[Bug target/109399] RISC-V: RVV VSETVL PASS backward demand fusiton bug

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109399

--- Comment #1 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jeff Law <l...@gcc.gnu.org>:

https://gcc.gnu.org/g:fdc5abbdcfb65d415af6c40230f8f07872e51e49

commit r13-7008-gfdc5abbdcfb65d415af6c40230f8f07872e51e49
Author: Juzhe-Zhong <juzhe.zh...@rivai.ai>
Date:   Tue Apr 4 19:20:47 2023 -0600

    [PATCH] RISC-V: Fix PR109399 VSETVL PASS bug

            PR 109399

    gcc/ChangeLog:

            * config/riscv/riscv-vsetvl.cc
            (pass_vsetvl::compute_local_backward_infos): Update user vsetvl in
local
            demand fusion.

    gcc/testsuite/ChangeLog:

            * gcc.target/riscv/rvv/vsetvl/pr109399.c: New test.