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2 Commits

Author SHA1 Message Date
Tom Stellard 85e8b6d5f9 R600/SI: Use a ComplexPattern for DS loads and stores 
llvm-svn: 216278
 2014-08-22 18:49:33 +00:00
Matt Arsenault 5015a89aa5 R600/SI: Implement isLegalAddressingMode 
The default assumes that a 16-bit signed offset is used.
LDS instruction use a 16-bit unsigned offset, so it wasn't
being used in some cases where it was assumed a negative offset
could be used.

More should be done here, but first isLegalAddressingMode needs
to gain an addressing mode argument. For now, copy most of the rest
of the default implementation with the immediate offset change.

llvm-svn: 215732
 2014-08-15 17:17:07 +00:00