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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [pr20122.c] - Blame information for rev 298

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Line No. Rev Author Line
1 298 jeremybenn
/* { dg-require-effective-target vect_int } */
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#include <stdarg.h>
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#include "tree-vect.h"
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short Kernshort[24] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
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static void VecBug(short Kernel[8][24]) __attribute__((noinline));
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static void VecBug2(short Kernel[8][24]) __attribute__((noinline));
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/* Kernel may alias Kernshort - a global array.
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   Use versioning for aliasing.  */
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static void VecBug(short Kernel[8][24])
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{
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  int k,i;
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    for (k = 0; k<8; k++)
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        for (i = 0; i<24; i++)
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            Kernshort[i] = Kernel[k][i];
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}
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/* Vectorizable: Kernshort2 is local.  */
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static void VecBug2(short Kernel[8][24])
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{
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  int k,i;
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  short Kernshort2[24] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
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    for (k = 0; k<8; k++)
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        for (i = 0; i<24; i++)
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            Kernshort2[i] = Kernel[k][i];
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    for (k = 0; k<8; k++)
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        for (i = 0; i<24; i++)
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            if (Kernshort2[i] != Kernel[k][i])
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                abort ();
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}
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int main (int argc, char **argv)
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{
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    check_vect ();
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    short Kernel[8][24] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
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    int k,i;
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    for (k = 0; k<8; k++)
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        for (i = 0; i<24; i++)
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            Kernel[k][i] = 0;
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    VecBug(Kernel);
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    VecBug2(Kernel);
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    return 0;
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}
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/* The loops in VecBug and VecBug2 require versioning for alignment.
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   The loop in main is aligned.  */
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/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 3 "vect" } } */
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/*  { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 2 "vect" { target vect_no_align } } } */
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/* { dg-final { cleanup-tree-dump "vect" } } */

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