Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/graphite/uns-interchange-14.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-require-effective-target size32plus } */ #define DEBUG 0 #if DEBUG #include <stdio.h> #endif #define N 200 unsigned int A[N][N], B[N][N], C[N][N]; static void __attribute__((noinline)) matmult (void) { int i, j, k; for (i = 0; i < N; i++) for (j = 0; j < N; j++) A[i][j] = 0; /* Loops J and K should be interchanged. */ for (i = 0; i < N; i++) for (j = 0; j < N; j++) for (k = 0; k < N; k++) A[i][j] += B[i][k] * C[k][j]; } extern void abort (); int main (void) { int i, j; unsigned res = 0; for (i = 0; i < N; i++) for (j = 0; j < N; j++) { B[i][j] = j; C[i][j] = i; } matmult (); for (i = 0; i < N; i++) res += A[i][i]; #if DEBUG fprintf (stderr, "res = %d \n", res); #endif if (res != 529340000) abort (); return 0; } /* { dg-final { scan-tree-dump "tiled by" "graphite" } } */