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re PR middle-end/37730 (gcc.c-torture/compile/pr37713.c ICEs at -O3 -msse2) 

PR middle-end/37730
	* expr.c (store_constructor): For vectors, if target is a MEM, use
	target's MEM_ALIAS_SET instead of elttype alias set.

	* gcc.dg/vect/pr37730.c: New test.

From-SVN: r141461
This commit is contained in:
Jakub Jelinek 2008-10-30 13:49:31 +01:00 committed by Jakub Jelinek
parent 8ec6daa568
commit 723a7cedae
4 changed files with 33 additions and 2 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2008-10-30 Jakub Jelinek <jakub@redhat.com>
PR middle-end/37730
* expr.c (store_constructor): For vectors, if target is a MEM, use
target's MEM_ALIAS_SET instead of elttype alias set.
2008-10-29 Kaz Kojima <kkojima@gcc.gnu.org>
PR target/37909

10
gcc/expr.c
View File

@ -5579,6 +5579,7 @@ store_constructor (tree exp, rtx target, int cleared, HOST_WIDE_INT size)
HOST_WIDE_INT bitpos;
rtvec vector = NULL;
unsigned n_elts;
alias_set_type alias;
gcc_assert (eltmode != BLKmode);
@ -5630,7 +5631,7 @@ store_constructor (tree exp, rtx target, int cleared, HOST_WIDE_INT size)
if (need_to_clear && size > 0 && !vector)
{
if (REG_P (target))
emit_move_insn (target, CONST0_RTX (GET_MODE (target)));
emit_move_insn (target, CONST0_RTX (GET_MODE (target)));
else
clear_storage (target, GEN_INT (size), BLOCK_OP_NORMAL);
cleared = 1;
@ -5640,6 +5641,11 @@ store_constructor (tree exp, rtx target, int cleared, HOST_WIDE_INT size)
if (!cleared && !vector && REG_P (target))
emit_move_insn (target, CONST0_RTX (GET_MODE (target)));
if (MEM_P (target))
alias = MEM_ALIAS_SET (target);
else
alias = get_alias_set (elttype);
/* Store each element of the constructor into the corresponding
element of TARGET, determined by counting the elements. */
for (idx = 0, i = 0;
@ -5675,7 +5681,7 @@ store_constructor (tree exp, rtx target, int cleared, HOST_WIDE_INT size)
bitpos = eltpos * elt_size;
store_constructor_field (target, bitsize, bitpos,
value_mode, value, type,
cleared, get_alias_set (elttype));
cleared, alias);
}
}

3
gcc/testsuite/ChangeLog
View File

@ -1,5 +1,8 @@
2008-10-30 Jakub Jelinek <jakub@redhat.com>
PR middle-end/37730
* gcc.dg/vect/pr37730.c: New test.
PR debug/36668
* g++.dg/other/PR23205.C: Allow foobar to be defined as variable.
* g++.dg/other/pr23205-2.C: New test.

16
gcc/testsuite/gcc.dg/vect/pr37730.c Normal file
View File

@ -0,0 +1,16 @@
/* PR middle-end/37730 */
/* { dg-do compile } */
void
add_opush (void)
{
unsigned char formats[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0xff };
void *dtds[sizeof (formats)];
unsigned int i;
unsigned char dtd = 0x08;
for (i = 0; i < sizeof (formats); i++)
dtds[i] = &dtd;
sdp_seq_alloc (dtds);
}
/* { dg-final { cleanup-tree-dump "vect" } } */