LLVM backend for 6502
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Vikram S. Adve 242a8086aa Numerous bug fixes:
-- correct sign extensions for integer casts and for shift-by-constant
   instructions generated for integer multiply
-- passing FP arguments to functions with more than 6 arguments
-- passing FP arguments to varargs functions
-- passing FP arguments to functions with no prototypes
-- incorrect stack frame size when padding a section
-- folding getelementptr operations with mixed array and struct indexes
-- use uint64_t instead of uint for constant offsets in mem operands
-- incorrect coloring for CC registers (both int and FP): interferences
   were being completely ignored for int CC and were considered but no
   spills were marked for fp CC!

Also some code improvements:
-- better interface to generating machine instr for common cases
   (many places still need to be updated to use this interface)
-- annotations on MachineInstr to communicate information from
   one codegen phase to another (now used to pass information about
   CALL/JMPLCALL operands from selection to register allocation)
-- all sizes and offests in class TargetData are uint64_t instead of uint


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2640 91177308-0d34-0410-b5e6-96231b3b80d8
2002-05-19 15:25:51 +00:00
docs New file 2002-05-13 22:19:50 +00:00
include Invoke inst has side effects! 2002-05-14 04:20:25 +00:00
lib Numerous bug fixes: 2002-05-19 15:25:51 +00:00
runtime Remove compilation of __main because we now link -lgcc into programs 2002-03-22 19:13:47 +00:00
support/lib/Support Initial checkin of Statistic class. 2002-05-10 15:36:46 +00:00
test New C backend testcases with first testcase 2002-05-17 04:53:52 +00:00
tools Run another local value numbering phase after redundancy elimination 2002-05-14 16:23:14 +00:00
utils Change script to not even look in test/ directory, significantly speeding it up 2002-05-07 18:42:09 +00:00
cvsupdate Merge Chris's script with the one already checked in 2002-04-29 19:11:01 +00:00
getsomesrcs.sh Filter out noncore stuff 2001-07-25 22:46:22 +00:00
getsrcs.sh Change script to not even look in test/ directory, significantly speeding it up 2002-05-07 18:42:09 +00:00
Makefile Initial revision 2001-06-06 20:29:01 +00:00
Makefile.common * Allow a profile'd code build to be done with a simple 'make ENABLE_PROFILING=1' 2002-05-10 18:51:54 +00:00
Makefile.rules * Allow a profile'd code build to be done with a simple 'make ENABLE_PROFILING=1' 2002-05-10 18:51:54 +00:00