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8d9e73cc · Richard Stallman · 9a631e8e · 8d9e73cc
Commit 8d9e73cc authored Apr 25, 1992 by Richard Stallman
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Showing with 3 additions and 2 deletions

gcc/optabs.c
+3 -2

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--- a/gcc/optabs.c
+++ b/gcc/optabs.c
@@ -1354,8 +1354,9 @@ emit_libcall_block (insns, target, result, equiv)

      if (set != 0 && GET_CODE (SET_DEST (set)) == REG
 	  && REGNO (SET_DEST (set)) >= FIRST_PSEUDO_REGISTER
-	  && ! reg_mentioned_p (SET_DEST (set), PATTERN (insns))
-	  && ! reg_used_between_p (SET_DEST (set), insns, insn))
+	  && (insn == insns
+	      || (! reg_mentioned_p (SET_DEST (set), PATTERN (insns))
+		  && ! reg_used_between_p (SET_DEST (set), insns, insn))))
 	{
 	  if (PREV_INSN (insn))
 	    NEXT_INSN (PREV_INSN (insn)) = next;