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Commit f873b205 by Laurynas Biveinis Committed by Laurynas Biveinis
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tree-parloops.c (loop_parallel_p): New argument parloop_obstack. 

2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

	* tree-parloops.c (loop_parallel_p): New argument
	parloop_obstack.  Pass it down.
	(parallelize_loops): New variable parloop_obstack.  Initialize it,
	pass it down, free it.

	* tree-loop-linear.c (linear_transform_loops): Pass down
	lambda_obstack.

	* tree-data-ref.h (lambda_compute_access_matrices): New argument
	of type struct obstack *.

	* tree-data-ref.c (analyze_subscript_affine_affine): New variable
	scratch_obstack.  Initialize it, pass down, free it.

	* lambda.h (lambda_loop_new): Remove.
	(lambda_matrix_new, lambda_matrix_inverse)
	(lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
	argument of type struct obstack *.

	* lambda-trans.c (lambda_trans_matrix_new): New argument
	lambda_obstack.  Pass it down, use obstack allocation for ret.
	(lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
	it down.

	* lambda-mat.c (lambda_matrix_get_column)
	(lambda_matrix_project_to_null): Remove.
	(lambda_matrix_new): New argument lambda_obstack.  Use obstack
	allocation for mat.
	(lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
	lambda_obstack.

	* lambda-code.c (lambda_loop_new): New function.
	(lambda_lattice_new, compute_nest_using_fourier_motzkin)
	(lambda_compute_auxillary_space, lambda_compute_target_space)
	(lambda_loopnest_transform, gcc_loop_to_lambda_loop)
	(lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
	(build_access_matrix): New argument lambda_obstack.  Use obstack
	allocation for am.
	(lambda_compute_step_signs, lambda_compute_access_matrices): New
	argument lambda_obstack.  Pass it down.

From-SVN: r158644
parent b99279f3
Showing with 143 additions and 115 deletions
gcc/ChangeLog
2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
* tree-parloops.c (loop_parallel_p): New argument
parloop_obstack. Pass it down.
(parallelize_loops): New variable parloop_obstack. Initialize it,
pass it down, free it.
* tree-loop-linear.c (linear_transform_loops): Pass down
lambda_obstack.
* tree-data-ref.h (lambda_compute_access_matrices): New argument
of type struct obstack *.
* tree-data-ref.c (analyze_subscript_affine_affine): New variable
scratch_obstack. Initialize it, pass down, free it.
* lambda.h (lambda_loop_new): Remove.
(lambda_matrix_new, lambda_matrix_inverse)
(lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
argument of type struct obstack *.
* lambda-trans.c (lambda_trans_matrix_new): New argument
lambda_obstack. Pass it down, use obstack allocation for ret.
(lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
it down.
* lambda-mat.c (lambda_matrix_get_column)
(lambda_matrix_project_to_null): Remove.
(lambda_matrix_new): New argument lambda_obstack. Use obstack
allocation for mat.
(lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
lambda_obstack.
* lambda-code.c (lambda_loop_new): New function.
(lambda_lattice_new, compute_nest_using_fourier_motzkin)
(lambda_compute_auxillary_space, lambda_compute_target_space)
(lambda_loopnest_transform, gcc_loop_to_lambda_loop)
(lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
(build_access_matrix): New argument lambda_obstack. Use obstack
allocation for am.
(lambda_compute_step_signs, lambda_compute_access_matrices): New
argument lambda_obstack. Pass it down.
2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
* optabs.h (expand_widening_mult): Declare.
......
