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re PR tree-optimization/68799 (lto ICE on powerpc64le-linux-gnu builing python 2.7.x) 

2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/68799
	* gimple-ssa-strength-reduction.c (create_phi_basis): Directly
	look up phi candidates in the statement-candidate map.
	(phi_add_costs): Likewise.
	(record_phi_increments): Likewise.
	(phi_incr_cost): Likewise.
	(ncd_with_phi): Likewise.
	(all_phi_incrs_profitable): Likewise.

From-SVN: r232491
This commit is contained in:
Bill Schmidt 2016-01-18 02:43:06 +00:00 committed by William Schmidt
parent 43d57b29d1
commit 5b3d5f769b
2 changed files with 17 additions and 6 deletions
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11
gcc/ChangeLog
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@ -1,3 +1,14 @@
2016-01-17 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
PR tree-optimization/68799
* gimple-ssa-strength-reduction.c (create_phi_basis): Directly
look up phi candidates in the statement-candidate map.
(phi_add_costs): Likewise.
(record_phi_increments): Likewise.
(phi_incr_cost): Likewise.
(ncd_with_phi): Likewise.
(all_phi_incrs_profitable): Likewise.
2016-01-17 Jakub Jelinek <jakub@redhat.com>
* omp-low.c (mark_loops_in_oacc_kernels_region): Work around

12
gcc/gimple-ssa-strength-reduction.c
View File

@ -2230,7 +2230,7 @@ create_phi_basis (slsr_cand_t c, gimple *from_phi, tree basis_name,
slsr_cand_t basis = lookup_cand (c->basis);
int nargs = gimple_phi_num_args (from_phi);
basic_block phi_bb = gimple_bb (from_phi);
slsr_cand_t phi_cand = base_cand_from_table (gimple_phi_result (from_phi));
slsr_cand_t phi_cand = *stmt_cand_map->get (from_phi);
auto_vec<tree> phi_args (nargs);
/* Process each argument of the existing phi that represents
@ -2339,7 +2339,7 @@ phi_add_costs (gimple *phi, slsr_cand_t c, int one_add_cost)
{
unsigned i;
int cost = 0;
slsr_cand_t phi_cand = base_cand_from_table (gimple_phi_result (phi));
slsr_cand_t phi_cand = *stmt_cand_map->get (phi);
/* If we work our way back to a phi that isn't dominated by the hidden
basis, this isn't a candidate for replacement. Indicate this by
@ -2550,7 +2550,7 @@ static void
record_phi_increments (slsr_cand_t basis, gimple *phi)
{
unsigned i;
slsr_cand_t phi_cand = base_cand_from_table (gimple_phi_result (phi));
slsr_cand_t phi_cand = *stmt_cand_map->get (phi);
for (i = 0; i < gimple_phi_num_args (phi); i++)
{
@ -2622,7 +2622,7 @@ phi_incr_cost (slsr_cand_t c, const widest_int &incr, gimple *phi,
unsigned i;
int cost = 0;
slsr_cand_t basis = lookup_cand (c->basis);
slsr_cand_t phi_cand = base_cand_from_table (gimple_phi_result (phi));
slsr_cand_t phi_cand = *stmt_cand_map->get (phi);
for (i = 0; i < gimple_phi_num_args (phi); i++)
{
@ -2966,7 +2966,7 @@ ncd_with_phi (slsr_cand_t c, const widest_int &incr, gphi *phi,
{
unsigned i;
slsr_cand_t basis = lookup_cand (c->basis);
slsr_cand_t phi_cand = base_cand_from_table (gimple_phi_result (phi));
slsr_cand_t phi_cand = *stmt_cand_map->get (phi);
for (i = 0; i < gimple_phi_num_args (phi); i++)
{
@ -3176,7 +3176,7 @@ all_phi_incrs_profitable (slsr_cand_t c, gimple *phi)
{
unsigned i;
slsr_cand_t basis = lookup_cand (c->basis);
slsr_cand_t phi_cand = base_cand_from_table (gimple_phi_result (phi));
slsr_cand_t phi_cand = *stmt_cand_map->get (phi);
for (i = 0; i < gimple_phi_num_args (phi); i++)
{