/* PR target/82145 */
+/* { dg-do compile { target { pie && lp64 } } } */
+/* { dg-options "-O2 -fpie -mcmodel=large -march=haswell" } */
+
+int l;
+
+int
+main ()
+{
+  l++;
+  return 0;
+}