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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-double-reduc-5.c] - Rev 298
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/* { dg-require-effective-target vect_int_mult } */ #include <stdarg.h> #include <stdio.h> #include "tree-vect.h" #define K 32 signed short in[2*K][K] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); signed short coeff[K][K] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); int out[K]; int check_result[K] = {642816,660736,678656,696576,714496,732416,750336,768256,786176,804096,822016,839936,857856,875776,893696,911616,929536,947456,965376,983296,1001216,1019136,1037056,1054976,1072896,1090816,1108736,1126656,1144576,1162496,1180416,1198336}; __attribute__ ((noinline)) void foo () { int sum = 0, i, j, k; for (k = 0; k < K; k++) { sum = 0; for (j = 0; j < K; j++) for (i = 0; i < K; i++) sum += in[i+k][j] * coeff[i][j]; out[k] = sum; } } int main () { int i, j, k; check_vect (); for (j = 0; j < K; j++) { for (i = 0; i < 2*K; i++) in[i][j] = i+j; for (i = 0; i < K; i++) coeff[i][j] = i+2; } foo(); for (k = 0; k < K; k++) if (out[k] != check_result[k]) abort (); return 0; } /* Vectorization of loops with multiple types and double reduction is not supported yet. */ /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { xfail *-*-* } } } */ /* { dg-final { cleanup-tree-dump "vect" } } */