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R600: Relax some vector constraints on Dot4.

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Dot4 now uses 8 scalar operands instead of 2 vectors one which allows register
coalescer to remove some unneeded COPY.
This patch also defines some structures/functions that can be used to handle
every vector instructions (CUBE, Cayman special instructions...) in a similar
fashion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182126 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vincent Lejeune
2013-05-17 16:50:32 +00:00
parent d3293b49f9
commit 4ed9917147
11 changed files with 281 additions and 27 deletions
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lib/Target/R600/AMDGPUISelLowering.h
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@@ -126,6 +126,7 @@ enum {
SMIN,
UMIN,
URECIP,
DOT4,
TEXTURE_FETCH,
EXPORT,
CONST_ADDRESS,