Message ID | CAAgBjMn5RHmbpYEZ=PZTJJ2552+sW0sAgh55+d+kNrDW9VfdvQ@mail.gmail.com |
---|---|
State | New |
Headers | show |
Series | [gcc-13] Backport PR10280 fix | expand |
Sorry, I meant PR110280 in subject line (not PR10280). On Wed, 26 Jul 2023 at 23:03, Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org> wrote: > > Hi Richard, > Sorry for the delay in backport to gcc-13. > The attached patch (cherry picked from master) is bootstrapped+tested > on aarch64-linux-gnu with SVE enabled on gcc-13 branch. > OK to commit to gcc-13 branch ? > > Thanks, > Prathamesh
On Wed, 26 Jul 2023, Prathamesh Kulkarni wrote: > Sorry, I meant PR110280 in subject line (not PR10280). OK after 13.2 is released and the branch is open again. Richard. > On Wed, 26 Jul 2023 at 23:03, Prathamesh Kulkarni > <prathamesh.kulkarni@linaro.org> wrote: > > > > Hi Richard, > > Sorry for the delay in backport to gcc-13. > > The attached patch (cherry picked from master) is bootstrapped+tested > > on aarch64-linux-gnu with SVE enabled on gcc-13 branch. > > OK to commit to gcc-13 branch ? > > > > Thanks, > > Prathamesh >
On Thu, 27 Jul 2023 at 12:04, Richard Biener <rguenther@suse.de> wrote: > > On Wed, 26 Jul 2023, Prathamesh Kulkarni wrote: > > > Sorry, I meant PR110280 in subject line (not PR10280). > > OK after 13.2 is released and the branch is open again. Thanks, committed the patch to releases/gcc-13 branch in: https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=f4029de35fb1b293a4fd586574b1b4b73ddf7880 Thanks, Prathamesh > > Richard. > > > On Wed, 26 Jul 2023 at 23:03, Prathamesh Kulkarni > > <prathamesh.kulkarni@linaro.org> wrote: > > > > > > Hi Richard, > > > Sorry for the delay in backport to gcc-13. > > > The attached patch (cherry picked from master) is bootstrapped+tested > > > on aarch64-linux-gnu with SVE enabled on gcc-13 branch. > > > OK to commit to gcc-13 branch ? > > > > > > Thanks, > > > Prathamesh > >
diff --git a/gcc/match.pd b/gcc/match.pd index 91182448250..c3bb4fbc0a7 100644 --- a/gcc/match.pd +++ b/gcc/match.pd @@ -8292,7 +8292,14 @@ and, (simplify (vec_perm vec_same_elem_p@0 @0 @1) - @0) + (if (types_match (type, TREE_TYPE (@0))) + @0 + (with + { + tree elem = uniform_vector_p (@0); + } + (if (elem) + { build_vector_from_val (type, elem); })))) /* Push VEC_PERM earlier if that may help FMA perception (PR101895). */ (simplify diff --git a/gcc/testsuite/gcc.target/aarch64/sve/pr110280.c b/gcc/testsuite/gcc.target/aarch64/sve/pr110280.c new file mode 100644 index 00000000000..d3279f38362 --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/sve/pr110280.c @@ -0,0 +1,12 @@ +/* { dg-do compile } */ +/* { dg-options "-O3 -fdump-tree-optimized" } */ + +#include "arm_sve.h" + +svuint32_t l() +{ + _Alignas(16) const unsigned int lanes[4] = {0, 0, 0, 0}; + return svld1rq_u32(svptrue_b8(), lanes); +} + +/* { dg-final { scan-tree-dump-not "VEC_PERM_EXPR" "optimized" } } */