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LLVM backend for 6502
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9df4eb8cfe
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David Greene 9df4eb8cfe Change IndexedModeAction representation. 
This changes the IndexedModeAction representation to remove the
limitation on the number of value types in MVT.  This limitation
prevents us from specifying AVX types.

Prior to this change IndexedModActions was represented as follows...

uint64_t IndexedModeActions[2][ISD::LAST_INDEXED_MODE];

the first dimension was used to represent loads, then stores.  This
imposed a limitation of 32 on the number of value types that could be
handled with this method.  The value type was used to shift the two bits
into and out of the approprate bits in the uint64_t.

With this change the array is now represented as ...

uint8_t IndexedModeActions[MVT::LAST_VALUETYPE][2][ISD::LAST_INDEXED_MODE];

Takes more space but removes the limitation on MVT::LAST_VALUETYPE.  The
first dimension is now the value_type for the reference.  The second
dimension is the load [0] vs. store[1].  The third dimension represents
the various modes for load store.  Accesses are now direct, no shifting
or masking.

There are other limitations that need to be removed, so that
MVT::LAST_VALUETYPE can be greater than 32.  This is merely the first
step towards that goal.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73102 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-08 23:53:19 +00:00
autoconf Add a flag to permit disabling libffi. 2009-06-06 06:24:44 +00:00
bindings Give embedded metadata its own type instead of relying on EmptyStructTy. 2009-05-30 05:06:04 +00:00
cmake More portability checks for CMake's config.h. 2009-06-05 23:46:34 +00:00
docs Add a !patsubst operator. Use on string types. 2009-06-08 23:05:37 +00:00
examples
include Change IndexedModeAction representation. 2009-06-08 23:53:19 +00:00
lib Typo 2009-06-08 22:59:50 +00:00
projects
runtime
test Add a !patsubst operator. Use on string types. 2009-06-08 23:05:37 +00:00
tools A basic PIC16 toolchain driver. 2009-06-07 07:08:01 +00:00
unittests Give embedded metadata its own type instead of relying on EmptyStructTy. 2009-05-30 05:06:04 +00:00
utils Add a !patsubst operator. Use on string types. 2009-06-08 23:05:37 +00:00
website
win32
Xcode
build-for-llvm-top.sh
CMakeLists.txt Allow setting the C runtime to be used with MSVC from cmake. 2009-06-08 21:18:31 +00:00
configure Regenerate. 2009-06-06 06:25:09 +00:00
CREDITS.TXT Use latin symbols. I was told not everybody has a UTF-8 capable editor. 2009-05-23 20:40:47 +00:00
LICENSE.TXT
llvm.spec.in
Makefile
Makefile.common
Makefile.config.in
Makefile.rules On platforms like Sparc64 you need to pass -r to 2009-06-05 15:05:19 +00:00
ModuleInfo.txt
README.txt

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