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7 Commits

Author SHA1 Message Date
Dale Johannesen
4d1ca2ab29 Mark all these as needing SSE2. Should fix PPC and 
maybe even Linux.

llvm-svn: 115291
 2010-10-01 04:17:55 +00:00
Dale Johannesen
c14a1eda84 Massive rewrite of MMX: 
The x86_mmx type is used for MMX intrinsics, parameters and
return values where these use MMX registers, and is also
supported in load, store, and bitcast.

Only the above operations generate MMX instructions, and optimizations
do not operate on or produce MMX intrinsics. 

MMX-sized vectors <2 x i32> etc. are lowered to XMM or split into
smaller pieces.  Optimizations may occur on these forms and the
result casted back to x86_mmx, provided the result feeds into a
previous existing x86_mmx operation.

The point of all this is prevent optimizations from introducing
MMX operations, which is unsafe due to the EMMS problem.

llvm-svn: 115243
 2010-09-30 23:57:10 +00:00
Dan Gohman
df2896d609 Eliminate more uses of llvm-as and llvm-dis. 
llvm-svn: 81290
 2009-09-08 23:54:48 +00:00
Evan Cheng
04c0915a2f Implement vector shift up / down and insert zero with ps{rl}lq / ps{rl}ldq. 
llvm-svn: 51667
 2008-05-29 08:22:04 +00:00
Evan Cheng
7ff000c175 Add nounwind. 
llvm-svn: 50837
 2008-05-07 22:59:08 +00:00
Dan Gohman
794fa1f8f7 Convert tests using "| wc -l | grep ..." to use the count script. 
llvm-svn: 41097
 2007-08-15 13:36:28 +00:00
Bill Wendling
c41beb8e13 Testcases for MMX. 
llvm-svn: 36408
 2007-04-24 22:28:30 +00:00