2006-10-24 Richard Guenther <rguenther@suse.de>

[pf3gnuchains/gcc-fork.git] / gcc / expmed.c

diff --git a/gcc/expmed.c b/gcc/expmed.c
index 6f4e331..0f3a14d 100644 (file)
--- a/gcc/expmed.c
+++ b/gcc/expmed.c
@@ -2217,7 +2217,9 @@ expand_shift (enum tree_code code, enum machine_mode mode, rtx shifted,
       && GET_CODE (op1) == CONST_INT
       && INTVAL (op1) > 0
       && INTVAL (op1) < GET_MODE_BITSIZE (mode)
-      && shift_cost[mode][INTVAL (op1)] > INTVAL (op1) * add_cost[mode])
+      && INTVAL (op1) < MAX_BITS_PER_WORD
+      && shift_cost[mode][INTVAL (op1)] > INTVAL (op1) * add_cost[mode]
+      && shift_cost[mode][INTVAL (op1)] != MAX_COST)
     {
       int i;
       for (i = 0; i < INTVAL (op1); i++)