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[Bug rtl-optimization/47166] [4.5 4.6 Regression] SpecCpu2000 Ammp segfaults for ARM with -O3 -mthumb
- From: "hp at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 5 Jan 2011 08:21:31 +0000
- Subject: [Bug rtl-optimization/47166] [4.5 4.6 Regression] SpecCpu2000 Ammp segfaults for ARM with -O3 -mthumb
- Auto-submitted: auto-generated
- References: <bug-47166-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47166
--- Comment #5 from Hans-Peter Nilsson <hp at gcc dot gnu.org> 2011-01-05 08:21:11 UTC ---
(In reply to comment #4)
> (In reply to comment #0)
> > (insn 3163 3161 3164 107 rectmm.c:1041 (set (reg:SI 1 r1)
> > (plus:SI (reg:SI 1 r1)
> > (const_int 280 [0x118]))) 4 {*arm_addsi3} (nil))
>
> Please consider my request in
> <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45051#c8>.
I mean, the <But r1 is an input as well as an output , i.e. "referred to", so
insn 3163 should have matched without your patch. I'm missing analysis on why
that didn't happen> part.