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/* { dg-require-effective-target vect_int } */ /* { dg-require-effective-target vect_perm } */
#include <stdarg.h> #include "tree-vect.h"
#define M00 100 #define M10 216 #define M20 23 #define M30 237 #define M40 437
#define M01 1322 #define M11 13 #define M21 27271 #define M31 2280 #define M41 284
#define M02 74 #define M12 191 #define M22 500 #define M32 111 #define M42 1114
#define M03 134 #define M13 117 #define M23 11 #define M33 771 #define M43 71
#define M04 334 #define M14 147 #define M24 115 #define M34 7716 #define M44 16
#if VECTOR_BITS > 128 #define N (VECTOR_BITS * 5 / 32) #else #define N 20 #endif
void foo (unsigned int *__restrict__ pInput, unsigned int *__restrict__ pOutput) { unsigned int i, a, b, c, d, e;
for (i = 0; i < N / 5; i++) { a = *pInput++; b = *pInput++; c = *pInput++; d = *pInput++; e = *pInput++;
*pOutput++ = M00 * a + M01 * b + M02 * c + M03 * d + M04 * e; *pOutput++ = M10 * a + M11 * b + M12 * c + M13 * d + M14 * e; *pOutput++ = M20 * a + M21 * b + M22 * c + M23 * d + M24 * e; *pOutput++ = M30 * a + M31 * b + M32 * c + M33 * d + M34 * e; *pOutput++ = M40 * a + M41 * b + M42 * c + M43 * d + M44 * e; } }
int main (int argc, const char* argv[]) { unsigned int input[N], output[N], i;
check_vect ();
for (i = 0; i < N; i++) { input[i] = i%256; output[i] = 0; asm volatile ("" ::: "memory"); }
#if N == 20 unsigned int check_results[N] = {3208, 1334, 28764, 35679, 2789, 13028, 4754, 168364, 91254, 12399, 22848, 8174, 307964, 146829, 22009, 32668, 11594, 447564, 202404, 31619}; #else volatile unsigned int check_results[N];
for (i = 0; i < N / 5; i++) { unsigned int a = input[i * 5]; unsigned int b = input[i * 5 + 1]; unsigned int c = input[i * 5 + 2]; unsigned int d = input[i * 5 + 3]; unsigned int e = input[i * 5 + 4];
check_results[i * 5] = M00 * a + M01 * b + M02 * c + M03 * d + M04 * e; check_results[i * 5 + 1] = (M10 * a + M11 * b + M12 * c + M13 * d + M14 * e); check_results[i * 5 + 2] = (M20 * a + M21 * b + M22 * c + M23 * d + M24 * e); check_results[i * 5 + 3] = (M30 * a + M31 * b + M32 * c + M33 * d + M34 * e); check_results[i * 5 + 4] = (M40 * a + M41 * b + M42 * c + M43 * d + M44 * e); asm volatile (""); } #endif
foo (input, output);
for (i = 0; i < N; i++) if (output[i] != check_results[i]) abort ();
return 0; }
/* Currently interleaving is not supported for a group-size of 5. */
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ /* { dg-final { scan-tree-dump-times "gaps requires scalar epilogue loop" 0 "vect" } } */ /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" } } */
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