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LLVM backend for 6502
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53774a821d
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Bill Schmidt 53774a821d Use direct types in most PowerPC Altivec instructions and patterns. 
This follows up Ulrich Weigand's work in PPCInstrInfo.td and
PPCInstr64Bit.td by doing the corresponding work for most of the
Altivec patterns.  I have not been able to do anything for the
following classes of instructions:

(1) Vector logicals.  These don't have corresponding intrinsics and
don't have a single obvious vector type.  So far as I can tell I need
to leave these as VRRC.  Affected instructions are:  VAND, VANDC,
VNOR, VOR, VXOR, V_SET0.

(2) Instructions that make use of vector shuffle.  The selection code
promotes all shuffles to v16i8, so any pattern that matches on a
shuffle is constrained.  I haven't found any way to make the patterns
match on their natural types, so I plan to leave these as VRRC.
Affected instructions are:  VMRG*, VSPLTB, VSPLTH, VSPLTW, VPKUHUM,
VPKUWUM.

No change in behavior is anticipated.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178277 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-28 19:27:24 +00:00
autoconf Refine fenv.h handling: check if the desired macros exist, before using 2013-03-25 13:13:33 +00:00
bindings
cmake Add CMake option LLVM_USE_SANITIZER={Address,Memory,MemoryWithOrigins} to simplify bootstrap of LLVM/Clang under ASan/MSan 2013-03-26 07:49:46 +00:00
docs Correct spelling of Git. 2013-03-28 18:06:20 +00:00
examples Update links to "Itanium C++ ABI: Exception Handling" document 2013-01-13 15:53:09 +00:00
include Seciton 24.2.2 of the C++ standard, [iterator.iterators], Table 106 2013-03-28 15:47:50 +00:00
lib Use direct types in most PowerPC Altivec instructions and patterns. 2013-03-28 19:27:24 +00:00
projects Print a warning message if compiler-rt can't be built because of old CMake version to make this requirement more visible to users 2013-03-05 14:43:07 +00:00
runtime Remove GCDAProfiling.c. This copy is old, the copy in compiler-rt is newer and 2013-03-07 02:03:08 +00:00
test Add the PPC64 ldbrx/stdbrx instructions 2013-03-28 19:25:55 +00:00
tools Manually update the dependencies in the Makefiles. It turns out that all 2013-03-26 03:45:47 +00:00
unittests Disable JIT/MCJIT tests in unittests/ExecutionEngine for the targets that don't support JIT. 2013-03-28 03:38:29 +00:00
utils Avoid undefined behavior from passing a std::vector's own contents 2013-03-27 18:44:56 +00:00
.arcconfig
.gitignore
CMakeLists.txt Add CMake option LLVM_USE_SANITIZER={Address,Memory,MemoryWithOrigins} to simplify bootstrap of LLVM/Clang under ASan/MSan 2013-03-26 07:49:46 +00:00
CODE_OWNERS.TXT Update 2013-03-18 17:47:33 +00:00
configure Refine fenv.h handling: check if the desired macros exist, before using 2013-03-25 13:13:33 +00:00
CREDITS.TXT Update 2013-03-18 17:47:33 +00:00
LICENSE.TXT Add LICENSE.TXT covering contributions made by ARM. 2013-01-07 10:04:49 +00:00
llvm.spec.in
LLVMBuild.txt
Makefile Improved svn repo searching for 'make update' 2013-01-28 03:19:57 +00:00
Makefile.common
Makefile.config.in Turn anonymous type in anonymous union warning back on after cleaning up 2013-03-15 00:43:00 +00:00
Makefile.rules Turn anonymous type in anonymous union warning back on after cleaning up 2013-03-15 00:43:00 +00:00
README.txt Revert "Test commit" 2013-02-22 19:19:41 +00:00

README.txt 

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