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5 Commits

Author SHA1 Message Date
Craig Topper daa5ed1e0a Add patterns for converting stores of subvector_extracts of lower 128-bits of a 256-bit vector to VMOVAPSmr/VMOVUPSmr. 
llvm-svn: 163292
 2012-09-06 05:15:01 +00:00
Craig Topper bfc1d0ed48 Commit test change for r162658. 
llvm-svn: 162660
 2012-08-27 07:55:50 +00:00
Chad Rosier 4106917355 [avx] Add patterns for combining vextractf128 + vmovaps/vmovups/vmobdqu to 
vextractf128 with 128-bit mem dest.

Combines

	vextractf128 $0, %ymm0, %xmm0
	vmovaps %xmm0, (%rdi)

to

    vextractf128 $0, %ymm0, (%rdi)

rdar://11082570

llvm-svn: 153139
 2012-03-20 21:43:40 +00:00
Chad Rosier 5a6011267a [avx] Move the vextractf128 patterns closer to the vextractf128 def. Remove 
whitespace from test case.  No functional change intended.

llvm-svn: 153103
 2012-03-20 18:24:55 +00:00
Bruno Cardoso Lopes 8fbf023c9b Add a dag combine to xform 256-bit shuffles into simple vector 
inserts and extracts. This simple combine makes us generate only 1
instruction instead of 11 in the v8 case.

llvm-svn: 137362
 2011-08-11 21:50:44 +00:00