[cfe-dev] cmus compiled with clang crashes with sigill

Chris Lattner clattner at apple.com
Thu Jun 25 09:18:08 PDT 2009

On Jun 25, 2009, at 1:32 AM, Gregory Petrosyan wrote:

>>>   Program received signal SIGILL, Illegal instruction.
>>>   (gdb) disassemble $pc $pc+1
>>>   Dump of assembler code from 0x8061233 to 0x8061234:
>>>   0x08061233 <set_replaygain_preamp+51>:  movsd  -0x10(%ebp),%xmm0
>>>   End of assembler dump.
>> [snip]
>> Does your processor support SSE2?  If not, there's a bug in the CPU
>> selection code.
> This has happened on AMD Duron, which AFAIK only supports SSE, not  
> SSE2.

This is probably because clang defaults to SSE2.  Try passing - 
mcpu=athlon-xp to clang.


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