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Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa-vect/tree-ssa-vect-6.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa-vect/tree-ssa-vect-6.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa-vect/tree-ssa-vect-6.c b/gcc/testsuite/gcc.dg/tree-ssa-vect/tree-ssa-vect-6.c new file mode 100644 index 00000000000..3a40503e1ff --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa-vect/tree-ssa-vect-6.c @@ -0,0 +1,71 @@ +/* { dg-do run { target powerpc*-*-* } } */ +/* { dg-do compile { target i?86-*-* } } */ +/* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -maltivec" { target powerpc*-*-* } } */ +/* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -msse2" { target i?86-*-* } } */ + +#include <stdarg.h> +#include <signal.h> + +#define N 16 + +float results1[N] = {192.00,240.00,288.00,336.00,384.00,432.00,480.00,528.00,0.00}; +float results2[N] = {0.00,0.00,0.00,0.00,0.00,0.00,0.00,0.00,0.00,54.00,120.00,198.00,288.00,390.00,504.00,630.00}; + +int main1 () +{ + int i; + float a[N] = {0}; + float e[N] = {0}; + float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45}; + float c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15}; + + for (i = 0; i < N/2; i++) + { + a[i] = b[i+N/2] * c[i+N/2] - b[i] * c[i]; + e[i+N/2] = b[i] * c[i+N/2] + b[i+N/2] * c[i]; + } + + for (i=0; i<N; i++) + { + if (a[i] != results1[i] || e[i] != results2[i]) + abort(); + } + + /* check results: */ + + for (i = 1; i <=N-4; i++) + { + a[i+3] = b[i-1]; + } + + /* check results: */ + for (i = 1; i <=N-4; i++) + { + if (a[i+3] != b[i-1]) + abort (); + } + + return 0; +} + +void +sig_ill_handler (int sig) +{ + exit(0); +} + +int main (void) +{ + /* Exit on systems without altivec. */ + signal (SIGILL, sig_ill_handler); + /* Altivec instruction, 'vor %v0,%v0,%v0'. */ + asm volatile (".long 0x10000484"); + signal (SIGILL, SIG_DFL); + + return main1 (); +} + + +/* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */ + + |