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LLVM backend for 6502
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b951bc0283
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Reid Spencer b951bc0283 For PR950: 
Remove all grammar conflicts from assembly parsing.  This change involves:
1. Making the "type" keyword not a primitive type (removes several
   reduce/reduce conflicts)
2. Being more specific about which linkage types are allowed for functions
   and global variables. In particular "appending" can no longer be
   specified for a function. A differentiation was made between the various
   internal and external linkage types.
3. Introduced the "define" keyword which is now required when defining a
   function. This disambiguates several cases where a named function return
   type could get confused with the definition of a new type. Using the
   keyword eliminates all shift/reduce conflicts and the remaining
   reduce/reduce conflicts.

These changes are necessary to implement the function parameter attributes
that will be introduced soon. Adding the function parameter attributes in
the presence of the shift/reduce and reduce/reduce conflicts led to severe
ambiguities that caused the parser to report syntax errors that needed to
be resolved. This patch resolves them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32770 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-29 20:29:48 +00:00
autoconf Add a new variable, LLVMGCCLIBEXEC to get the libexec directory where the 2006-12-21 22:55:41 +00:00
docs Preview of new calling conventions: cextcc and csretextcc to handle explicit 2006-12-28 16:55:55 +00:00
examples For PR950: 2006-12-23 06:05:41 +00:00
include/llvm Make a variable private now that the conditions requiring it to be 2006-12-29 04:12:03 +00:00
lib For PR950: 2006-12-29 20:29:48 +00:00
projects For PR950: 2006-12-23 06:05:41 +00:00
runtime Undo removal of the runtime libraries. While this may have been a bit 2006-11-17 03:32:33 +00:00
test Run llvm-upgrade on test to prepare for new assembly syntax. 2006-12-29 20:21:51 +00:00
tools For PR950: 2006-12-23 06:05:41 +00:00
utils Remove some clutter and make it keep going instead of stopping at the 2006-12-18 00:37:37 +00:00
win32 Partial unbreak of VC++ (stream stuff has no easy fix). 2006-12-15 21:47:01 +00:00
Xcode Try again. 2006-11-05 21:21:20 +00:00
.cvsignore Add llvm.spec, a generated file. 2006-10-18 19:23:56 +00:00
configure Add a new variable, LLVMGCCLIBEXEC to get the libexec directory where the 2006-12-21 22:55:41 +00:00
CREDITS.TXT The list is sorted by name. 2006-08-29 01:42:47 +00:00
LICENSE.TXT burg is gone 2006-09-11 17:28:11 +00:00
llvm.spec.in Minor technical correction in documentation. 2006-08-21 01:58:57 +00:00
Makefile Undo removal of the runtime libraries. While this may have been a bit 2006-11-17 03:32:33 +00:00
Makefile.common
Makefile.config.in Add a new variable, LLVMGCCLIBEXEC to get the libexec directory where the 2006-12-21 22:55:41 +00:00
Makefile.rules Allow an --enable-pic option to turn on -fPIC compiler option when building. 2006-12-16 22:07:52 +00:00
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