public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/46011] New: 256bit vectorizer failed on double->int Date: Thu, 14 Oct 2010 08:31:00 -0000 [thread overview] Message-ID: <bug-46011-4@http.gcc.gnu.org/bugzilla/> (raw) http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46011 Summary: 256bit vectorizer failed on double->int Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassigned@gcc.gnu.org ReportedBy: hjl.tools@gmail.com For gcc.target/i386/vectorize4-avx.c, vect256 branch generates: .L2: vmovaps -120(%rsp,%rax), %ymm0 vcvtps2pd %xmm0, %ymm1 vextractf128 $0x1, %ymm0, %xmm0 vsqrtpd %ymm1, %ymm1 vcvttpd2dqy %ymm1, %xmm1 vmovdqu %xmm1, (%rdi,%rax) vcvtps2pd %xmm0, %ymm0 vsqrtpd %ymm0, %ymm0 vcvttpd2dqy %ymm0, %xmm0 vmovdqu %xmm0, 16(%rdi,%rax) addq $32, %rax cmpq $1024, %rax jne .L2 Trunk at revision 165455 generates .L2: vmovaps -120(%rsp,%rax), %xmm1 vmovhlps %xmm1, %xmm0, %xmm0 vcvtps2pd %xmm1, %xmm2 vsqrtpd %xmm2, %xmm2 vcvttpd2dqx %xmm2, %xmm2 vcvtps2pd %xmm0, %xmm1 vsqrtpd %xmm1, %xmm1 vcvttpd2dqx %xmm1, %xmm1 vpunpcklqdq %xmm1, %xmm2, %xmm1 vmovdqu %xmm1, (%rdi,%rax) addq $16, %rax cmpq $1024, %rax jne .L2
next reply other threads:[~2010-10-14 8:31 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2010-10-14 8:31 hjl.tools at gmail dot com [this message] 2010-10-14 8:33 ` [Bug middle-end/46011] " hjl at gcc dot gnu.org 2010-10-14 8:36 ` [Bug tree-optimization/46011] " rguenth at gcc dot gnu.org 2020-09-14 12:26 ` 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-46011-4@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).