[RFA/i386] Prec x86 MMX 3DNow! SSE SSE2 SSE3 SSSE3 SSE4 support

[Michael Snyder]

Hui Zhu wrote:
> Hello,
> 
> I make a testsute for sse.  I make it just support x86-64 target
> because I got insn unsupport trap in a x86-32 pc.  Maybe the CPU of
> this pc is too old.  :)
> 
> And I found some bug in sse patch.  I make a new one.
> 
> Please help me review them. Thanks.

I also got a SIGILL here:

Program received signal SIGILL, Illegal instruction.
sse_test () at 
/data/home/msnyder/cvs/localhost/src/gdb/testsuite/gdb.reverse/i386-sse-reverse.c:42^M
42        asm ("blendpd $1, %xmm1, %xmm0");
(gdb) FAIL: gdb.reverse/i386-sse-reverse.exp: continue to sse_test