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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [pr20122.c] - Rev 816
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/* { dg-require-effective-target vect_int } */ #include <stdarg.h> #include "tree-vect.h" short Kernshort[24] __attribute__ ((__aligned__(16))); static void VecBug(short Kernel[8][24]) __attribute__((noinline)); static void VecBug2(short Kernel[8][24]) __attribute__((noinline)); /* Not vectorizable: Kernel may alias Kernshort - a global array. */ static void VecBug(short Kernel[8][24]) { int k,i; for (k = 0; k<8; k++) for (i = 0; i<24; i++) Kernshort[i] = Kernel[k][i]; } /* Vectorizable: Kernshort2 is local. */ static void VecBug2(short Kernel[8][24]) { int k,i; short Kernshort2[24] __attribute__ ((__aligned__(16))); for (k = 0; k<8; k++) for (i = 0; i<24; i++) Kernshort2[i] = Kernel[k][i]; for (k = 0; k<8; k++) for (i = 0; i<24; i++) if (Kernshort2[i] != Kernel[k][i]) abort (); } int main (int argc, char **argv) { check_vect (); short Kernel[8][24] __attribute__ ((__aligned__(16))); int k,i; for (k = 0; k<8; k++) for (i = 0; i<24; i++) Kernel[k][i] = 0; VecBug(Kernel); VecBug2(Kernel); return 0; } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" { xfail vect_no_align} } } */ /* { dg-final { cleanup-tree-dump "vect" } } */