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	Commit message (Collapse)	Author	Age	Files	Lines
*	Re-introduce the 8-bit subreg zext-inreg patterns for x86-32,	Dan Gohman	2008-08-06	1	-0/+15
\| \| \| \| \| \| \| \|	this time using MOV32to32_ and MOV16to16_. Thanks to Evan for suggesting this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54418 91177308-0d34-0410-b5e6-96231b3b80d8
*	Reapply r54147 with a constraint to only use the 8-bit	Dan Gohman	2008-07-30	1	-0/+51
\| \| \| \| \| \| \| \| \| \| \| \|	subreg form on x86-64, to avoid the problem with x86-32 having GPRs that don't have 8-bit subregs. Also, change several 16-bit instructions to use equivalent 32-bit instructions. These have a smaller encoding and avoid partial-register updates. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54223 91177308-0d34-0410-b5e6-96231b3b80d8
*	Revert 54147.	Dan Gohman	2008-07-29	1	-62/+0
\| \| \| \|	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54148 91177308-0d34-0410-b5e6-96231b3b80d8
*	Add x86 isel patterns to match what would be a ZERO_EXTEND_INREG operation,	Dan Gohman	2008-07-28	1	-0/+62
	which is represented in codegen as an 'and' operation. This matches them with movz instructions, instead of leaving them to be matched by and instructions with an immediate field. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54147 91177308-0d34-0410-b5e6-96231b3b80d8