gcc/lambda-code.c
......@@ -150,6 +150,17 @@ static lambda_lattice lambda_lattice_compute_base (lambda_loopnest,
static bool can_convert_to_perfect_nest (struct loop *);
/* Create a new lambda loop in LAMBDA_OBSTACK. */
static lambda_loop
lambda_loop_new (struct obstack * lambda_obstack)
{
lambda_loop result = (lambda_loop)
obstack_alloc (lambda_obstack, sizeof (struct lambda_loop_s));
memset (result, 0, sizeof (struct lambda_loop_s));
return result;
}
/* Create a new lambda body vector. */
lambda_body_vector
......@@ -157,7 +168,8 @@ lambda_body_vector_new (int size, struct obstack * lambda_obstack)
{
lambda_body_vector ret;
ret = (lambda_body_vector)obstack_alloc (lambda_obstack, sizeof (*ret));
ret = (lambda_body_vector) obstack_alloc (lambda_obstack,
sizeof (*ret));
LBV_COEFFICIENTS (ret) = lambda_vector_new (size);
LBV_SIZE (ret) = size;
LBV_DENOMINATOR (ret) = 1;
......@@ -367,9 +379,10 @@ lambda_lattice_new (int depth, int invariants, struct obstack * lambda_obstack)
{
lambda_lattice ret
= (lambda_lattice)obstack_alloc (lambda_obstack, sizeof (*ret));
LATTICE_BASE (ret) = lambda_matrix_new (depth, depth);
LATTICE_BASE (ret) = lambda_matrix_new (depth, depth, lambda_obstack);
LATTICE_ORIGIN (ret) = lambda_vector_new (depth);
LATTICE_ORIGIN_INVARIANTS (ret) = lambda_matrix_new (depth, invariants);
LATTICE_ORIGIN_INVARIANTS (ret) = lambda_matrix_new (depth, invariants,
lambda_obstack);
LATTICE_DIMENSION (ret) = depth;
LATTICE_INVARIANTS (ret) = invariants;
return ret;
......@@ -500,15 +513,15 @@ compute_nest_using_fourier_motzkin (int size,
lambda_vector swapvector, a1;
int newsize;
A1 = lambda_matrix_new (128, depth);
B1 = lambda_matrix_new (128, invariants);
A1 = lambda_matrix_new (128, depth, lambda_obstack);
B1 = lambda_matrix_new (128, invariants, lambda_obstack);
a1 = lambda_vector_new (128);
auxillary_nest = lambda_loopnest_new (depth, invariants, lambda_obstack);
for (i = depth - 1; i >= 0; i--)
{
loop = lambda_loop_new ();
loop = lambda_loop_new (lambda_obstack);
LN_LOOPS (auxillary_nest)[i] = loop;
LL_STEP (loop) = 1;
......@@ -654,12 +667,12 @@ lambda_compute_auxillary_space (lambda_loopnest nest,
/* Unfortunately, we can't know the number of constraints we'll have
ahead of time, but this should be enough even in ridiculous loop nest
cases. We must not go over this limit. */
A = lambda_matrix_new (128, depth);
B = lambda_matrix_new (128, invariants);
A = lambda_matrix_new (128, depth, lambda_obstack);
B = lambda_matrix_new (128, invariants, lambda_obstack);
a = lambda_vector_new (128);
A1 = lambda_matrix_new (128, depth);
B1 = lambda_matrix_new (128, invariants);
A1 = lambda_matrix_new (128, depth, lambda_obstack);
B1 = lambda_matrix_new (128, invariants, lambda_obstack);
a1 = lambda_vector_new (128);
/* Store the bounds in the equation matrix A, constant vector a, and
......@@ -754,11 +767,11 @@ lambda_compute_auxillary_space (lambda_loopnest nest,
/* Now compute the auxiliary space bounds by first inverting U, multiplying
it by A1, then performing Fourier-Motzkin. */
invertedtrans = lambda_matrix_new (depth, depth);
invertedtrans = lambda_matrix_new (depth, depth, lambda_obstack);
/* Compute the inverse of U. */
lambda_matrix_inverse (LTM_MATRIX (trans),
invertedtrans, depth);
invertedtrans, depth, lambda_obstack);
/* A = A1 inv(U). */
lambda_matrix_mult (A1, invertedtrans, A, size, depth, depth);
......@@ -795,18 +808,19 @@ lambda_compute_target_space (lambda_loopnest auxillary_nest,
