http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52411
--- Comment #8 from Mikael Pettersson <mikpe at it dot uu.se> 2012-02-29 13:18:52 UTC --- (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.
