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256 Commits

Author SHA1 Message Date
Nate Begeman
0be60963bd Fix some of the stuff in the PPC README file, and clean up legalization 
of the SELECT_CC, BR_CC, and BRTWOWAY_CC nodes.

llvm-svn: 25875
 2006-02-01 07:19:44 +00:00
Evan Cheng
f115c17f23 Allow the specification of explicit alignments for constant pool entries. 
llvm-svn: 25855
 2006-01-31 22:23:14 +00:00
Chris Lattner
5f0a3df176 Targets all now request ConstantFP to be legalized into TargetConstantFP. 
'fpimm' in .td files is now TargetConstantFP.

llvm-svn: 25771
 2006-01-29 06:26:08 +00:00
Nate Begeman
87c2c0e66b Implement Promote for VAARG, and allow it to be custom promoted for people 
who don't want the default behavior (Alpha).

llvm-svn: 25726
 2006-01-28 03:14:31 +00:00
Chris Lattner
d467a681e9 Remove some dead code 
llvm-svn: 25719
 2006-01-28 00:02:51 +00:00
Nate Begeman
d2c6fbef4a Remove TLI.LowerReturnTo, and just let targets custom lower ISD::RET for 
the same functionality.  This addresses another piece of bug 680.  Next,
on to fixing Alpha VAARG, which I broke last time.

llvm-svn: 25696
 2006-01-27 21:09:22 +00:00
Chris Lattner
20d4194a0d PHI and INLINEASM are now built-in instructions provided by Target.td 
llvm-svn: 25674
 2006-01-27 01:46:15 +00:00
Duraid Madina
f868d1777b fix stack corruption! Previously, 16-byte whole-FP-register stores were 
being treated as needing only 8 bytes (though they were 16 byte aligned.)

This should fix a bunch of tests - anyone have any comments, though?

  - in Target.td , SpillSize and SpillAlignment seem dead - is this what
    Size and Alignment do now?
  - in CodeGenRegisters.h/CodeGenTarget.cpp , DeclaredSpillSize and
    DeclaredSpillAlignment seem dead.
  - there are a bunch of comments here and there that don't clearly
    distinguish between 'size' and 'spillsize' etc. hmm.

llvm-svn: 25644
 2006-01-26 09:45:03 +00:00
Duraid Madina
13335846a8 some hoovering 
llvm-svn: 25643
 2006-01-26 09:08:31 +00:00
Evan Cheng
7da6daadc7 Set SchedulingForLatency to be the default scheduling preference for all. 
llvm-svn: 25607
 2006-01-25 18:52:42 +00:00
Nate Begeman
c29fac7fce First part of bug 680: 
Remove TLI.LowerVA* and replace it with SDNodes that are lowered the same
way as everything else.

llvm-svn: 25606
 2006-01-25 18:21:52 +00:00
Evan Cheng
c368fb710f Default scheduling preference is SchedulingForLatency. 
llvm-svn: 25603
 2006-01-25 09:15:54 +00:00
Duraid Madina
7d51a9b8e3 add bundling! well not really, for now it's just stop-insertion. 
llvm-svn: 25593
 2006-01-25 02:23:38 +00:00
Duraid Madina
fa9095ff95 die, die!! r15, you are not callee-saved 
llvm-svn: 25527
 2006-01-23 06:11:45 +00:00
Duraid Madina
43e8616515 fix register corruption! (my god.) r15 is a scratch reg, using that as 
a frame pointer is a pretty doofus thing to do. use r5 instead, and
mark it callee-saved, coz that's what it is!

llvm-svn: 25526
 2006-01-23 06:08:46 +00:00
Chris Lattner
aafc339b4e Add explicit #includes of <iostream> 
llvm-svn: 25515
 2006-01-22 23:41:00 +00:00
Duraid Madina
019bfb760c insignificant, but next up is proper stack frame layout! 
llvm-svn: 25497
 2006-01-21 14:27:19 +00:00
Duraid Madina
2715941e86 remove RET hack, add proper support for rets (watching out for ret voids) 
llvm-svn: 25486
 2006-01-20 20:24:31 +00:00
Duraid Madina
94bace229d fix sext breakage: now we correctly deal with functions that return 
int vs uint

llvm-svn: 25478
 2006-01-20 16:10:05 +00:00
Duraid Madina
b18a42fd3a fix storing bools! eek! 
llvm-svn: 25476
 2006-01-20 03:40:25 +00:00
Duraid Madina
069b517767 fix boolean XOR (which fixes up comparisons..) 
llvm-svn: 25462
 2006-01-19 15:18:56 +00:00
Duraid Madina
4b75614c9c BOOM! 
llvm-svn: 25460
 2006-01-19 14:14:11 +00:00
Duraid Madina
08771721f9 click click 
llvm-svn: 25459
 2006-01-19 14:13:11 +00:00
Duraid Madina
1946b2ff30 fix calls that return f32 
llvm-svn: 25455
 2006-01-19 08:31:51 +00:00
Duraid Madina
c667c360e3 oops, this shouldn't have gotten in 
llvm-svn: 25388
 2006-01-17 03:09:48 +00:00
Duraid Madina
365cb4f82d use proper (82-bit) spills/fills when spilling FP regs, so that 
divides don't get broken. this fixes obsequi, smg2000, and probably
a bunch of other stuff (tm)

