From: Richard Henderson <rth@gcc.gnu.org>
Date: Mon, 6 Aug 2001 17:14:39 +0000 (-0700)
Subject: except.c (convert_from_eh_region_ranges_1): Never mark USE or CLOBBER insns as throwing.
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d7730f7a39dbbfb400ad22bb5aa6e9c5f4744763;p=platform%2Fupstream%2Fgcc.git

except.c (convert_from_eh_region_ranges_1): Never mark USE or CLOBBER insns as throwing.

        * except.c (convert_from_eh_region_ranges_1): Never mark
        USE or CLOBBER insns as throwing.

From-SVN: r44666
---

diff --git a/gcc/except.c b/gcc/except.c
index 4397cfc..3bedec9 100644
--- a/gcc/except.c
+++ b/gcc/except.c
@@ -1240,6 +1240,8 @@ convert_from_eh_region_ranges_1 (pinsns, orig_sp, cur)
 		  /* If we wanted exceptions for non-call insns, then
 		     any may_trap_p instruction could throw.  */
 		  || (flag_non_call_exceptions
+		      && GET_CODE (PATTERN (insn)) != CLOBBER
+		      && GET_CODE (PATTERN (insn)) != USE
 		      && may_trap_p (PATTERN (insn)))))
 	    {
 	      REG_NOTES (insn) = alloc_EXPR_LIST (REG_EH_REGION, GEN_INT (cur),