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126 Commits

Author SHA1 Message Date
Chris Lattner 11fc319b5d add a note 
llvm-svn: 22681
 2005-08-05 19:18:32 +00:00
Nate Begeman 8e2411334c Implement the optimization for the Red Zone on Darwin. This removes the 
unnecessary SP manipulation in leaf routines that don't need it.

llvm-svn: 22522
 2005-07-27 06:06:29 +00:00
Chris Lattner 1defb7fe80 add a note about the red zone 
llvm-svn: 22518
 2005-07-26 19:07:51 +00:00
Nate Begeman 7b8733571e Update the PPC readme 
llvm-svn: 22516
 2005-07-26 18:59:06 +00:00
Nate Begeman 08698cf644 Update PPC readme. Remove things that are done or aren't ppc specific 
llvm-svn: 21232
 2005-04-11 20:48:57 +00:00
Nate Begeman 0822032c95 Put int the getReg cast optimization from x86 so that we generate fewer 
move instructions for the register allocator to coalesce.

llvm-svn: 17608
 2004-11-08 02:25:40 +00:00
Nate Begeman 4c6e1d694c Update to-do list 
llvm-svn: 17235
 2004-10-26 04:10:53 +00:00
Nate Begeman 4bfceb1ed5 All PPC instructions are now auto-printed 
32 and 64 bit AsmWriters unified
Darwin and AIX specific features of AsmWriter split out

llvm-svn: 16163
 2004-09-04 05:00:00 +00:00
Nate Begeman 8cb6bd5f3c Improvements to int->float cast code for PPC-64 
llvm-svn: 16105
 2004-08-29 22:02:43 +00:00
Nate Begeman 4483df8b63 Implement the following missing functionality in the PPC backend: 
cast fp->bool
cast ulong->fp
algebraic right shift long by non-constant value
These changes tested across most of the test suite.  Fixes Regression/casts

llvm-svn: 16081
 2004-08-29 08:19:32 +00:00
Nate Begeman abf3c4d787 remove some things from the todo list. 
llvm-svn: 15956
 2004-08-20 18:46:54 +00:00
Nate Begeman ab6b08d937 Update the current state of the world 
llvm-svn: 15809
 2004-08-16 05:06:43 +00:00
Nate Begeman 78862c3717 Add future optimization opportunity 
llvm-svn: 15760
 2004-08-15 06:43:10 +00:00
Nate Begeman 412602d7d9 Replace PowerPCPEI.cpp with target independant PrologEpilogInserter 
llvm-svn: 15746
 2004-08-14 22:16:36 +00:00
Nate Begeman 63be70d8f2 Fix casts of float to unsigned long 
Replace STDX (store 64 bit int indexed) with STFDX (store double indexed)
Fix latent bug in indexed load generation
Generate indexed loads and stores in many more cases

llvm-svn: 15626
 2004-08-10 20:42:36 +00:00
Chris Lattner a8dcf2423e Changes commited for Nate Begeman: 
Use a PowerPC specific prolog epilog inserter to control where spilled
callee save regs are placed on the stack.
Get rid of implicit return address stack slot, save return address reg
(LR) in appropriate slot
Improve code generated for functions that don't have calls or access
globals


Note from Chris: PowerPCPEI will eventually be eliminated, once the
functionality is merged into CodeGen/PrologEpilogInserter.cpp

llvm-svn: 15536
 2004-08-06 06:58:50 +00:00
Misha Brukman 695d50d030 * Conditional save/restore of LR disabled as it's not quite correct 
* sumarray2d fixed: large fixed-size alloca
* make is now compileable
* Re-organized tests to fit them under proper headings

Patch by Nate Begeman.

llvm-svn: 15347
 2004-07-30 15:53:09 +00:00
Misha Brukman 7f01b2539b Add notes on bug involving casting ulong -> double, thanks to Nate Begeman. 
llvm-svn: 15307
 2004-07-28 19:16:10 +00:00
Misha Brukman bd1d7dceb7 Reorganize tests to place them in proper directories. 
llvm-svn: 15298
 2004-07-28 00:55:12 +00:00
Misha Brukman 04dee3bb66 UnitTests 2003-05-26-Shorts and 2003-07-09-LoadShorts have been fixed; 
2003-05-22-VarSizeArray is broken.

llvm-svn: 15297
 2004-07-28 00:01:41 +00:00
Misha Brukman 2ffb787446 Branch selection support implemented by Nate Begeman for long branches. 
llvm-svn: 15288
 2004-07-27 18:43:04 +00:00
Misha Brukman 9eaa879f49 Fixed saving/restoring LR unconditionally, only done as necessary. 
llvm-svn: 15275
 2004-07-27 17:17:48 +00:00
Misha Brukman d815472ebd More notes on bugs, unimplemented features, and suggested code improvements. 
Written by Nate Begeman.

llvm-svn: 15235
 2004-07-26 16:23:55 +00:00
Misha Brukman 8930d4f24e Running list of bugs, unimplemented features, currently broken tests, until we 
have a nightly tester set up for PowerPC.

llvm-svn: 15147
 2004-07-23 22:37:22 +00:00
Misha Brukman a97f29237e This file is no longer applicable. 
llvm-svn: 14294
 2004-06-21 20:17:41 +00:00
Misha Brukman e05203fb40 Initial revision 
llvm-svn: 14283
 2004-06-21 16:55:25 +00:00