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Commit Graph

3 Commits

Author SHA1 Message Date
Chad Rosier
17f25ea47b [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
ffd2dbd676 [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
328a6a980b 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