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Alexey Volkov a2bc6951a0 [X86] Use ADD/SUB instead of INC/DEC for Silvermont
According to Intel Software Optimization Manual 
on Silvermont INC or DEC instructions require 
an additional uop to merge the flags.
As a result, a branch instruction depending 
on an INC or a DEC instruction incurs a 1 cycle penalty.

Differential Revision: http://reviews.llvm.org/D3990



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210466 91177308-0d34-0410-b5e6-96231b3b80d8
2014-06-09 11:40:41 +00:00
autoconf
bindings
cmake
docs [docs] Fix typo, align comments, fix syntax highlighting 2014-06-09 10:12:29 +00:00
examples
include Escape "@function" with \verbatim. [-Wdocumentation] 2014-06-08 23:25:02 +00:00
lib [X86] Use ADD/SUB instead of INC/DEC for Silvermont 2014-06-09 11:40:41 +00:00
projects
test [AArch64] Missing aliases for CMP/CMN [W]SP with no shift 2014-06-09 11:10:14 +00:00
tools tools: add a high level explanation for WoA EH data 2014-06-07 19:23:07 +00:00
unittests [C++11] Use 'nullptr'. 2014-06-08 22:29:17 +00:00
utils [C++11] Use 'nullptr'. 2014-06-08 22:29:17 +00:00
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