On 11/01/18 13:41, Richard Biener wrote:
> 2018-01-11 Richard Biener <rguent...@suse.de>
>
> PR tree-optimization/83435
> * graphite.c (canonicalize_loop_form): Ignore fake loop exit edges.
> * graphite-scop-detection.c (scop_detection::get_sese): Likewise.
> * tree-vrp.c (add_assert_info): Drop TREE_OVERFLOW if they appear.
>
> * gcc.dg/graphite/pr83435.c: New testcase.
this test case fails on baremetal targets for me with
xgcc: error: unrecognized command line option '-pthread'
> Index: gcc/testsuite/gcc.dg/graphite/pr83435.c
> ===================================================================
> --- gcc/testsuite/gcc.dg/graphite/pr83435.c (nonexistent)
> +++ gcc/testsuite/gcc.dg/graphite/pr83435.c (working copy)
> @@ -0,0 +1,25 @@
> +/* { dg-do compile } */
> +/* { dg-options "-O -ftree-parallelize-loops=2 -floop-parallelize-all" } */
> +
> +int yj, ax;
> +
> +void
> +gf (signed char mp)
> +{
> + int *dh = &yj;
> +
> + for (;;)
> + {
> + signed char sb;
> +
> + for (sb = 0; sb < 1; sb -= 8)
> + {
> + }
> +
> + mp &= mp <= sb;
> + if (mp == 0)
> + dh = &ax;
> + mp = 0;
> + *dh = 0;
> + }
> +}
>