depth = LN_DEPTH (auxillary_nest);
invariants = LN_INVARIANTS (auxillary_nest);
inverse = lambda_matrix_new (depth, depth);
determinant = lambda_matrix_inverse (LTM_MATRIX (H), inverse, depth);
inverse = lambda_matrix_new (depth, depth, lambda_obstack);
determinant = lambda_matrix_inverse (LTM_MATRIX (H), inverse, depth,
lambda_obstack);
/* H1 is H excluding its diagonal. */
H1 = lambda_matrix_new (depth, depth);
H1 = lambda_matrix_new (depth, depth, lambda_obstack);
lambda_matrix_copy (LTM_MATRIX (H), H1, depth, depth);
for (i = 0; i < depth; i++)
H1[i][i] = 0;
/* Computes the linear offsets of the loop bounds. */
target = lambda_matrix_new (depth, depth);
target = lambda_matrix_new (depth, depth, lambda_obstack);
lambda_matrix_mult (H1, inverse, target, depth, depth, depth);
target_nest = lambda_loopnest_new (depth, invariants, lambda_obstack);
......@@ -815,7 +829,7 @@ lambda_compute_target_space (lambda_loopnest auxillary_nest,
{
/* Get a new loop structure. */
target_loop = lambda_loop_new ();
target_loop = lambda_loop_new (lambda_obstack);
LN_LOOPS (target_nest)[i] = target_loop;
/* Computes the gcd of the coefficients of the linear part. */
......@@ -982,7 +996,9 @@ lambda_compute_target_space (lambda_loopnest auxillary_nest,
result. */
static lambda_vector
lambda_compute_step_signs (lambda_trans_matrix trans, lambda_vector stepsigns)
lambda_compute_step_signs (lambda_trans_matrix trans,
lambda_vector stepsigns,
struct obstack * lambda_obstack)
{
lambda_matrix matrix, H;
int size;
......@@ -992,7 +1008,7 @@ lambda_compute_step_signs (lambda_trans_matrix trans, lambda_vector stepsigns)
matrix = LTM_MATRIX (trans);
size = LTM_ROWSIZE (trans);
H = lambda_matrix_new (size, size);
H = lambda_matrix_new (size, size, lambda_obstack);
newsteps = lambda_vector_new (size);
lambda_vector_copy (stepsigns, newsteps, size);
......@@ -1067,7 +1083,7 @@ lambda_loopnest_transform (lambda_loopnest nest, lambda_trans_matrix trans,
/* Compute the lattice base. */
lattice = lambda_lattice_compute_base (nest, lambda_obstack);
trans1 = lambda_trans_matrix_new (depth, depth);
trans1 = lambda_trans_matrix_new (depth, depth, lambda_obstack);
/* Multiply the transformation matrix by the lattice base. */
......@@ -1075,25 +1091,27 @@ lambda_loopnest_transform (lambda_loopnest nest, lambda_trans_matrix trans,
LTM_MATRIX (trans1), depth, depth, depth);
/* Compute the Hermite normal form for the new transformation matrix. */
H = lambda_trans_matrix_new (depth, depth);
U = lambda_trans_matrix_new (depth, depth);
H = lambda_trans_matrix_new (depth, depth, lambda_obstack);
U = lambda_trans_matrix_new (depth, depth, lambda_obstack);
lambda_matrix_hermite (LTM_MATRIX (trans1), depth, LTM_MATRIX (H),
LTM_MATRIX (U));
/* Compute the auxiliary loop nest's space from the unimodular
portion. */
auxillary_nest = lambda_compute_auxillary_space (nest, U, lambda_obstack);
auxillary_nest = lambda_compute_auxillary_space (nest, U,
lambda_obstack);
/* Compute the loop step signs from the old step signs and the
transformation matrix. */
stepsigns = lambda_compute_step_signs (trans1, stepsigns);
stepsigns = lambda_compute_step_signs (trans1, stepsigns,
lambda_obstack);
/* Compute the target loop nest space from the auxiliary nest and
the lower triangular matrix H. */
target_nest = lambda_compute_target_space (auxillary_nest, H, stepsigns,
lambda_obstack);
origin = lambda_vector_new (depth);
origin_invariants = lambda_matrix_new (depth, invariants);
