Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/torture/pr45720.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do run } */ /* { dg-options "-ftree-vectorize" } */ float val[256]; float x; void __attribute__((noinline,noclone)) foo(int len, int beg) { int i; for (i = len - 1; i >= beg; --i) x += val[i] * 2; } void __attribute__((noinline,noclone)) bar(void) { int i; for (i = 255; i >= 0; --i) x += val[i] * 2; for (i = 254; i >= 0; --i) x += val[i] * 2; for (i = 253; i >= 0; --i) x += val[i] * 2; for (i = 252; i >= 0; --i) x += val[i] * 2; } float y[256]; void __attribute__((noinline,noclone)) foobar(void) { int i; for (i = 0; i < 252; ++i) { float l = 0; l += val[255 - i] * 2; l += val[254 - i] * 2; l += val[253 - i] * 2; l += val[252 - i] * 2; y[i] = l; } } int main() { foo(256-1, 0); foo(256-2, 0); foo(256-3, 0); foo(256-4, 0); bar(); foobar(); return 0; }