Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/loop-interchange-1b.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | |
children | 1830386684a0 |
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/* { dg-do run } */ /* { dg-options "-O2 -floop-interchange -fdump-tree-linterchange-details" } */ /* { dg-skip-if "too big data segment" { avr-*-* visium-*-* } } */ /* Copied from graphite/interchange-4.c */ #define DEBUG 0 #if DEBUG #include <stdio.h> #endif double u[1782225]; static void __attribute__((noinline)) foo (int N, double *res) { int i, j; double sum = 0; for (i = 0; i < N; i++) for (j = 0; j < N; j++) sum = sum + u[i + 1335 * j]; *res = sum; } extern void abort (); int main (void) { int i, j; double res; for (i = 0; i < 1782225; i++) u[i] = 0; u[0] = __DBL_MAX__; u[1335] = -__DBL_MAX__; u[1] = __DBL_MAX__; u[1336] = -__DBL_MAX__; foo (1335, &res); #if DEBUG fprintf (stderr, "res = %d \n", res); #endif if (res != 0.0) abort (); return 0; } /* { dg-final { scan-tree-dump-not "is interchanged" "linterchange"} } */