origin_invariants = lambda_matrix_new (depth, invariants, lambda_obstack);
lambda_matrix_vector_mult (LTM_MATRIX (trans), depth, depth,
LATTICE_ORIGIN (lattice), origin);
lambda_matrix_mult (LTM_MATRIX (trans), LATTICE_ORIGIN_INVARIANTS (lattice),
......@@ -1424,7 +1442,7 @@ gcc_loop_to_lambda_loop (struct loop *loop, int depth,
return NULL;
}
lloop = lambda_loop_new ();
lloop = lambda_loop_new (lambda_obstack);
LL_STEP (lloop) = stepint;
LL_LOWER_BOUND (lloop) = lbound;
LL_UPPER_BOUND (lloop) = ubound;
......@@ -1702,7 +1720,7 @@ lambda_loopnest_to_gcc_loopnest (struct loop *old_loopnest,
tree oldiv;
gimple_stmt_iterator bsi;
transform = lambda_trans_matrix_inverse (transform);
transform = lambda_trans_matrix_inverse (transform, lambda_obstack);
if (dump_file)
{
......@@ -2801,9 +2819,12 @@ av_for_af (tree access_fun, lambda_vector cy, struct access_matrix *am)
static bool
build_access_matrix (data_reference_p data_reference,
VEC (tree, heap) *parameters, VEC (loop_p, heap) *nest)
VEC (tree, heap) *parameters,
VEC (loop_p, heap) *nest,
struct obstack * lambda_obstack)
{
struct access_matrix *am = GGC_NEW (struct access_matrix);
struct access_matrix *am = (struct access_matrix *)
obstack_alloc(lambda_obstack, sizeof (struct access_matrix));
unsigned i, ndim = DR_NUM_DIMENSIONS (data_reference);
unsigned nivs = VEC_length (loop_p, nest);
unsigned lambda_nb_columns;
......@@ -2835,13 +2856,14 @@ build_access_matrix (data_reference_p data_reference,
bool
lambda_compute_access_matrices (VEC (data_reference_p, heap) *datarefs,
VEC (tree, heap) *parameters,
VEC (loop_p, heap) *nest)
VEC (loop_p, heap) *nest,
struct obstack * lambda_obstack)
{
data_reference_p dataref;
unsigned ix;
for (ix = 0; VEC_iterate (data_reference_p, datarefs, ix, dataref); ix++)
if (!build_access_matrix (dataref, parameters, nest))
if (!build_access_matrix (dataref, parameters, nest, lambda_obstack))
return false;
return true;
......
gcc/lambda-mat.c
......@@ -27,18 +27,16 @@ along with GCC; see the file COPYING3. If not see
#include "tree-flow.h"
#include "lambda.h"
static void lambda_matrix_get_column (lambda_matrix, int, int,
lambda_vector);
/* Allocate a matrix of M rows x N cols. */
lambda_matrix
lambda_matrix_new (int m, int n)
lambda_matrix_new (int m, int n, struct obstack * lambda_obstack)
{
lambda_matrix mat;
int i;
mat = GGC_NEWVEC (lambda_vector, m);
mat = (lambda_matrix) obstack_alloc (lambda_obstack,
sizeof (lambda_vector *) * m);
for (i = 0; i < m; i++)
mat[i] = lambda_vector_new (n);
......@@ -165,19 +163,6 @@ lambda_matrix_mult (lambda_matrix mat1, lambda_matrix mat2,
}
}
/* Get column COL from the matrix MAT and store it in VEC. MAT has
N rows, so the length of VEC must be N. */
static void
lambda_matrix_get_column (lambda_matrix mat, int n, int col,
lambda_vector vec)
{
int i;
for (i = 0; i < n; i++)
vec[i] = mat[i][col];
}
/* Delete rows r1 to r2 (not including r2). */
void
......@@ -307,10 +292,12 @@ lambda_matrix_col_mc (lambda_matrix mat, int m, int c1, int const1)
When MAT is a 2 x 2 matrix, we don't go through the whole process, because
it is easily inverted by inspection and it is a very common case. */
static int lambda_matrix_inverse_hard (lambda_matrix, lambda_matrix, int);
static int lambda_matrix_inverse_hard (lambda_matrix, lambda_matrix, int,
struct obstack *);
int
lambda_matrix_inverse (lambda_matrix mat, lambda_matrix inv, int n)
lambda_matrix_inverse (lambda_matrix mat, lambda_matrix inv, int n,
