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3 Commits

Author SHA1 Message Date
Preston Gurd
d6ac8e9a03 This patch adds the X86FixupLEAs pass, which will reduce instruction 
latency for certain models of the Intel Atom family, by converting
instructions into their equivalent LEA instructions, when it is both
useful and possible to do so.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180573 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-04-25 20:29:37 +00:00
Preston Gurd
5b50701b1c Fix remaining lit tests which were failing when run on an Atom 
processor.

Patches by Tyler Nowicki, Andy Zhang, and Preston Gurd!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160520 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-07-19 18:53:21 +00:00
Dan Gohman
92b651fb19 Fix X86's isLegalAddressingMode to recognize that static addresses 
need not be RIP-relative in small mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111917 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 15:55:12 +00:00