On Fri, Jan 31, 2020 at 10:12:08AM +, Tamar Christina wrote:
> 2020-01-31 Tamar Christina
>
> PR 91838
> * simplify-rtx.c (simplify_binary_operation_1): Update LSHIFTRT case
> to truncate if allowed or reject combination.
>
> gcc/testsuite/ChangeLog:
>
> 2020-01-31 Tama
Hi Segher,
The 01/31/2020 12:13, Segher Boessenkool wrote:
> Hi!
>
> On Fri, Jan 31, 2020 at 10:12:08AM +, Tamar Christina wrote:
> > This fixes a fall-out from a patch I had submitted two years ago which
> > started
> > allowing simplify-rtx to fold logical right shifts by offsets a followe
Hi!
On Fri, Jan 31, 2020 at 10:12:08AM +, Tamar Christina wrote:
> This fixes a fall-out from a patch I had submitted two years ago which started
> allowing simplify-rtx to fold logical right shifts by offsets a followed by b
> into >> (a + b).
>
> However this can generate inefficient code w
Hi All,
This fixes a fall-out from a patch I had submitted two years ago which started
allowing simplify-rtx to fold logical right shifts by offsets a followed by b
into >> (a + b).
However this can generate inefficient code when the resulting shift count ends
up being the same as the size of the
