* except.c (can_throw_internal): Notice RESX instructions.

From-SVN: r82281

* except.c (can_throw_internal): Notice RESX instructions.
From-SVN: r82281
f00d196d · Jan Hubicka · Jan Hubicka · 963e23c5 · f00d196d · f00d196d
Commit f00d196d authored May 26, 2004 by Jan Hubicka Committed by Jan Hubicka May 26, 2004
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gcc/except.c
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2004-05-26  Jan Hubicka  <jh@suse.cz>
+
+	* except.c (can_throw_internal):  Notice RESX instructions.
+
 2004-05-26  Eric Botcazou  <ebotcazou@act-europe.fr>

 	* varasm.c (output_constant) <INTEGER_TYPE>: Pass the minimum

--- a/gcc/except.c
+++ b/gcc/except.c
@@ -3145,6 +3145,11 @@ can_throw_internal (rtx insn)
      return false;
    }

+  if (GET_CODE (insn) == JUMP_INSN
+      && GET_CODE (PATTERN (insn)) == RESX
+      && XINT (PATTERN (insn), 0) > 0)
+    return can_throw_internal_1 (XINT (PATTERN (insn), 0));
+
  /* Every insn that might throw has an EH_REGION note.  */
  note = find_reg_note (insn, REG_EH_REGION, NULL_RTX);
  if (!note || INTVAL (XEXP (note, 0)) <= 0)