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10070 Commits

Author SHA1 Message Date
Chris Lattner 135dcc024b Revised version of a patch for PR222 that works with my version of gmake. 
llvm-svn: 11104
 2004-02-03 23:05:24 +00:00
Chris Lattner 3d96eb6fa6 Bug fixed 
llvm-svn: 11103
 2004-02-03 22:59:56 +00:00
Chris Lattner 6bd75a6223 Apply Michael Kahl's patch to fix the 'make tools-only' target when OBJDIR != SRCDIR. 
See PR222.

llvm-svn: 11102
 2004-02-03 22:56:40 +00:00
Chris Lattner ae51cae111 Bunch up all locally used allocas by the block they are allocated in, and 
process them all as a group.  This speeds up SRoA/mem2reg from 28.46s to
0.62s on the testcase from PR209.

llvm-svn: 11100
 2004-02-03 22:34:12 +00:00
Chris Lattner 3784188620 Handle extremely trivial cases extremely efficiently. This speeds up 
SRoA/mem2reg from 41.2s to 27.5s on the testcase in PR209.

llvm-svn: 11099
 2004-02-03 22:00:33 +00:00
Chris Lattner d1b1992495 Generate ftst instructions for comparison against zero 
llvm-svn: 11098
 2004-02-03 18:54:04 +00:00
Chris Lattner 8a63001939 bug fixed 
llvm-svn: 11097
 2004-02-03 08:03:41 +00:00
Chris Lattner 3c8c72c54f Add the ftst instruction 
llvm-svn: 11095
 2004-02-03 07:27:50 +00:00
Chris Lattner 8161306139 Add support for one argument OneArgFP instructions 
llvm-svn: 11094
 2004-02-03 07:27:34 +00:00
Alkis Evlogimenos 3d100ef0ca When an instruction like: A += B had both A and B virtual registers 
spilled, A was loaded from its stack location twice. This fixes the bug.

llvm-svn: 11093
 2004-02-03 01:13:07 +00:00
Alkis Evlogimenos 74b26f77a3 Revert changes. Will implement this using a different set of primitives 
llvm-svn: 11091
 2004-02-02 23:08:58 +00:00
Alkis Evlogimenos 6e34205653 Fix debugging output. 
llvm-svn: 11088
 2004-02-02 22:00:32 +00:00
Alkis Evlogimenos 6471e66fbb Correctly update def/use information for modified machine operands. 
llvm-svn: 11087
 2004-02-02 21:56:40 +00:00
Alkis Evlogimenos 5f03f684ed Add MachineOperand::setDef() and MachineOperand::setUse() so that the 
TwoAddressInstructionPass can correctly update use/def information.

llvm-svn: 11086
 2004-02-02 21:55:18 +00:00
Alkis Evlogimenos 86ff30deab Should be more careful. The previously applied change made all counts 
outside of loops = 0.

llvm-svn: 11085
 2004-02-02 20:29:57 +00:00
Chris Lattner bcade4b8e6 Floating point negates are -0.0 - X, not 0.0 - X 
llvm-svn: 11084
 2004-02-02 20:21:29 +00:00
Chris Lattner c2f0aa58df Disable (x - (y - z)) => (x + (z - y)) optimization for floating point. 
llvm-svn: 11083
 2004-02-02 20:09:56 +00:00
Chris Lattner cacd30b957 Update comment 
llvm-svn: 11082
 2004-02-02 20:09:22 +00:00
Chris Lattner 63b61e8739 No need to declare implicit uses/defs of ST0 
llvm-svn: 11081
 2004-02-02 19:57:45 +00:00
Chris Lattner d932cbf613 Bug fixed 
llvm-svn: 11080
 2004-02-02 19:40:06 +00:00
Brian Gaeke 6204e75c4a Make deadarghaX0r warning louder. 
(I just love typing haX0r.   haX0r haX0r haX0r.)

llvm-svn: 11079
 2004-02-02 19:32:27 +00:00
Chris Lattner 30d26ac561 Generate the fchs instruction to negate a floating point number 
llvm-svn: 11078
 2004-02-02 19:31:38 +00:00
Chris Lattner 7af8ad6444 Add support for OneArgFPRW instructions, fix a couple of typeos 
llvm-svn: 11077
 2004-02-02 19:23:15 +00:00
Brian Gaeke ac2ced8554 Include PowerPC.h. Flesh out the stub versions of addPassesToEmitAssembly() 
and addPassesToJITCompile() slightly.

llvm-svn: 11076
 2004-02-02 19:06:36 +00:00
Brian Gaeke 57b8ef2693 Add a -march=powerpc option. Automatically select it if this looks like a 
big-endian, 32-bit module, or if __ppc__, __POWERPC__, or __APPLE__ are
defined.

