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From: "vineetg at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/112853] RISC-V: RVV: SPEC2017 525.x264 regression
Date: Tue, 05 Dec 2023 01:12:30 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112853

--- Comment #2 from Vineet Gupta <vineetg at gcc dot gnu.org> ---
Bisected to

commit 97ddebb6b4f6b132b0a8072b26d030077b418963
Author: Juzhe-Zhong <juzhe.zhong@rivai.ai>
Date:   Thu Nov 23 18:55:03 2023 +0800

    RISC-V: Refine some codes of riscv-v.cc[NFC]

    This patch is NFC patch to refine unreasonable codes I notice.

    Tested on zvl128b/zvl256b/zvl512b/zvl1024b no regression.

    Committed.

    gcc/ChangeLog:

            * config/riscv/riscv-v.cc (emit_vlmax_gather_insn): Refine code=
s.
            (emit_vlmax_masked_gather_mu_insn): Ditto.
            (modulo_sel_indices): Ditto.
            (expand_vec_perm): Ditto.
            (shuffle_generic_patterns): Ditto.=