llvm-svn: 25385
 2006-01-17 02:04:52 +00:00
Duraid Madina
f9cc57d93b fixing divides 
llvm-svn: 25383
 2006-01-17 01:19:49 +00:00
Duraid Madina
d359468147 fixing divides: FP should now be 100%, and integers are fine too 
unless you try to div/mod 0 by anything, in which case you will
get some cute number, and not 0, which is bad.

llvm-svn: 25358
 2006-01-16 14:33:04 +00:00
Duraid Madina
12da32f440 fix division! again!! pattern isel, prepare to die. 
llvm-svn: 25353
 2006-01-16 06:33:38 +00:00
Duraid Madina
eb89d7a5d1 explain that r12 is the stack pointer reg 
llvm-svn: 25336
 2006-01-15 09:45:23 +00:00
Chris Lattner
be7efab5dc Cleanup IA64ISD, tell the graph drawer what the symbolic names for the enums are. 
llvm-svn: 25324
 2006-01-14 22:27:21 +00:00
Nate Begeman
85b2dc0c4e bswap implementation 
llvm-svn: 25312
 2006-01-14 03:14:10 +00:00
Duraid Madina
e8b42dc96d don't be a doofus - this fixes storing bools 
llvm-svn: 25274
 2006-01-13 10:28:25 +00:00
Chris Lattner
ea59d9a498 new nodes 
llvm-svn: 25271
 2006-01-13 02:40:58 +00:00
Duraid Madina
f6131d02a9 sabre's (correct) fix means these guys need to be flagged as well (else 
the scheduler will complain)

llvm-svn: 25241
 2006-01-12 03:28:40 +00:00
Chris Lattner
2514d94ca3 Fix an itanium call lowering bug for duraid 
llvm-svn: 25235
 2006-01-12 01:33:08 +00:00
Nate Begeman
2b45fdffcb Missed a spot. 
llvm-svn: 25233
 2006-01-11 23:20:28 +00:00
Nate Begeman
cff96008ac Add bswap, rotl, and rotr nodes 
Add dag combiner code to recognize rotl, rotr
Add ppc code to match rotl

Targets should add rotl/rotr patterns if they have them

llvm-svn: 25222
 2006-01-11 21:21:00 +00:00
Chris Lattner
f9e32005dd tblgen does this now 
llvm-svn: 25220
 2006-01-11 19:53:22 +00:00
Duraid Madina
52e3f53ea5 cleanup GETFD 
llvm-svn: 25198
 2006-01-11 03:50:40 +00:00
Duraid Madina
3246f5317b this just might work 
llvm-svn: 25195
 2006-01-11 01:38:07 +00:00
Duraid Madina
242414e621 add support for selecting bools 
FIXME: this is commented out because it makes tblgen go a bit fruity
llvm-svn: 25193
 2006-01-11 01:21:12 +00:00
Chris Lattner
6a671ed26f silence a bogus warning 
llvm-svn: 25185
 2006-01-10 19:45:18 +00:00
Duraid Madina
e2986589aa heh, 'sif it'd be a legalizer bug. 
llvm-svn: 25172
 2006-01-10 05:26:01 +00:00
Duraid Madina
7034571679 support functions that return bool (this "should" work but doesn't, 
*maybe* due to a legalizer bug.)

llvm-svn: 25171
 2006-01-10 05:08:25 +00:00
Chris Lattner
88239024ca silence a bogus gcc warning 
llvm-svn: 25129
 2006-01-06 17:56:38 +00:00
Jim Laskey
41b3ee3c4f Had expand logic backward. 
llvm-svn: 25105
 2006-01-05 01:47:43 +00:00
Jim Laskey
5eddaee9f3 Added initial support for DEBUG_LABEL allowing debug specific labels to be 
inserted in the code.

llvm-svn: 25104
 2006-01-05 01:25:28 +00:00
Duraid Madina
2ea271c8bf nasty paste-o, calls passing more than 8 arguments along were having 
args >8 put into the wrong place

llvm-svn: 25027
 2005-12-27 10:17:03 +00:00
Evan Cheng
231b11ba87 Added field noResults to Instruction. 
Currently tblgen cannot tell which operands in the operand list are results so
it assumes the first one is a result. This is bad. Ideally we would fix this
by separating results from inputs, e.g. (res R32:$dst),
(ops R32:$src1, R32:$src2). But that's a more distruptive change. Adding
'let noResults = 1' is the workaround to tell tblgen that the instruction does
not produces a result. It works for now since tblgen does not support
instructions which produce multiple results.

llvm-svn: 25017
 2005-12-26 09:11:45 +00:00