struct obstack * lambda_obstack)
{
if (n == 2)
{
......@@ -335,20 +322,21 @@ lambda_matrix_inverse (lambda_matrix mat, lambda_matrix inv, int n)
return det;
}
else
return lambda_matrix_inverse_hard (mat, inv, n);
return lambda_matrix_inverse_hard (mat, inv, n, lambda_obstack);
}
/* If MAT is not a special case, invert it the hard way. */
static int
lambda_matrix_inverse_hard (lambda_matrix mat, lambda_matrix inv, int n)
lambda_matrix_inverse_hard (lambda_matrix mat, lambda_matrix inv, int n,
struct obstack * lambda_obstack)
{
lambda_vector row;
lambda_matrix temp;
int i, j;
int determinant;
temp = lambda_matrix_new (n, n);
temp = lambda_matrix_new (n, n, lambda_obstack);
lambda_matrix_copy (mat, temp, n, n);
lambda_matrix_id (inv, n);
......@@ -592,45 +580,6 @@ lambda_matrix_first_nz_vec (lambda_matrix mat, int rowsize, int colsize,
return rowsize;
}
/* Calculate the projection of E sub k to the null space of B. */
void
lambda_matrix_project_to_null (lambda_matrix B, int rowsize,
int colsize, int k, lambda_vector x)
{
lambda_matrix M1, M2, M3, I;
int determinant;
/* Compute c(I-B^T inv(B B^T) B) e sub k. */
/* M1 is the transpose of B. */
M1 = lambda_matrix_new (colsize, colsize);
lambda_matrix_transpose (B, M1, rowsize, colsize);
/* M2 = B * B^T */
M2 = lambda_matrix_new (colsize, colsize);
lambda_matrix_mult (B, M1, M2, rowsize, colsize, rowsize);
/* M3 = inv(M2) */
M3 = lambda_matrix_new (colsize, colsize);
determinant = lambda_matrix_inverse (M2, M3, rowsize);
/* M2 = B^T (inv(B B^T)) */
lambda_matrix_mult (M1, M3, M2, colsize, rowsize, rowsize);
/* M1 = B^T (inv(B B^T)) B */
lambda_matrix_mult (M2, B, M1, colsize, rowsize, colsize);
lambda_matrix_negate (M1, M1, colsize, colsize);
I = lambda_matrix_new (colsize, colsize);
lambda_matrix_id (I, colsize);
lambda_matrix_add_mc (I, determinant, M1, 1, M2, colsize, colsize);
lambda_matrix_get_column (M2, colsize, k - 1, x);
}
/* Multiply a vector VEC by a matrix MAT.
MAT is an M*N matrix, and VEC is a vector with length N. The result
is stored in DEST which must be a vector of length M. */
......
gcc/lambda-trans.c
......@@ -31,12 +31,14 @@ along with GCC; see the file COPYING3. If not see
/* Allocate a new transformation matrix. */
lambda_trans_matrix
lambda_trans_matrix_new (int colsize, int rowsize)
lambda_trans_matrix_new (int colsize, int rowsize,
struct obstack * lambda_obstack)
{
lambda_trans_matrix ret;
ret = GGC_NEW (struct lambda_trans_matrix_s);
LTM_MATRIX (ret) = lambda_matrix_new (rowsize, colsize);
ret = (lambda_trans_matrix)
obstack_alloc (lambda_obstack, sizeof (struct lambda_trans_matrix_s));
LTM_MATRIX (ret) = lambda_matrix_new (rowsize, colsize, lambda_obstack);
LTM_ROWSIZE (ret) = rowsize;
LTM_COLSIZE (ret) = colsize;
LTM_DENOMINATOR (ret) = 1;
......@@ -57,14 +59,16 @@ lambda_trans_matrix_id_p (lambda_trans_matrix mat)
/* Compute the inverse of the transformation matrix MAT. */
lambda_trans_matrix
lambda_trans_matrix_inverse (lambda_trans_matrix mat)
lambda_trans_matrix_inverse (lambda_trans_matrix mat,
struct obstack * lambda_obstack)
{
lambda_trans_matrix inverse;
int determinant;
inverse = lambda_trans_matrix_new (LTM_ROWSIZE (mat), LTM_COLSIZE (mat));
inverse = lambda_trans_matrix_new (LTM_ROWSIZE (mat), LTM_COLSIZE (mat),
lambda_obstack);
determinant = lambda_matrix_inverse (LTM_MATRIX (mat), LTM_MATRIX (inverse),
LTM_ROWSIZE (mat));
LTM_ROWSIZE (mat), lambda_obstack);
LTM_DENOMINATOR (inverse) = determinant;
return inverse;
}
......
