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re PR tree-optimization/25911 (ice in vect_recog_dot_prod_pattern)

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PR tree-opt/25911
        * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
        to an if check.

From-SVN: r110377
This commit is contained in:
Dorit Nuzman 2006-01-29 16:50:05 +00:00 committed by Dorit Nuzman
parent a920e94a9e
commit b31305861a
4 changed files with 28 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
PR tree-opt/25911
* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
to an if check.
2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
* toplev.c: Fix thinko.

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
PR tree-opt/25911
* gcc.dg/vect/fast-math-vect-pr25911.c: New.
2006-01-29 Paul Thomas <pault@gcc.gnu.org>
PR fortran/18578

15
gcc/testsuite/gcc.dg/vect/fast-math-vect-pr25911.c Normal file
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@ -0,0 +1,15 @@
/* { dg-do compile } */
float bessel_Kn_scaled_small_x(int n)
{
int k;
float k_term, sum1;
for(k=1; k<=n-1; k++)
{
k_term *= -1/(k * (n-k));
sum1 += k_term;
}
return sum1;
}
/* { dg-final { cleanup-tree-dump "vect" } } */

3
gcc/tree-vect-patterns.c
View File

@ -243,7 +243,8 @@ vect_recog_dot_prod_pattern (tree last_stmt, tree *type_in, tree *type_out)
gcc_assert (stmt);
stmt_vinfo = vinfo_for_stmt (stmt);
gcc_assert (stmt_vinfo);
gcc_assert (STMT_VINFO_DEF_TYPE (stmt_vinfo) == vect_loop_def);
if (STMT_VINFO_DEF_TYPE (stmt_vinfo) != vect_loop_def)
return NULL;
expr = TREE_OPERAND (stmt, 1);
if (TREE_CODE (expr) != MULT_EXPR)
return NULL;