public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/107546] simd, redundant pcmpeqb and pxor Date: Mon, 07 Nov 2022 06:51:45 +0000 [thread overview] Message-ID: <bug-107546-4-XqdmZ2YTmE@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-107546-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107546 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 Last reconfirmed| |2022-11-07 Status|UNCONFIRMED |NEW --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Well it is definitely a target issue: ;; _3 = _4 <= { 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47 }; (insn 9 8 10 (set (reg:V16QI 89) (mem/u/c:V16QI (symbol_ref/u:DI ("*.LC0") [flags 0x2]) [0 S16 A128])) "/opt/compiler-explorer/gcc-trunk-20221106/lib/gcc/x86_64-linux-gnu/13.0.0/include/emmintrin.h":1353:34 -1 (expr_list:REG_EQUAL (const_vector:V16QI [ (const_int 47 [0x2f]) repeated x16 ]) (nil))) (insn 10 9 11 (set (reg:V16QI 90) (gt:V16QI (reg:V16QI 83 [ _4 ]) (reg:V16QI 89))) "/opt/compiler-explorer/gcc-trunk-20221106/lib/gcc/x86_64-linux-gnu/13.0.0/include/emmintrin.h":1353:34 -1 (nil)) (insn 11 10 12 (set (reg:V16QI 91) (const_vector:V16QI [ (const_int 0 [0]) repeated x16 ])) "/opt/compiler-explorer/gcc-trunk-20221106/lib/gcc/x86_64-linux-gnu/13.0.0/include/emmintrin.h":1353:34 -1 (nil)) (insn 12 11 13 (set (reg:V16QI 92) (eq:V16QI (reg:V16QI 90) (reg:V16QI 91))) "/opt/compiler-explorer/gcc-trunk-20221106/lib/gcc/x86_64-linux-gnu/13.0.0/include/emmintrin.h":1353:34 -1 (nil)) (insn 13 12 0 (set (reg:V16QI 82 [ _3 ]) (reg:V16QI 92)) "/opt/compiler-explorer/gcc-trunk-20221106/lib/gcc/x86_64-linux-gnu/13.0.0/include/emmintrin.h":1353:34 -1 (nil)) Reduced testcase using GNU C++ vector types instead: #define vector __attribute__((vector_size(16))) auto foo1(const char *p) { vector signed char a = *(vector signed char*)p; vector signed char a47 = {47, 47, 47, 47,47, 47, 47, 47,47, 47, 47, 47,47, 47, 47, 47}; return a <= a47; }
next prev parent reply other threads:[~2022-11-07 6:51 UTC|newest] Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-11-07 6:39 [Bug rtl-optimization/107546] New: " i.nixman at autistici dot org 2022-11-07 6:51 ` pinskia at gcc dot gnu.org [this message] 2022-11-07 6:58 ` [Bug target/107546] [10/11/12/13 Regression] " pinskia at gcc dot gnu.org 2022-11-07 7:07 ` rguenth at gcc dot gnu.org 2022-11-07 7:07 ` crazylht at gmail dot com 2022-11-07 7:14 ` crazylht at gmail dot com 2022-11-07 7:16 ` glisse at gcc dot gnu.org 2022-11-07 7:20 ` pinskia at gcc dot gnu.org 2022-11-07 8:27 ` crazylht at gmail dot com 2022-11-07 10:22 ` jakub at gcc dot gnu.org 2022-11-07 12:02 ` jakub at gcc dot gnu.org 2022-11-07 12:05 ` i.nixman at autistici dot org 2022-11-07 13:47 ` i.nixman at autistici dot org 2022-11-08 11:24 ` cvs-commit at gcc dot gnu.org 2022-11-08 11:59 ` [Bug target/107546] [10/11/12 " jakub at gcc dot gnu.org 2022-11-10 10:48 ` cvs-commit at gcc dot gnu.org 2023-07-07 10:44 ` [Bug target/107546] [11/12 " rguenth at gcc dot gnu.org
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=bug-107546-4-XqdmZ2YTmE@http.gcc.gnu.org/bugzilla/ \ --to=gcc-bugzilla@gcc.gnu.org \ --cc=gcc-bugs@gcc.gnu.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).