Commit Graph

3 Commits

Author SHA1 Message Date
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