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re PR tree-optimization/32421 (-ftree-vectorize -msse2 ICEs in build2_stat when vectorizing POINTER_PLUS_EXPR) 

2007-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/32421
        * tree-vect-transform.c (vectorizable_operation): Convert
        POINTER_PLUS_EXPR over to PLUS_EXPR.


2007-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/32421
        * gcc.dg/vect/pr32421.c: New test.

From-SVN: r126012
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Andrew Pinski 2007-06-26 00:19:44 +00:00 committed by Andrew Pinski
parent 20ec6b5150
commit 2caf766b63
4 changed files with 29 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2007-06-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR tree-opt/32421
* tree-vect-transform.c (vectorizable_operation): Convert
POINTER_PLUS_EXPR over to PLUS_EXPR.
2007-06-25 Chao-ying Fu <fu@mips.com>
* doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2007-06-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR tree-opt/32421
* gcc.dg/vect/pr32421.c: New test.
2006-06-26 Simon Martin <simartin@users.sourceforge.net>
PR c++/32111

12
gcc/testsuite/gcc.dg/vect/pr32421.c Normal file
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@ -0,0 +1,12 @@
/* { dg-do compile } */
int f(int **__restrict a, int ** __restrict b)
{
int i;
for(i= 0;i<32;i++)
a[i] = b[i] + 1;
}
/* { dg-final { cleanup-tree-dump "vect" } } */

6
gcc/tree-vect-transform.c
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@ -2968,6 +2968,12 @@ vectorizable_operation (tree stmt, block_stmt_iterator *bsi, tree *vec_stmt)
operation = GIMPLE_STMT_OPERAND (stmt, 1);
code = TREE_CODE (operation);
/* For pointer addition, we should use the normal plus for
the vector addition. */
if (code == POINTER_PLUS_EXPR)
code = PLUS_EXPR;
optab = optab_for_tree_code (code, vectype);
/* Support only unary or binary operations. */