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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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#define N 64
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volatile int y = 0;
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int
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main1 ()
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{
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int i;
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unsigned short out[N*8];
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unsigned short in[N*8];
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unsigned int in2[N*8];
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unsigned int out2[N*8];
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for (i = 0; i < N*8; i++)
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{
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in[i] = in2[i] = i;
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if (y) /* Avoid vectorization. */
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abort ();
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}
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/* Induction is not SLPable yet. */
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for (i = 0; i < N; i++)
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{
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out[i*8] = in[i*8] + i;
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out[i*8 + 1] = in[i*8 + 1] + i;
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out[i*8 + 2] = in[i*8 + 2] + i;
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out[i*8 + 3] = in[i*8 + 3] + i;
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out[i*8 + 4] = in[i*8 + 4] + i;
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out[i*8 + 5] = in[i*8 + 5] + i;
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out[i*8 + 6] = in[i*8 + 6] + i;
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out[i*8 + 7] = in[i*8 + 7] + i;
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}
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/* check results: */
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for (i = 0; i < N; i++)
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{
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if (out[i*8] != in[i*8] + i
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|| out[i*8 + 1] != in[i*8 + 1] + i
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|| out[i*8 + 2] != in[i*8 + 2] + i
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|| out[i*8 + 3] != in[i*8 + 3] + i
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|| out[i*8 + 4] != in[i*8 + 4] + i
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|| out[i*8 + 5] != in[i*8 + 5] + i
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|| out[i*8 + 6] != in[i*8 + 6] + i
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|| out[i*8 + 7] != in[i*8 + 7] + i)
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abort ();
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}
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/* Induction is not SLPable yet and strided group size must be a power of 2
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to get vectorized. */
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for (i = 0; i < N/2; i++)
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{
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out2[i*12] = in2[i*12] + i;
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out2[i*12 + 1] = in2[i*12 + 1] + i;
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out2[i*12 + 2] = in2[i*12 + 2] + i;
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out2[i*12 + 3] = in2[i*12 + 3] + i;
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out2[i*12 + 4] = in2[i*12 + 4] + i;
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out2[i*12 + 5] = in2[i*12 + 5] + i;
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out2[i*12 + 6] = in2[i*12 + 6] + i;
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out2[i*12 + 7] = in2[i*12 + 7] + i;
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out2[i*12 + 8] = in2[i*12 + 8] + i;
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out2[i*12 + 9] = in2[i*12 + 9] + i;
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out2[i*12 + 10] = in2[i*12 + 10] + i;
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out2[i*12 + 11] = in2[i*12 + 11] + i;
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}
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/* check results: */
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for (i = 0; i < N/2; i++)
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{
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if (out2[i*12] != in2[i*12] + i
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|| out2[i*12 + 1] != in2[i*12 + 1] + i
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|| out2[i*12 + 2] != in2[i*12 + 2] + i
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|| out2[i*12 + 3] != in2[i*12 + 3] + i
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|| out2[i*12 + 4] != in2[i*12 + 4] + i
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|| out2[i*12 + 5] != in2[i*12 + 5] + i
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|| out2[i*12 + 6] != in2[i*12 + 6] + i
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|| out2[i*12 + 7] != in2[i*12 + 7] + i
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|| out2[i*12 + 8] != in2[i*12 + 8] + i
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|| out2[i*12 + 9] != in2[i*12 + 9] + i
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|| out2[i*12 + 10] != in2[i*12 + 10] + i
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|| out2[i*12 + 11] != in2[i*12 + 11] + i)
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abort ();
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}
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/* Not power of 2 but SLPable. */
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for (i = 0; i < N/2; i++)
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{
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out2[i*12] = in2[i*12] + 1;
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out2[i*12 + 1] = in2[i*12 + 1] + 2;
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out2[i*12 + 2] = in2[i*12 + 2] + 3;
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out2[i*12 + 3] = in2[i*12 + 3] + 4;
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out2[i*12 + 4] = in2[i*12 + 4] + 5;
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out2[i*12 + 5] = in2[i*12 + 5] + 6;
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out2[i*12 + 6] = in2[i*12 + 6] + 7;
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out2[i*12 + 7] = in2[i*12 + 7] + 8;
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out2[i*12 + 8] = in2[i*12 + 8] + 9;
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out2[i*12 + 9] = in2[i*12 + 9] + 10;
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out2[i*12 + 10] = in2[i*12 + 10] + 11;
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out2[i*12 + 11] = in2[i*12 + 11] + 12;
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}
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/* check results: */
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for (i = 0; i < N/2; i++)
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{
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if (out2[i*12] != in2[i*12] + 1
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|| out2[i*12 + 1] != in2[i*12 + 1] + 2
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|| out2[i*12 + 2] != in2[i*12 + 2] + 3
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|| out2[i*12 + 3] != in2[i*12 + 3] + 4
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|| out2[i*12 + 4] != in2[i*12 + 4] + 5
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|| out2[i*12 + 5] != in2[i*12 + 5] + 6
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|| out2[i*12 + 6] != in2[i*12 + 6] + 7
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|| out2[i*12 + 7] != in2[i*12 + 7] + 8
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|| out2[i*12 + 8] != in2[i*12 + 8] + 9
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|| out2[i*12 + 9] != in2[i*12 + 9] + 10
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|| out2[i*12 + 10] != in2[i*12 + 10] + 11
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|| out2[i*12 + 11] != in2[i*12 + 11] + 12)
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abort ();
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}
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return 0;
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}
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int main (void)
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{
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check_vect ();
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main1 ();
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return 0;
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}
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/* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" { target { vect_interleave && vect_extract_even_odd } } } } */
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/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 3 "vect" { xfail *-*-* } } } */
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/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" } } */
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/* { dg-final { cleanup-tree-dump "vect" } } */
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