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re PR middle-end/42193 (454.calculix in SPEC CPU 2006 failed to compile at -O3)

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PR tree-optimization/42193
	* tree-vect-stmts.c (vectorizable_operation): Set vectorization factor
	to 1 in case of basic block SLP.
	(vectorizable_load): Likewise.

From-SVN: r154738
This commit is contained in:
Ira Rosen 2009-11-29 17:30:20 +00:00 committed by Ira Rosen
parent 6744a6abc3
commit 3533e50347
4 changed files with 42 additions and 4 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2009-11-29 Ira Rosen <irar@il.ibm.com>
PR tree-optimization/42193
* tree-vect-stmts.c (vectorizable_operation): Set vectorization factor
to 1 in case of basic block SLP.
(vectorizable_load): Likewise.
2009-11-28 Jan Hubicka <jh@suse.cz>
* cgraph.c (same_body_alias_1): Break out of

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2009-11-29 Ira Rosen <irar@il.ibm.com>
PR tree-optimization/42193
* gcc.dg/vect/pr42193.c: New test.
2009-11-28 Dodji Seketeli <dodji@redhat.com>
PR c++/36408

28
gcc/testsuite/gcc.dg/vect/pr42193.c Normal file
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@ -0,0 +1,28 @@
/* { dg-do compile } */
/* { dg-require-effective-target vect_long } */
#include <stdarg.h>
unsigned long in[6], out[6];
void foo ()
{
unsigned long a, b, c, d, e, f;
a = in[0];
b = in[1];
c = in[2];
d = in[3];
e = in[4];
f = in[5];
out[0] = 2 * a + 7 * b + 8 * c + 31 * d + 10 * e + 21 * f;
out[1] = 3 * a + 6 * b + 12 * c + 13 * d + 15 * e + 28 * f;
out[2] = 4 * a + 5 * b + 72 * c + 23 * d + 14 * e + 24 * f;
out[3] = 8 * a + 71 * b + 18 * c + 33 * d + 13 * e + 25 * f;
out[4] = 12 * a + 16 * b + 19 * c + 41 * d + 22 * e + 26 * f;
out[5] = 17 * a + 15 * b + 13 * c + 14 * d + 11 * e + 9 * f;
}
/* { dg-final { cleanup-tree-dump "vect" } } */

6
gcc/tree-vect-stmts.c
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@ -1934,8 +1934,7 @@ vectorizable_operation (gimple stmt, gimple_stmt_iterator *gsi,
if (loop_vinfo)
vf = LOOP_VINFO_VECT_FACTOR (loop_vinfo);
else
/* FORNOW: multiple types are not supported in basic block SLP. */
vf = nunits_in;
vf = 1;
/* Multiple types in SLP are handled by creating the appropriate number of
vectorized stmts for each SLP node. Hence, NCOPIES is always 1 in
@ -3279,8 +3278,7 @@ vectorizable_load (gimple stmt, gimple_stmt_iterator *gsi, gimple *vec_stmt,
vf = LOOP_VINFO_VECT_FACTOR (loop_vinfo);
}
else
/* FORNOW: multiple types are not supported in basic block SLP. */
vf = nunits;
vf = 1;
/* Multiple types in SLP are handled by creating the appropriate number of
vectorized stmts for each SLP node. Hence, NCOPIES is always 1 in