unroll.c (loop_iterations): Return 0 if the last loop insn is not a jump insn or...

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	* unroll.c (loop_iterations): Return 0 if the last loop insn
	is not a jump insn or if the loop has multiple back edges.

From-SVN: r24679

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f15b2c4..1df7421 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Fri Jan 15 11:02:31 1999   Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+       * unroll.c (loop_iterations): Return 0 if the last loop insn
+       is not a jump insn or if the loop has multiple back edges.
+
 Thu Jan 14 22:38:41 1999  Jeffrey A Law  (law@cygnus.com)
 
        * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share