From: Richard Kenner <kenner@gcc.gnu.org>
Date: Sat, 7 May 1994 21:48:59 +0000 (-0400)
Subject: (emit_reload_insns): Don't try to delete output reload if there isn't
X-Git-Tag: misc/cutover-egcs-0~6678
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b87b7ecd734dd4b3713f4b417d968dc55fd04d4d;p=thirdparty%2Fgcc.git

(emit_reload_insns): Don't try to delete output reload if there isn't
one.

From-SVN: r7265
---

diff --git a/gcc/reload1.c b/gcc/reload1.c
index 5fb6de501eb5..f9ebc3f00127 100644
--- a/gcc/reload1.c
+++ b/gcc/reload1.c
@@ -5605,8 +5605,9 @@ emit_reload_insns (insn)
 	      && spill_reg_store[reload_spill_index[REGNO (oldequiv)]] != 0
 	      && dead_or_set_p (insn, reload_in[j])
 	      /* This is unsafe if operand occurs more than once in current
-	     insn.  Perhaps some occurrences weren't reloaded.  */
-	      && count_occurrences (PATTERN (insn), reload_in[j]) == 1)
+		 insn.  Perhaps some occurrences weren't reloaded.  */
+	      && count_occurrences (PATTERN (insn), reload_in[j]) == 1
+	      && spill_reg_store[spill_reg_order[REGNO (oldequiv)]] != 0)
 	    delete_output_reload
 	      (insn, j, spill_reg_store[spill_reg_order[REGNO (oldequiv)]]);