Hi!
As an aside...
On Mon, Aug 16, 2021 at 03:46:12AM -0500, Xiong Hu Luo wrote:
> --- /dev/null
> +++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-lim-19.c
> --- a/gcc/tree-ssa-loop-im.c
> +++ b/gcc/tree-ssa-loop-im.c
You can make a saner order for your diffs by putting the testsuite
changes after the
On Tue, 17 Aug 2021, Xionghu Luo wrote:
> Hi,
>
> On 2021/8/16 19:46, Richard Biener wrote:
> > On Mon, 16 Aug 2021, Xiong Hu Luo wrote:
> >
> >> It seems to me that ALWAYS_EXECUTED_IN is not computed correctly for
> >> nested loops. inn_loop is updated to inner loop, so it need be restored
> >
On 2021/8/17 13:17, Xionghu Luo via Gcc-patches wrote:
Hi,
On 2021/8/16 19:46, Richard Biener wrote:
On Mon, 16 Aug 2021, Xiong Hu Luo wrote:
It seems to me that ALWAYS_EXECUTED_IN is not computed correctly for
nested loops. inn_loop is updated to inner loop, so it need be restored
when e
Hi,
On 2021/8/16 19:46, Richard Biener wrote:
On Mon, 16 Aug 2021, Xiong Hu Luo wrote:
It seems to me that ALWAYS_EXECUTED_IN is not computed correctly for
nested loops. inn_loop is updated to inner loop, so it need be restored
when exiting from innermost loop. With this patch, the store inst
On Mon, 16 Aug 2021, Xiong Hu Luo wrote:
> It seems to me that ALWAYS_EXECUTED_IN is not computed correctly for
> nested loops. inn_loop is updated to inner loop, so it need be restored
> when exiting from innermost loop. With this patch, the store instruction
> in outer loop could also be moved
It seems to me that ALWAYS_EXECUTED_IN is not computed correctly for
nested loops. inn_loop is updated to inner loop, so it need be restored
when exiting from innermost loop. With this patch, the store instruction
in outer loop could also be moved out of outer loop by store motion.
Any comments?
