[Bug target/111311] RISC-V regression testsuite errors with --param=riscv-autovec-preference=scalable

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111311

--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The trunk branch has been updated by Lehua Ding <lh...@gcc.gnu.org>:

https://gcc.gnu.org/g:d05aac047e0643d5c32b706c4c3b12e13f35e19a

commit r14-3834-gd05aac047e0643d5c32b706c4c3b12e13f35e19a
Author: Juzhe-Zhong <juzhe.zh...@rivai.ai>
Date:   Mon Sep 11 11:25:02 2023 +0800

    RISC-V: Add VLS modes VEC_PERM support[PR111311]

    This patch add VLS modes VEC_PERM support which fix these following
    FAILs in https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111311:

    FAIL: gcc.dg/tree-ssa/forwprop-40.c scan-tree-dump-times optimized
"BIT_FIELD_REF" 0
    FAIL: gcc.dg/tree-ssa/forwprop-40.c scan-tree-dump-times optimized
"BIT_INSERT_EXPR" 0
    FAIL: gcc.dg/tree-ssa/forwprop-41.c scan-tree-dump-times optimized
"BIT_FIELD_REF" 0
    FAIL: gcc.dg/tree-ssa/forwprop-41.c scan-tree-dump-times optimized
"BIT_INSERT_EXPR" 1

    These FAILs are fixed after this patch.

            PR target/111311

    gcc/ChangeLog:

            * config/riscv/autovec.md: Add VLS modes.
            * config/riscv/riscv-protos.h (cmp_lmul_le_one): New function.
            (cmp_lmul_gt_one): Ditto.
            * config/riscv/riscv-v.cc (cmp_lmul_le_one): Ditto.
            (cmp_lmul_gt_one): Ditto.
            * config/riscv/riscv.cc (riscv_print_operand): Add VLS modes.
            (riscv_vectorize_vec_perm_const): Ditto.
            * config/riscv/vector-iterators.md: Ditto.
            * config/riscv/vector.md: Ditto.

    gcc/testsuite/ChangeLog:

            * gcc.target/riscv/rvv/autovec/partial/slp-1.c: Adapt test.
            * gcc.target/riscv/rvv/autovec/partial/slp-16.c: Ditto.
            * gcc.target/riscv/rvv/autovec/partial/slp-17.c: Ditto.
            * gcc.target/riscv/rvv/autovec/partial/slp-3.c: Ditto.
            * gcc.target/riscv/rvv/autovec/partial/slp-5.c: Ditto.
            * gcc.target/riscv/rvv/autovec/vls/compress-1.c: New test.
            * gcc.target/riscv/rvv/autovec/vls/compress-2.c: New test.
            * gcc.target/riscv/rvv/autovec/vls/compress-3.c: New test.
            * gcc.target/riscv/rvv/autovec/vls/compress-4.c: New test.
            * gcc.target/riscv/rvv/autovec/vls/compress-5.c: New test.
            * gcc.target/riscv/rvv/autovec/vls/compress-6.c: New test.
            * gcc.target/riscv/rvv/autovec/vls/merge-1.c: New test.
            * gcc.target/riscv/rvv/autovec/vls/merge-2.c: New test.
            * gcc.target/riscv/rvv/autovec/vls/merge-3.c: New test.
            * gcc.target/riscv/rvv/autovec/vls/merge-4.c: New test.
            * gcc.target/riscv/rvv/autovec/vls/merge-5.c: New test.
            * gcc.target/riscv/rvv/autovec/vls/merge-6.c: New test.
            * gcc.target/riscv/rvv/autovec/vls/merge-7.c: New test.
            * gcc.target/riscv/rvv/autovec/vls/perm-1.c: New test.
            * gcc.target/riscv/rvv/autovec/vls/perm-2.c: New test.
            * gcc.target/riscv/rvv/autovec/vls/perm-3.c: New test.
            * gcc.target/riscv/rvv/autovec/vls/perm-4.c: New test.
            * gcc.target/riscv/rvv/autovec/vls/perm-5.c: New test.
            * gcc.target/riscv/rvv/autovec/vls/perm-6.c: New test.
            * gcc.target/riscv/rvv/autovec/vls/perm-7.c: New test.