gcc/lambda.h
......@@ -156,11 +156,9 @@ struct loop;
bool perfect_nest_p (struct loop *);
void print_lambda_loopnest (FILE *, lambda_loopnest, char);
#define lambda_loop_new() (lambda_loop) ggc_alloc_cleared (sizeof (struct lambda_loop_s))
void print_lambda_loop (FILE *, lambda_loop, int, int, char);
lambda_matrix lambda_matrix_new (int, int);
lambda_matrix lambda_matrix_new (int, int, struct obstack *);
void lambda_matrix_id (lambda_matrix, int);
bool lambda_matrix_id_p (lambda_matrix, int);
......@@ -182,7 +180,7 @@ void lambda_matrix_col_exchange (lambda_matrix, int, int, int);
void lambda_matrix_col_add (lambda_matrix, int, int, int, int);
void lambda_matrix_col_negate (lambda_matrix, int, int);
void lambda_matrix_col_mc (lambda_matrix, int, int, int);
int lambda_matrix_inverse (lambda_matrix, lambda_matrix, int);
int lambda_matrix_inverse (lambda_matrix, lambda_matrix, int, struct obstack *);
void lambda_matrix_hermite (lambda_matrix, int, lambda_matrix, lambda_matrix);
void lambda_matrix_left_hermite (lambda_matrix, int, int, lambda_matrix, lambda_matrix);
void lambda_matrix_right_hermite (lambda_matrix, int, int, lambda_matrix, lambda_matrix);
......@@ -191,13 +189,14 @@ void lambda_matrix_project_to_null (lambda_matrix, int, int, int,
lambda_vector);
void print_lambda_matrix (FILE *, lambda_matrix, int, int);
lambda_trans_matrix lambda_trans_matrix_new (int, int);
lambda_trans_matrix lambda_trans_matrix_new (int, int, struct obstack *);
bool lambda_trans_matrix_nonsingular_p (lambda_trans_matrix);
bool lambda_trans_matrix_fullrank_p (lambda_trans_matrix);
int lambda_trans_matrix_rank (lambda_trans_matrix);
lambda_trans_matrix lambda_trans_matrix_basis (lambda_trans_matrix);
lambda_trans_matrix lambda_trans_matrix_padding (lambda_trans_matrix);
lambda_trans_matrix lambda_trans_matrix_inverse (lambda_trans_matrix);
lambda_trans_matrix lambda_trans_matrix_inverse (lambda_trans_matrix,
struct obstack *);
void print_lambda_trans_matrix (FILE *, lambda_trans_matrix);
void lambda_matrix_vector_mult (lambda_matrix, int, int, lambda_vector,
lambda_vector);
......
gcc/tree-data-ref.c
......@@ -2176,6 +2176,7 @@ analyze_subscript_affine_affine (tree chrec_a,
unsigned nb_vars_a, nb_vars_b, dim;
HOST_WIDE_INT init_a, init_b, gamma, gcd_alpha_beta;
lambda_matrix A, U, S;
struct obstack scratch_obstack;
if (eq_evolutions_p (chrec_a, chrec_b))
{
......@@ -2203,10 +2204,12 @@ analyze_subscript_affine_affine (tree chrec_a,
nb_vars_a = nb_vars_in_chrec (chrec_a);
nb_vars_b = nb_vars_in_chrec (chrec_b);
gcc_obstack_init (&scratch_obstack);
dim = nb_vars_a + nb_vars_b;
U = lambda_matrix_new (dim, dim);
A = lambda_matrix_new (dim, 1);
S = lambda_matrix_new (dim, 1);
U = lambda_matrix_new (dim, dim, &scratch_obstack);
A = lambda_matrix_new (dim, 1, &scratch_obstack);
S = lambda_matrix_new (dim, 1, &scratch_obstack);
init_a = int_cst_value (initialize_matrix_A (A, chrec_a, 0, 1));
init_b = int_cst_value (initialize_matrix_A (A, chrec_b, nb_vars_a, -1));
......@@ -2420,6 +2423,7 @@ analyze_subscript_affine_affine (tree chrec_a,
}
end_analyze_subs_aa:
obstack_free (&scratch_obstack, NULL);
if (dump_file && (dump_flags & TDF_DETAILS))
{
fprintf (dump_file, " (overlaps_a = ");
......
