diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/pr82726.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr82726.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr82726.c b/gcc/testsuite/gcc.dg/tree-ssa/pr82726.c new file mode 100644 index 00000000000..22bc59dacc8 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr82726.c @@ -0,0 +1,26 @@ +/* { dg-do compile } */ +/* { dg-options "-O3 --param tree-reassoc-width=4" } */ +/* { dg-additional-options "-mavx2" { target { x86_64-*-* i?86-*-* } } } */ + +#define N 40 +#define M 128 +unsigned int in[N+M]; +unsigned short out[N]; + +/* Outer-loop vectorization. */ + +void +foo (){ + int i,j; + unsigned int diff; + + for (i = 0; i < N; i++) { + diff = 0; + for (j = 0; j < M; j+=8) { + diff += in[j+i]; + } + out[i]=(unsigned short)diff; + } + + return; +} |