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Call scev_analyzable_p only on is_gimple_reg.

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2010-07-26  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c
	(rewrite_commutative_reductions_out_of_ssa_loop): Call
	scev_analyzable_p only on is_gimple_reg

	* gcc.dg/graphite/id-25.c: New.

From-SVN: r163158
This commit is contained in:
Sebastian Pop 2010-08-11 20:29:51 +00:00 committed by Sebastian Pop
parent 1c2a7491be
commit 4ee23fa874
5 changed files with 56 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2010-08-02 Sebastian Pop <sebastian.pop@amd.com>
* graphite-sese-to-poly.c
(rewrite_commutative_reductions_out_of_ssa_loop): Call
scev_analyzable_p only on is_gimple_reg
2010-08-02 Sebastian Pop <sebastian.pop@amd.com>
* graphite-sese-to-poly.c (propagate_expr_outside_region): New.

8
gcc/ChangeLog.graphite
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@ -1,3 +1,11 @@
2010-07-26 Sebastian Pop <sebastian.pop@amd.com>
* graphite-sese-to-poly.c
(rewrite_commutative_reductions_out_of_ssa_loop): Call
scev_analyzable_p only on is_gimple_reg
* gcc.dg/graphite/id-25.c: New.
2010-07-22 Sebastian Pop <sebastian.pop@amd.com>
* graphite-sese-to-poly.c (propagate_expr_outside_region): New.

5
gcc/graphite-sese-to-poly.c
View File

@ -2950,12 +2950,15 @@ rewrite_commutative_reductions_out_of_ssa_loop (loop_p loop,
{
gimple_stmt_iterator gsi;
edge exit = single_exit (loop);
tree res;
if (!exit)
return;
for (gsi = gsi_start_phis (exit->dest); !gsi_end_p (gsi); gsi_next (&gsi))
if (!scev_analyzable_p (gimple_phi_result (gsi_stmt (gsi)), region))
if ((res = gimple_phi_result (gsi_stmt (gsi)))
&& is_gimple_reg (res)
&& !scev_analyzable_p (res, region))
rewrite_commutative_reductions_out_of_ssa_close_phi (gsi_stmt (gsi),
reductions);
}

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2010-08-02 Sebastian Pop <sebastian.pop@amd.com>
* gcc.dg/graphite/id-25.c: New.
2010-08-02 Sebastian Pop <sebastian.pop@amd.com>
* gcc.dg/graphite/run-id-5.c: New.

34
gcc/testsuite/gcc.dg/graphite/id-25.c Normal file
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@ -0,0 +1,34 @@
typedef struct
{
int mvd[2][(16/4)][(16/4)][2];
} Macroblock;
typedef struct
{
int part_size[8][2];
} InputParameters;
typedef struct
{
Macroblock *mb_data;
short****** pred_mv;
short****** all_mv;
} ImageParameters;
extern InputParameters *input;
extern ImageParameters *img;
int writeMotionVector8x8 (void)
{
int i, j, k, l, m;
int step_h = input->part_size[7][0];
int step_v = input->part_size[7][1];
Macroblock* currMB = &img->mb_data[9];
int refindex = 0;
short****** all_mv = img->all_mv;
short****** pred_mv = img->pred_mv;
for (k=0; k<2; k++)
{
int curr_mvd = all_mv[2][8][0][8][7][8] - pred_mv[2][7][0][8][7][0];
for (l=0; l < step_v; l++)
for (m=0; m < step_h; m++)
currMB->mvd[0][8][9][8] = curr_mvd;
}
}