gcc/tree-data-ref.h
......@@ -584,7 +584,9 @@ bool lambda_transform_legal_p (lambda_trans_matrix, int,
void lambda_collect_parameters (VEC (data_reference_p, heap) *,
VEC (tree, heap) **);
bool lambda_compute_access_matrices (VEC (data_reference_p, heap) *,
VEC (tree, heap) *, VEC (loop_p, heap) *);
VEC (tree, heap) *,
VEC (loop_p, heap) *,
struct obstack *);
/* In tree-data-ref.c */
void split_constant_offset (tree , tree *, tree *);
......
gcc/tree-loop-linear.c
......@@ -358,14 +358,15 @@ linear_transform_loops (void)
goto free_and_continue;
lambda_collect_parameters (datarefs, &lambda_parameters);
if (!lambda_compute_access_matrices (datarefs, lambda_parameters, nest))
if (!lambda_compute_access_matrices (datarefs, lambda_parameters,
nest, &lambda_obstack))
goto free_and_continue;
if (dump_file && (dump_flags & TDF_DETAILS))
dump_ddrs (dump_file, dependence_relations);
/* Build the transformation matrix. */
trans = lambda_trans_matrix_new (depth, depth);
trans = lambda_trans_matrix_new (depth, depth, &lambda_obstack);
lambda_matrix_id (LTM_MATRIX (trans), depth);
trans = try_interchange_loops (trans, depth, dependence_relations,
datarefs, loop_nest);
......
gcc/tree-parloops.c
......@@ -248,7 +248,7 @@ name_to_copy_elt_hash (const void *aa)
in parallel). */
static bool
loop_parallel_p (struct loop *loop)
loop_parallel_p (struct loop *loop, struct obstack * parloop_obstack)
{
VEC (ddr_p, heap) * dependence_relations;
VEC (data_reference_p, heap) *datarefs;
......@@ -273,7 +273,7 @@ loop_parallel_p (struct loop *loop)
if (dump_file && (dump_flags & TDF_DETAILS))
dump_data_dependence_relations (dump_file, dependence_relations);
trans = lambda_trans_matrix_new (1, 1);
trans = lambda_trans_matrix_new (1, 1, parloop_obstack);
LTM_MATRIX (trans)[0][0] = -1;
if (lambda_transform_legal_p (trans, 1, dependence_relations))
......@@ -1884,15 +1884,17 @@ parallelize_loops (void)
struct tree_niter_desc niter_desc;
loop_iterator li;
htab_t reduction_list;
struct obstack parloop_obstack;
HOST_WIDE_INT estimated;
LOC loop_loc;
/* Do not parallelize loops in the functions created by parallelization. */
if (parallelized_function_p (cfun->decl))
return false;
if (cfun->has_nonlocal_label)
return false;
gcc_obstack_init (&parloop_obstack);
reduction_list = htab_create (10, reduction_info_hash,
reduction_info_eq, free);
init_stmt_vec_info_vec ();
......@@ -1950,7 +1952,8 @@ parallelize_loops (void)
if (!try_create_reduction_list (loop, reduction_list))
continue;
if (!flag_loop_parallelize_all && !loop_parallel_p (loop))
if (!flag_loop_parallelize_all
&& !loop_parallel_p (loop, &parloop_obstack))
continue;
changed = true;
......@@ -1975,6 +1978,7 @@ parallelize_loops (void)
free_stmt_vec_info_vec ();
htab_delete (reduction_list);
obstack_free (&parloop_obstack, NULL);
/* Parallelization will cause new function calls to be inserted through
which local variables will escape. Reset the points-to solution
......
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