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re PR middle-end/56461 (GCC is leaking lots of memory)

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PR middle-end/56461
	* tree-vect-stmts.c (vectorizable_shift): Don't call create methods
	on vec_oprnds0 or vec_oprnds1 before loop, only call it on
	vec_oprnds1 right before pushing anything to it for
	scalar_shift_arg.

From-SVN: r196425
This commit is contained in:
Jakub Jelinek 2013-03-04 11:06:22 +01:00 committed by Jakub Jelinek
parent 541d9ac892
commit 8930f7239b
2 changed files with 15 additions and 22 deletions
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21
gcc/ChangeLog
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@ -1,5 +1,11 @@
2013-03-04 Jakub Jelinek <jakub@redhat.com>
PR middle-end/56461
* tree-vect-stmts.c (vectorizable_shift): Don't call create methods
on vec_oprnds0 or vec_oprnds1 before loop, only call it on
vec_oprnds1 right before pushing anything to it for
scalar_shift_arg.
PR middle-end/56461
* tree-vect-loop.c (destroy_loop_vec_info): For !clean_stmts, just
set nbbs to 0 instead of having separate code path.
@ -16,16 +22,17 @@
TARGET_OPTION_PRAGMA_PARSE. Also copy-edit and correct markup.
* doc/tm.texi: Regenerated.
2013-03-02 David Holsgrove <david.holsgrove@xilinx.com>
2013-03-02 David Holsgrove <david.holsgrove@xilinx.com>
* config/microblaze/microblaze.c:
* config/microblaze/microblaze.c:
Check mcpu, pcmp requirement and set TARGET_REORDER to 0 if not met.
* config/microblaze/microblaze.h: Add -mxl-reorder to DRIVER_SELF_SPECS
* config/microblaze/microblaze.md: New bswapsi2 and bswaphi2
instructions emitted if TARGET_REORDER
* config/microblaze/microblaze.opt: New option -mxl-reorder set to 1
* config/microblaze/microblaze.h: Add -mxl-reorder to
DRIVER_SELF_SPECS.
* config/microblaze/microblaze.md: New bswapsi2 and bswaphi2.
instructions emitted if TARGET_REORDER.
* config/microblaze/microblaze.opt: New option -mxl-reorder set to 1
or 0 for -m/-mno case, but initialises as 2 to detect default use case
separately
separately.
2013-03-01 Xinliang David Li <davidxl@google.com>

16
gcc/tree-vect-stmts.c
View File

@ -3335,21 +3335,6 @@ vectorizable_shift (gimple stmt, gimple_stmt_iterator *gsi,
/* Handle def. */
vec_dest = vect_create_destination_var (scalar_dest, vectype);
/* Allocate VECs for vector operands. In case of SLP, vector operands are
created in the previous stages of the recursion, so no allocation is
needed, except for the case of shift with scalar shift argument. In that
case we store the scalar operand in VEC_OPRNDS1 for every vector stmt to
be created to vectorize the SLP group, i.e., SLP_NODE->VEC_STMTS_SIZE.
In case of loop-based vectorization we allocate VECs of size 1. We
allocate VEC_OPRNDS1 only in case of binary operation. */
if (!slp_node)
{
vec_oprnds0.create (1);
vec_oprnds1.create (1);
}
else if (scalar_shift_arg)
vec_oprnds1.create (slp_node->vec_stmts_size);
prev_stmt_info = NULL;
for (j = 0; j < ncopies; j++)
{
@ -3369,6 +3354,7 @@ vectorizable_shift (gimple stmt, gimple_stmt_iterator *gsi,
dump_printf_loc (MSG_NOTE, vect_location,
"operand 1 using scalar mode.");
vec_oprnd1 = op1;
vec_oprnds1.create (slp_node ? slp_node->vec_stmts_size : 1);
vec_oprnds1.quick_push (vec_oprnd1);
if (slp_node)
{