107 Commits

Author SHA1 Message Date
Chris Lattner
7888f74224 Substantial fixes to live range handling, fixing several problems, getting
strtol to not miscompile, and fixing bug: 2002-12-23-LocalRAProblem.llx

llvm-svn: 5132
2002-12-24 00:04:55 +00:00
Chris Lattner
5ddc4b5f94 * Fix several register aliasing bugs
* Add a new option to eliminate spilling of registers that are only used
  within a basic block.

llvm-svn: 5106
2002-12-18 08:14:26 +00:00
Chris Lattner
c6ac5c70c6 Use new reginfo interface
llvm-svn: 5099
2002-12-17 04:19:40 +00:00
Chris Lattner
e66a7e80c3 Add prolog/epilog spills/reloads to counters
Move X86 specific alignment gunk to X86 files

llvm-svn: 5096
2002-12-17 03:16:10 +00:00
Chris Lattner
8dd15fd26c Fix many bugs, regallocator now saves callee-save registers instead of target
llvm-svn: 5093
2002-12-17 02:50:10 +00:00
Chris Lattner
cdcde16ad0 * Fix a gross X86 hack that was intended to avoid allocating SP and BP
* Implement register alias set support

llvm-svn: 5082
2002-12-16 17:44:42 +00:00
Chris Lattner
d44868a709 Initial checkin of "local" register allocator. Bugs are still present.
llvm-svn: 5078
2002-12-16 16:15:28 +00:00