[Bug c/110696] New: RISC-V: -march doesn't imply correctly

[Bug c/110696] New: RISC-V: -march doesn't imply correctly

[juzhe.zhong at rivai dot ai]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110696

            Bug ID: 110696
           Summary: RISC-V: -march doesn't imply correctly
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: juzhe.zhong at rivai dot ai
  Target Milestone: ---

test:
#include "riscv_vector.h"
void foo () {vint32m1_t v;}

1. -march=rv64gcv_zvl4096:

.attribute arch,
"rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_v1p0_zicsr2p0_zifencei2p0_zve32f1p0_zve32x1p0_zve64d1p0_zve64f1p0_zve64x1p0_zvl1024b1p0_zvl128b1p0_zvl2048b1p0_zvl32b1p0_zvl4096b1p0_zvl64b1p0"

Missing: zvl256b and zvl512b



2. -march=rv64gcv_zvl8192:

.attribute arch,
"rv64i2p1_m2p0_a2p1_f2p2_d2p2_c2p0_v1p0_zicsr2p0_zifencei2p0_zve32f1p0_zve32x1p0_zve64d1p0_zve64f1p0_zve64x1p0_zvl128b1p0_zvl2048b1p0_zvl32b1p0_zvl4096b1p0_zvl64b1p0_zvl8192b1p0"

Missing: zvl256b and zvl512b and zvl1024b

[Bug target/110696] RISC-V: -march doesn't imply correctly

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110696

--- Comment #1 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The trunk branch has been updated by Lehua Ding <lhtin@gcc.gnu.org>:

https://gcc.gnu.org/g:70742d08832eb7db4d90f52465966111a19ce3a5

commit r14-2564-g70742d08832eb7db4d90f52465966111a19ce3a5
Author: Lehua Ding <lehua.ding@rivai.ai>
Date:   Mon Jul 17 12:27:12 2023 +0800

    RISC-V: Ensure all implied extensions are included [PR110696]

    This patch fix target/PR110696, recursively add all implied extensions.

            PR target/110696

    gcc/ChangeLog:

            * common/config/riscv/riscv-common.cc
(riscv_subset_list::handle_implied_ext):
            recur add all implied extensions.
            (riscv_subset_list::check_implied_ext): Add new method.
            (riscv_subset_list::parse): Call checker check_implied_ext.
            * config/riscv/riscv-subset.h: Add new method.

    gcc/testsuite/ChangeLog:

            * gcc.target/riscv/attribute-20.c: New test.
            * gcc.target/riscv/pr110696.c: New test.

    Signed-off-by: Lehua Ding <lehua.ding@rivai.ai>

[Bug target/110696] RISC-V: -march doesn't imply correctly

[kito at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110696

Kito Cheng <kito at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2023-07-17
             Status|UNCONFIRMED                 |NEW

--- Comment #2 from Kito Cheng <kito at gcc dot gnu.org> ---
Fixed on upstream, but will wait one more week for backporting to GCC 13 branch

[Bug target/110696] RISC-V: -march doesn't imply correctly

[juzhe.zhong at rivai dot ai]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110696

JuzheZhong <juzhe.zhong at rivai dot ai> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #3 from JuzheZhong <juzhe.zhong at rivai dot ai> ---
Fixed