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[Bug middle-end/55929] lra-constraints-ICE while xg++ compile libitm with -Os
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 10 Jan 2013 11:10:39 +0000
- Subject: [Bug middle-end/55929] lra-constraints-ICE while xg++ compile libitm with -Os
- Auto-submitted: auto-generated
- References: <bug-55929-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55929
Uros Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2013-01-10
AssignedTo|unassigned at gcc dot |ubizjak at gmail dot com
|gnu.org |
Target Milestone|--- |4.8.0
Ever Confirmed|0 |1
--- Comment #2 from Uros Bizjak <ubizjak at gmail dot com> 2013-01-10 11:10:39 UTC ---
(In reply to comment #1)
> >/sandbox/gcc-git/libitm/beginend.cc:346:1: error: unable to generate reloads
>
> Reload would not be able handle this either as it is jump_insn.
How annoying.
In this case, we have to expand with a hard-reg temporary (%eax). I will
prepare a patch for this.