public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "Hale.Wang at arm dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/64323] New: LRA: ICE when compiling newlib for ARM. Date: Tue, 16 Dec 2014 02:12:00 -0000 [thread overview] Message-ID: <bug-64323-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64323 Bug ID: 64323 Summary: LRA: ICE when compiling newlib for ARM. Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: Hale.Wang at arm dot com Created attachment 34287 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34287&action=edit This temp file is generated from newlib/newlib/libc/stdlib/dtoa.c. When compiling the newlib stdlib for ARM, GCC 5.0 reported: newlib/newlib/libc/stdlib/dtoa.c:862:1: error: unable to generate reloads for: (insn 2301 287 2302 16 (set (reg:CCFP 101 vfpcc) (compare:CCFP (reg:DF 217 [ D.6454 ]) (const_double:DF 0.0 [0x0.0p+0]))) .../newlib/newlib/libc/stdlib/dtoa.c:282 679 {*cmpdf_vfp} (nil)) /work/tools/gcc-arm-none-eabi-5_0-2014q4-20141211/src/newlib/newlib/libc/stdlib/dtoa.c:862:1: internal compiler error: in curr_insn_transform, at lra-constraints.c:3383 The command line is: arm-none-eabi-gcc -marm -O2 -mfloat-abi=hard dtoa.i I have attached the temp file 'dtoa.i'. If I added the -mno-lra option, there was no error.
next reply other threads:[~2014-12-16 2:12 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-12-16 2:12 Hale.Wang at arm dot com [this message] 2014-12-16 9:54 ` [Bug rtl-optimization/64323] [5 Regression] " rguenth at gcc dot gnu.org 2014-12-16 9:55 ` christophe.lyon at st dot com 2014-12-16 11:28 ` Hale.Wang at arm dot com 2014-12-16 11:33 ` Hale.Wang at arm dot com
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-64323-4@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).