llvm-svn: 11075
 2004-02-02 19:06:12 +00:00
Brian Gaeke 53f4c48393 Link in the PowerPC back-end. 
llvm-svn: 11074
 2004-02-02 19:05:52 +00:00
Brian Gaeke 2458bd6507 Add comments describing how you would add prototypes for factory methods for 
PowerPC-specific passes here.

llvm-svn: 11073
 2004-02-02 19:05:28 +00:00
Brian Gaeke fea8eb8938 Add prototype for llvm::allocatePowerPCTargetMachine(). 
llvm-svn: 11072
 2004-02-02 19:05:08 +00:00
Chris Lattner 298fdd7eb1 Codegen -0.0 correctly. Do not use fldz! This is another -0.0 == +0.0 problem, arg. 
llvm-svn: 11070
 2004-02-02 18:56:30 +00:00
Chris Lattner 6fe75845f9 Correct the method I just added to actually return false sometimes 
llvm-svn: 11069
 2004-02-02 18:53:04 +00:00
Chris Lattner 29734bccc5 Add a new method to ConstantFP 
llvm-svn: 11068
 2004-02-02 18:40:29 +00:00
Chris Lattner 7bae4ce64f Bug fixed 
llvm-svn: 11067
 2004-02-02 17:48:56 +00:00
Alkis Evlogimenos 2cecace9b2 Create an object for tracking physical register usage. This will look 
much better when I get rid of the reserved registers.

llvm-svn: 11066
 2004-02-02 07:30:36 +00:00
Chris Lattner e2d6189513 Bug fixed 
llvm-svn: 11065
 2004-02-01 22:52:12 +00:00
Chris Lattner ac80ea4970 Second half of a fix for PR218 & test/Regression/Assembler/2004-02-01-NegativeZero.llx. 
Basically we store floating point values as their integral components, instead of relying
on the semantics of floating point < to differentiate between values.  This is likely to
make the map search be faster anyway.

llvm-svn: 11064
 2004-02-01 22:49:04 +00:00
Chris Lattner 5e2feb4a0f The first half of a fix for PR218 & test/Regression/Assembler/2004-02-01-NegativeZero.llx 
llvm-svn: 11063
 2004-02-01 22:48:09 +00:00
Chris Lattner e55e30917a Add another test 
llvm-svn: 11062
 2004-02-01 22:47:16 +00:00
Alkis Evlogimenos 9b9c0485fd Change weight array into a vector and make it as big as the number of 
registers (not as the max number of registers).

Change toSpill from a std::set into a std::vector<bool>.

Use the reverse iterator adapter to do a reverse scan of allocatable
registers.

llvm-svn: 11061
 2004-02-01 20:13:26 +00:00
Alkis Evlogimenos 5e05a59bf8 Use std::map::count() instead of std::map::find() != std::map::end() 
where appropriate.

llvm-svn: 11060
 2004-02-01 18:39:53 +00:00
Chris Lattner e1146140fc New testcase for PR218 
llvm-svn: 11059
 2004-02-01 18:16:06 +00:00
Alkis Evlogimenos 0df32f636e Add MRegisterInfo::getNumRegs(). 
llvm-svn: 11058
 2004-02-01 17:14:20 +00:00
Alkis Evlogimenos a3a56fa041 Change string for joined intervals. 
llvm-svn: 11057
 2004-02-01 16:13:05 +00:00
Alkis Evlogimenos aeb8a80c71 FpMOV is also a move instruction. 
llvm-svn: 11055
 2004-02-01 08:22:16 +00:00
Alkis Evlogimenos 84a84c38b7 Change xor to ^. 
llvm-svn: 11054
 2004-02-01 08:19:25 +00:00
Chris Lattner eddfe437c7 Now that tailduplication does not bork SSA form, run mem2reg earlier in gccas. 
This tremendously improves the code generated by the LLVM optimizer, primarily
by making the inliner more aggressive.  For example, it improves the stepanov
benchmark from 55.56 mega-additions/sec to 98.04 Ma/s.  It also improves the
oopack/iterator benchmark from 338.3MFLOPS/s to 1103.4MFLOPS/s.  Less noteworthy,
it improves oopack/matrix from 573 -> 641 MFLOPS/s.

llvm-svn: 11053
 2004-02-01 07:24:53 +00:00
Chris Lattner ed9b12c31a Disable tail duplication in any "hard" cases, where it might break SSA form. 
llvm-svn: 11052
 2004-02-01 06:32:28 +00:00
Chris Lattner cae054f59f Fix a bug in a recent checkin 
llvm-svn: 11050
 2004-02-01 05:25:07 +00:00
Chris Lattner 7c91a6176c Fix the count of the number of instructions removed 
llvm-svn: 11049
 2004-02-01 05:15:07 +00:00
Alkis Evlogimenos 8d4f06ed84 Missed one silly assert :-) 
llvm-svn: 11048
 2004-02-01 02:21:31 +00:00
Alkis Evlogimenos 69deb4d236 Simplify joinIntervals() code. 
llvm-svn: 11047
 2004-02-01 02:18:31 +00:00