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LLVM backend for 6502
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6d9fe79afe
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Jakob Stoklund Olesen 6d9fe79afe Reapply r185393. 
Original commit message:

Remove floating point computations from SpillPlacement.cpp.

Patch by Benjamin Kramer!

Use the BlockFrequency class instead of floats in the Hopfield network
computations. This rescales the node Bias field from a [-2;2] float
range to two block frequencies BiasN and BiasP pulling in opposite
directions. This construct has a more predictable behavior when block
frequencies saturate.

The per-node scaling factors are no longer necessary, assuming the block
frequencies around a bundle are consistent.

This patch can cause the register allocator to make different spilling
decisions. The differences should be small.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186434 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-16 18:26:15 +00:00
autoconf No ',' between programs. 2013-07-08 21:18:54 +00:00
bindings We're in 3.4 land now. 2013-05-07 20:31:28 +00:00
cmake Find xdot or xdot.py. 2013-07-08 20:24:54 +00:00
docs Correct inaccurate statement in FileCheck docs. 2013-07-14 18:12:25 +00:00
examples ExceptionDemo: Corresponding to r181820, SectionMemoryManager should belong to RTDyldMemoryManager. 2013-05-14 23:05:00 +00:00
include [Support] Add a Unicode conversion wrapper from UTF16 to UTF8 2013-07-16 17:14:33 +00:00
lib Reapply r185393. 2013-07-16 18:26:15 +00:00
projects The build system is currently miss-identifying GNU/kFreeBSD as FreeBSD. 2013-07-01 08:07:52 +00:00
runtime Remove "-Wl,-seg1addr -Wl,0xE0000000" from link options. 2013-06-04 15:26:37 +00:00
test [X86] Use min/max to optimze unsigend vector comparison on X86 2013-07-16 18:20:45 +00:00
tools On error, close the temporary file descriptor. 2013-07-16 16:00:32 +00:00
unittests Make SpecialCaseList match full strings, as documented, using anchors. 2013-07-16 17:56:07 +00:00
utils This patch allows targets to define weather the instruction mnemonics in asm matcher tables will contain '.' character. 2013-07-16 09:22:38 +00:00
.arcconfig
.gitignore
CMakeLists.txt Support using "host" as a target in LLVM_TARGETS_TO_BUILD when using cmake. 2013-06-26 07:57:53 +00:00
CODE_OWNERS.TXT Add more owners to CODE_OWNERS.TXT (Kostya Serebryany: AddressSanitizer and ThreadSanitizer; Evgeniy Stepanov: MemorySanitizer) 2013-06-27 08:47:12 +00:00
configure No ',' between programs. 2013-07-08 21:18:54 +00:00
CREDITS.TXT Identify me on IRC. 2013-06-18 22:09:36 +00:00
LICENSE.TXT Be more specific and capitalize filenames. 2013-05-21 21:22:34 +00:00
llvm.spec.in
LLVMBuild.txt
Makefile Fix regular expression used by 'make update' to only look for 'I' and '?' at the start of svn info results and to check for spaces after 'I' instead of just after '?'. 2013-07-03 14:48:37 +00:00
Makefile.common
Makefile.config.in Add an autoconf option for turning on -gsplit-dwarf by default 2013-06-25 01:12:25 +00:00
Makefile.rules The build system is currently miss-identifying GNU/kFreeBSD as FreeBSD. 2013-07-01 08:07:52 +00:00
README.txt

README.txt 

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