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From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/48830] [4.6 regression] unrecognized insn: storing invalid upper FP reg in SImode
Date: Thu, 19 Jul 2012 15:28:00 -0000 [thread overview]
Message-ID: <bug-48830-4-aPDHWhz0E1@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-48830-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48830
--- Comment #19 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-07-19 15:28:24 UTC ---
> I see something similar with gcc 4.5.3 when compiling mrtg:
>
> ./src/rateup.c:1136:1: error: insn does not satisfy its constraints:
> (insn 11219 11218 3096 307 ./src/rateup.c:913 (set (mem/c:SI (reg:DI 2 %g2) [23
> %sfp+-10660 S4 A32])
> (reg:SI 65 %f33 [+4 ])) 50 {*movsi_insn} (nil))
> ./src/rateup.c:1136:1: internal compiler error: in
> reload_cse_simplify_operands, at postreload.c:396
>
> (this has originally been reported as http://gnats.netbsd.org/46719)
>
> Is this the samme issue? Any chance of a fix for the 4.5 branch?
This indeed looks like the same issue. But no fix is planned for 4.5.x (the
branch is now closed) or 4.6.x (too risky). The workaround is usually trivial
(lower the optimization level).
next prev parent reply other threads:[~2012-07-19 15:28 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-30 1:36 [Bug target/48830] New: [4.4/4.6 Regression] unrecognized insn storing fp (simd) reg in SImode to stack hp at gcc dot gnu.org
2011-04-30 1:56 ` [Bug target/48830] " hp at gcc dot gnu.org
2011-04-30 12:59 ` mikpe at it dot uu.se
2011-05-01 0:36 ` [Bug target/48830] [4.4/4.5/4.6/4.7 Regression] unrecognized insn: storing invalid upper fp " hp at gcc dot gnu.org
2011-05-01 0:40 ` hp at gcc dot gnu.org
2011-05-01 1:51 ` hp at gcc dot gnu.org
2011-05-01 1:52 ` hp at gcc dot gnu.org
2011-05-01 8:47 ` ebotcazou at gcc dot gnu.org
2011-05-01 11:14 ` hp at gcc dot gnu.org
2011-05-01 11:26 ` joseph at codesourcery dot com
2011-05-01 12:51 ` ebotcazou at gcc dot gnu.org
2011-05-29 20:14 ` ebotcazou at gcc dot gnu.org
2011-05-30 18:33 ` [Bug rtl-optimization/48830] " ebotcazou at gcc dot gnu.org
2011-06-01 19:47 ` rsandifo at gcc dot gnu.org
2011-06-01 20:28 ` [Bug rtl-optimization/48830] [4.4/4.5/4.6 regression] " ebotcazou at gcc dot gnu.org
2011-06-12 13:36 ` [Bug rtl-optimization/48830] [4.4/4.5/4.6 regression] unrecognized insn: storing invalid upper FP reg in SImode rguenth at gcc dot gnu.org
2011-06-27 16:05 ` jakub at gcc dot gnu.org
2011-07-25 14:20 ` ebotcazou at gcc dot gnu.org
2011-10-26 18:14 ` jakub at gcc dot gnu.org
2012-03-01 15:39 ` jakub at gcc dot gnu.org
2012-07-19 13:56 ` [Bug rtl-optimization/48830] [4.6 " martin at netbsd dot org
2012-07-19 15:28 ` ebotcazou at gcc dot gnu.org [this message]
2013-04-12 16:18 ` jakub at gcc dot gnu.org
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