* [PATCH] Fix PR88021
@ 2018-11-14 13:06 Richard Biener
0 siblings, 0 replies; only message in thread
From: Richard Biener @ 2018-11-14 13:06 UTC (permalink / raw)
To: gcc-patches
This reportedly fixes PR88021 - I forgot to change some ints to
lambda_ints when widening the representation of lambda_vectors.
Bootstrapped and tested on x86_64-unknown-linux-gnu, applied.
Richard.
2018-11-14 Richard Biener <rguenther@suse.de>
PR middle-end/88021
* tree-data-ref.c (lambda_matrix_row_add): Change const1 argument
to lambda_int.
(lambda_vector_mult_const): Likewise.
(lambda_matrix_right_hermite): Use lambda_int temporaries.
diff --git a/gcc/tree-data-ref.c b/gcc/tree-data-ref.c
index 0096afb9ba7..5b554b02b4a 100644
--- a/gcc/tree-data-ref.c
+++ b/gcc/tree-data-ref.c
@@ -3442,8 +3483,9 @@ lambda_matrix_id (lambda_matrix mat, int size)
mat[i][j] = (i == j) ? 1 : 0;
}
-/* Return the first nonzero element of vector VEC1 between START and N.
- We must have START <= N. Returns N if VEC1 is the zero vector. */
+/* Return the index of the first nonzero element of vector VEC1 between
+ START and N. We must have START <= N.
+ Returns N if VEC1 is the zero vector. */
static int
lambda_vector_first_nz (lambda_vector vec1, int n, int start)
@@ -3458,7 +3500,8 @@ lambda_vector_first_nz (lambda_vector vec1, int n, int start)
R2 = R2 + CONST1 * R1. */
static void
-lambda_matrix_row_add (lambda_matrix mat, int n, int r1, int r2, int const1)
+lambda_matrix_row_add (lambda_matrix mat, int n, int r1, int r2,
+ lambda_int const1)
{
int i;
@@ -3474,7 +3517,7 @@ lambda_matrix_row_add (lambda_matrix mat, int n, int r1, int r2, int const1)
static void
lambda_vector_mult_const (lambda_vector vec1, lambda_vector vec2,
- int size, int const1)
+ int size, lambda_int const1)
{
int i;
@@ -3539,7 +3582,7 @@ lambda_matrix_right_hermite (lambda_matrix A, int m, int n,
{
while (S[i][j] != 0)
{
- int sigma, factor, a, b;
+ lambda_int sigma, factor, a, b;
a = S[i-1][j];
b = S[i][j];
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