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[Bug c/52411] BUG gcc 4.6.2 Illegal Instruction (core dumped) asterisk
- From: "evrinoma at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 29 Feb 2012 13:37:09 +0000
- Subject: [Bug c/52411] BUG gcc 4.6.2 Illegal Instruction (core dumped) asterisk
- Auto-submitted: auto-generated
- References: <bug-52411-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52411
--- Comment #10 from evrinoma at gmail dot com 2012-02-29 13:37:09 UTC ---
(In reply to comment #8)
> (In reply to comment #7)
> > gdb) disassemble 0x000000000053e800,+32
> > Dump of assembler code from 0x53e800 to 0x53e820:
> > 0x000000000053e800 <tzload+3040>: movdqu -0x40(%rcx),%xmm0
> > 0x000000000053e805 <tzload+3045>: prefetcht0 0x190(%rcx)
> > 0x000000000053e80c <tzload+3052>: mov %rcx,%r10
> > => 0x000000000053e80f <tzload+3055>: prefetchw 0x1d0(%rdi)
> > 0x000000000053e816 <tzload+3062>: add $0x4,%esi
> > 0x000000000053e819 <tzload+3065>: movaps %xmm0,(%rdi)
> > 0x000000000053e81c <tzload+3068>: movdqu -0x30(%rcx),%xmm0
> > End of assembler dump.
> > (gdb)
>
> prefetchw is an AMD 3dnow! instruction, I'm not surprised it SIGILLs on your
> Intel Netburst/P4 based machine.
>
> Please ensure you're not using any compilation flags that imply the presence of
> an AMD processor.
i saw this
I begin tracing asterisk code