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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [autopar/] [reduc-9.c] - Rev 378
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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 short 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 short A[N] = { 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, 0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010, 0x7000, 0x7100, 0x7200, 0x7300, 0x7400, 0x7500, 0x7600, 0x7700, 0x7ff8, 0x7ff9, 0x7ffa, 0x7ffb, 0x7ffc, 0x7ffd, 0x7ffe, 0x7fff }; static unsigned short B[N] = { 0x7000, 0x7100, 0x7200, 0x7300, 0x7400, 0x7500, 0x7600, 0x7700, 0x7ff8, 0x7ff9, 0x7ffa, 0x7ffb, 0x7ffc, 0x7ffd, 0x7ffe, 0x7fff, 0x8000, 0x8001, 0x8002, 0x8003, 0x8004, 0x8005, 0x8006, 0x8007, 0x8008, 0x8009, 0x800a, 0x800b, 0x800c, 0x800d, 0x800e, 0x800f }; static unsigned short C[N] = { 0xffff, 0xfffe, 0xfffd, 0xfffc, 0xfffb, 0xfffa, 0xfff9, 0xfff8, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010, 0x8000, 0x8001, 0x8002, 0x8003, 0x8004, 0x8005, 0x8006, 0x8007, 0x7000, 0x7100, 0x7200, 0x7300, 0x7400, 0x7500, 0x7600, 0x7700, }; int i; for (i=32; i<N; i++) { A[i]= 0x0001; B[i]= 0x7000; C[i]= 0xffff; } testmin (A, 10, 1); testmin (B, 0x7fff, 0x7000); testmin (C, 0x7fff, 0x0009); testmax (A, 0, 0x7fff); testmax (B, 0, 0x800f); testmax (C, 0, 0xffff); 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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