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re PR middle-end/33273 (FAIL: 27_io/basic_istream/ignore/char/1.cc (test for excess errors))

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PR middle-end/33273
	* expr.c (store_expr): Call adjust_address to change mode of dest_mem
	to BLKmode.

From-SVN: r128537
This commit is contained in:
John David Anglin 2007-09-17 02:13:23 +00:00 committed by John David Anglin
parent 9317b6af4e
commit b62a2e1534
2 changed files with 8 additions and 1 deletions

6
gcc/ChangeLog

@ -1,3 +1,9 @@
2007-09-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR middle-end/33273
* expr.c (store_expr): Call adjust_address to change mode of dest_mem
to BLKmode.
2007-09-16 Richard Sandiford <rsandifo@nildram.co.uk>
* dse.c (find_shift_sequence): Allow word as well as subword shifts.

3
gcc/expr.c

@ -4541,7 +4541,8 @@ store_expr (tree exp, rtx target, int call_param_p, bool nontemporal)
MEM_ALIGN (target), false,
exp_len > str_copy_len ? 1 : 0);
if (exp_len > str_copy_len)
clear_storage (dest_mem, GEN_INT (exp_len - str_copy_len),
clear_storage (adjust_address (dest_mem, BLKmode, 0),
GEN_INT (exp_len - str_copy_len),
BLOCK_OP_NORMAL);
return NULL_RTX;
}