public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/19263] [3.4/4.0 regression]: wrong-code: explicit inicialization of v8qi miscompiled Date: Wed, 05 Jan 2005 14:48:00 -0000 [thread overview] Message-ID: <20050105144829.27812.qmail@sourceware.org> (raw) In-Reply-To: <20050105125215.19263.smelkov@mph1.phys.spbu.ru> ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-01-05 14:48 ------- Confirmed. Here is the reduced testcase without any x86 builtins usage: typedef signed char v8qi __attribute__ ((vector_size(8))); extern "C" void abort(void); static unsigned char S[8]; void do_subs(unsigned char v) { v8qi val8 = {v,v,v,v,v,v,v,v}; v8qi* s = (v8qi*)&S[0]; *s = val8; } int main() { int i; do_subs(0x1); for (i=0;i<8;++i) if (S[i] != 0x01) abort(); return 0; } -- What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed| |1 Keywords| |wrong-code Known to fail| |4.0.0 Known to work| |3.4.0 Last reconfirmed|0000-00-00 00:00:00 |2005-01-05 14:48:26 date| | Summary|[g++-3.4.3 regression]: |[3.4/4.0 regression]: wrong- |wrong-code: explicit |code: explicit |inicialization of v8qi |inicialization of v8qi |miscompiled |miscompiled Target Milestone|--- |3.4.4 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19263
next prev parent reply other threads:[~2005-01-05 14:48 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2005-01-05 12:52 [Bug c++/19263] New: [g++-3.4.3 " smelkov at mph1 dot phys dot spbu dot ru 2005-01-05 14:48 ` pinskia at gcc dot gnu dot org [this message] 2005-01-05 14:57 ` [Bug c++/19263] [3.4/4.0 " pinskia at gcc dot gnu dot org 2005-01-12 17:30 ` jakub at gcc dot gnu dot org 2005-01-12 18:00 ` jakub at gcc dot gnu dot org 2005-01-12 18:30 ` jakub at gcc dot gnu dot org 2005-01-12 19:16 ` pinskia at gcc dot gnu dot org 2005-01-14 23:46 ` [Bug c++/19263] [3.4/4.0 regression]: wrong-code: explicit initialization " cvs-commit at gcc dot gnu dot org 2005-01-14 23:52 ` cvs-commit at gcc dot gnu dot org 2005-01-15 1:50 ` pinskia at gcc dot gnu dot 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=20050105144829.27812.qmail@sourceware.org \ --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).