On Wed, Mar 02, 2016 at 05:17:17PM +0100, Martin Liška wrote:
> 2016-03-02 Martin Liska <mli...@suse.cz>
>
Missing
PR tree-optimization/70043
(both in gcc/ and gcc/testsuite/ ChangeLog entry).
> --- /dev/null
> +++ b/gcc/testsuite/gfortran.dg/vect/pr70043.f90
> @@ -0,0 +1,14 @@
> +! { dg-additional-options "-Ofast -g -march=haswell" }
> +! { dg-do compile }
Please change this to:
! PR tree-optimization/70043
! { dg-do compile }
! { dg-additional-options "-Ofast -g" }
! { dg-additional-options "-march=haswell" { target i?86-*-* x86_64-*-* } }
> +
> +subroutine fn1(a, b)
> + real(8), intent(in) :: b(100)
> + real(8), intent(inout) :: a(100)
> + real(8) c
> + do i=0,100
> + if( a(i) < 0.0 ) then
> + c = a(i) * b(i)
> + a(i) = a(i) - c / b(i)
> + endif
> + enddo
> +end subroutine fn1
> diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c
> index 8c34669..7ab36a8 100644
> --- a/gcc/tree-vect-loop.c
> +++ b/gcc/tree-vect-loop.c
> @@ -7077,7 +7077,10 @@ optimize_mask_stores (struct loop *loop)
>
> /* Skip debug statements. */
> if (is_gimple_debug (gsi_stmt (gsi)))
> - continue;
> + {
> + gsi_prev (&gsi);
> + continue;
> + }
> stmt1 = gsi_stmt (gsi);
> /* Do not consider statements writing to memory or having
> volatile operand. */
Ok with those changes.
Jakub
