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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [autopar/] [reduc-7.c] - Rev 312
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/* { dg-do compile } */ /* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details -fdump-tree-optimized" } */ #include <stdlib.h> #define N 3200 extern void abort (void); typedef unsigned char T; __attribute__ ((noinline)) void testmax (const T *c, T init, T result) { T lc[N], accum = init; int i; __builtin_memcpy (lc, c, sizeof(lc)); for (i = 0; i < N; i++) { accum = accum < lc[i] ? lc[i] : accum; } if (accum != result) abort (); } __attribute__ ((noinline)) void testmin (const T *c, T init, T result) { T lc[N], accum = init; int i; __builtin_memcpy (lc, c, sizeof(lc)); for (i = 0; i < N; i++) { accum = accum > lc[i] ? lc[i] : accum; } if (accum != result) abort (); } int main (void) { static unsigned char A[N] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f }; static unsigned char B[N] = { 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f }; static unsigned char C[N] = { 0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, }; int i; for (i=32; i<N; i++) { A[i]= 0x01; B[i]= 0x70; C[i]= 0xff; } testmin (A, 10, 1); testmin (B, 0x7f, 0x70); testmin (C, 0x7f, 0x09); testmax (A, 0, 0x7f); testmax (B, 0, 0x8f); testmax (C, 0, 0xff); return 0; } /* { dg-final { scan-tree-dump-times "Detected reduction" 2 "parloops" } } */ /* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 3 "parloops" } } */ /* { dg-final { cleanup-tree-dump "parloops" } } */ /* { dg-final { cleanup-tree-dump "optimized" } } */
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