Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/gcc.dg/vect/bb-slp-subgroups-3.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/vect/bb-slp-subgroups-3.c Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,41 @@ +/* { dg-require-effective-target vect_int } */ +/* PR tree-optimization/67682. */ + +#include "tree-vect.h" + +int __attribute__((__aligned__(8))) a[8]; +int __attribute__((__aligned__(8))) b[8]; + +__attribute__ ((noinline)) void +test () +{ + a[0] = b[0] + 1; + a[1] = b[1] + 2; + a[2] = b[2] + 3; + a[3] = b[3] + 4; + a[4] = b[0] * 3; + a[5] = b[2] * 4; + a[6] = b[4] * 5; + a[7] = b[6] * 7; +} + +int +main (int argc, char **argv) +{ + check_vect (); + + for (int i = 0; i < 8; i++) + a[i] = 1; + for (int i = 0; i < 8; i++) + b[i] = i + 4; + __asm__ volatile ("" : : : "memory"); + test (a, b); + __asm__ volatile ("" : : : "memory"); + if ((a[0] != 5) || (a[1] != 7) || (a[2] != 9) || (a[3] != 11) + || (a[4] != 12) || (a[5] != 24) || (a[6] != 40) || (a[7] != 70)) + abort (); + return 0; +} + +/* { dg-final { scan-tree-dump-times "Basic block will be vectorized using SLP" 1 "slp2" } } */ +/* { dg-final { scan-tree-dump-times "basic block vectorized" 1 "slp2" } } */