108 Commits

Author	SHA1	Message	Date
Chris Lattner	42714ec1bd	Adjust to simpler spill interface ... Only spill and reload caller saved registers that are actually modified. llvm-svn: 5145	2002-12-25 05:05:46 +00:00
Chris Lattner	763729c5cd	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	d4627093de	* 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	ac5f3b3ed3	Use new reginfo interface ... llvm-svn: 5099	2002-12-17 04:19:40 +00:00
Chris Lattner	0ea32b8dd3	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	4664bd5798	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	0129b86d55	* 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	101b8cd9b6	Initial checkin of "local" register allocator. Bugs are still present. ... llvm-svn: 5078	2002-12-16 16:15:28 +00:00