in the past Valgrind was likely to choke on anything
but pure gcc generated assembler and binary code.

this means an sort of hand coded assembler,
non-default calling convention and alikes 
could bring that checker to a halt.

to my best knowledge you could not even guide
that tool to ignore specific modules or routines,
no blacklist method or alikes applicable.

-Alex.

> -----Original Message-----
> From: Brian Paul [mailto:[EMAIL PROTECTED]
> Sent: Thursday, December 11, 2003 15:54
> To: Dave Airlie
> Cc: [EMAIL PROTECTED]
> Subject: Re: [Dri-devel] valgrinding DRI..
> 
> 
> Dave Airlie wrote:
> > I'm trying to valgrind my application and in the process DRI :-),
> > 
> > However I can't get over the Mesa MMX checks, is there any 
> env variable I
> > can set so Mesa doesn't do all the stuff that requires 
> SIGFPE and I can
> > force it to use a certain type of instruction set?
> 
> Try setting the MESA_NO_MMX and/or MESA_NO_ASM env vars 
> before running.
> 
> 
> > I've been just setting ALWAYS_INDIRECT for now but that 
> doesn't find any
> > issues in my DRI driver (not that I think there are any but 
> it never hurts
> > to look)...
> > 
> > Dave.
> > 
> 
> -Brian
> 
> 
> 
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