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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [autopar/] [reduc-1char.c] - Rev 298
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/* { dg-do compile } */ /* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */ #include <stdarg.h> #include <stdlib.h> #define N 1600 #define DIFF 242 unsigned char ub[N] = {1,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45}; unsigned char uc[N] = {1,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15}; __attribute__ ((noinline)) void main1 (unsigned char x, unsigned char max_result, unsigned char min_result) { int i; unsigned char udiff = 2; unsigned char umax = x; unsigned char umin = x; for (i = 0; i < N; i++) { udiff += (unsigned char)(ub[i] - uc[i]); } for (i = 0; i < N; i++) { umax = umax < uc[i] ? uc[i] : umax; } for (i = 0; i < N; i++) { umin = umin > uc[i] ? uc[i] : umin; } /* check results: */ if (udiff != DIFF) abort (); if (umax != max_result) abort (); if (umin != min_result) abort (); } __attribute__((noinline)) void init_arrays () { int i; for (i=16; i<N; i++) { ub[i] = 1; uc[i] = 1; } } int main (void) { init_arrays(); main1 (100, 100, 1); main1 (0, 15, 0); return 0; } /* { dg-final { scan-tree-dump-times "Detected reduction" 3 "parloops" } } */ /* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 4 "parloops" } } */ /* { dg-final { cleanup-tree-dump "parloops" } } */ /* { dg-final { cleanup-tree-dump "optimized" } } */