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281 Commits

Author SHA1 Message Date
Brian Gaeke
5fe5e06bea I think we'll use the standard lowering passes for now. 
llvm-svn: 14179
 2004-06-15 20:37:12 +00:00
Brian Gaeke
d5f45ba4a1 Fix bug generating code for void call instructions: don't call 
getReg() on void value.

llvm-svn: 14178
 2004-06-15 20:06:32 +00:00
Brian Gaeke
79008f4648 Squash a warning from the Solaris assembler by aligning the stack 
on a double-word boundary instead of a single-word boundary.

llvm-svn: 14177
 2004-06-15 19:53:10 +00:00
Brian Gaeke
e02c780919 Allow special-casing of operand printing based on opcode. Print 
non-register, non-immed. arguments to SETHI and OR using %hi() and
%lo() respectively.

llvm-svn: 14176
 2004-06-15 19:52:59 +00:00
Brian Gaeke
b158cb6411 Support constant GEP expressions. 
Support copying long constants to register pairs.
Support copying ConstantPointerNulls and ConstantPointerRefs to registers.

llvm-svn: 14175
 2004-06-15 19:16:07 +00:00
Chris Lattner
5ce60a188d Adjust to new TM interfaces 
llvm-svn: 13949
 2004-06-02 05:47:26 +00:00
Brian Gaeke
7cc5d0f106 Add support for widening integral casts. 
Flesh out the SetCC support... which currently ends in a little bit
of unfinished code (which is probably completely hilarious) for
generating the condition value splitting the basic block up into 4
blocks, like this (clearly a better API is needed for this!):

       BB
   cond. branch
     /         /          R1=1    R2=0
     \      /
      \    /
    R=phi(R1,R2)

Other minor edits.

llvm-svn: 13423
 2004-05-08 06:36:14 +00:00
Brian Gaeke
58fd2b0e4a Add a bunch more branches 
llvm-svn: 13422
 2004-05-08 06:08:29 +00:00
Brian Gaeke
faf41642ca Flesh out GEP support 
llvm-svn: 13421
 2004-05-08 05:27:20 +00:00
Brian Gaeke
e44dbd4a39 Add ADD with immediate 
llvm-svn: 13420
 2004-05-08 05:26:55 +00:00
Brian Gaeke
5861a59506 Add forms of CMP, SUBCC, and a few branches, and some comments. 
llvm-svn: 13419
 2004-05-08 04:21:32 +00:00
Brian Gaeke
eaf8a021e3 Add stub support for GEPs. 
Add support for branches (based loosely on X86/InstSelectSimple).
Add support for not visiting phi nodes in the first pass.
Add support for loading bools.
Flesh out support for stores.

llvm-svn: 13418
 2004-05-08 04:21:17 +00:00
Brian Gaeke
0d477a958f Add support for copying bool constants to registers. 
Disable the code that copies long constants to registers - it looks fishy.
Implement some simple casts: integral, smaller than longs, and equal-width
 or narrowing only.

llvm-svn: 13413
 2004-05-07 21:39:30 +00:00
Brian Gaeke
336b83623a I don't think we have to have 4 extra allocated (but unused) bytes on the stack. 
llvm-svn: 12905
 2004-04-13 18:28:37 +00:00
Brian Gaeke
6d8a362874 I started working on casts, but I don't have anything compilable yet. 
llvm-svn: 12903
 2004-04-13 18:27:46 +00:00
Brian Gaeke
6badc5d83b Don't print [%reg + 0], just print [%reg] 
llvm-svn: 12759
 2004-04-07 17:33:56 +00:00
Brian Gaeke
cb5141b4de First version of code to handle loads. Stub function for handling stores. 
llvm-svn: 12758
 2004-04-07 17:29:37 +00:00
Brian Gaeke
3e29bc5a19 Support loading arguments from %I0...%I5 into virtual registers in 
function prologues, and fix an off-by-one in visitCallInst that was
putting call args into the wrong registers.

llvm-svn: 12757
 2004-04-07 17:04:09 +00:00
Brian Gaeke
3eb6c1d3ae It's setting up the call args right now, but on the callee side, it's 
trying to get incoming args off the stack, instead of the %i0...%i6 regs,
which is wrong.

llvm-svn: 12756
 2004-04-07 16:41:22 +00:00
Chris Lattner
37a392dc52 This is a start on handling setcc instructions. As the comment notes, we 
have no good way of handling this until the code generator is improved.
We should probably just emit V9 instructions in the meantime.

llvm-svn: 12745
 2004-04-07 05:04:51 +00:00
Chris Lattner
bb67452b4b andd subcc instructions which is used to create the 'cmp' pseudo instruction 
llvm-svn: 12744
 2004-04-07 05:04:01 +00:00
Chris Lattner
2f63fbf9d5 Avoid emitting an extra copy on each 32-bit operation 
llvm-svn: 12743
 2004-04-07 04:36:53 +00:00
Brian Gaeke
d98edc771e Make generation of stack-slot loads and copies less ugly. 
llvm-svn: 12742
 2004-04-07 04:29:14 +00:00
Brian Gaeke
90c53bcbda Fix bug in printing loads. 
llvm-svn: 12741
 2004-04-07 04:29:03 +00:00
Chris Lattner
be45dbdaf8 Add support for shift instructions, wrap some long lines 
llvm-svn: 12740
 2004-04-07 04:27:16 +00:00
Chris Lattner
ded6e64b53 Fix encoding of existing shift instructions, add rr shifts 
llvm-svn: 12739
 2004-04-07 04:26:57 +00:00
Chris Lattner
13546cb380 Add a bunch more instructions 
llvm-svn: 12737
 2004-04-07 04:06:46 +00:00
Chris Lattner
a58da750eb Merge my changes with brians 
llvm-svn: 12736
 2004-04-07 04:05:49 +00:00
Brian Gaeke
ece16e53c4 Add in some things I forgot, which Chris helpfully reminded me of... 
llvm-svn: 12735
 2004-04-07 04:05:12 +00:00
Brian Gaeke
4b90f62e6d Add support for the "Y" register, used by MUL & DIV. 
llvm-svn: 12734
 2004-04-07 04:01:11 +00:00
Brian Gaeke
8651efab54 Add UDIV, SDIV, and a few variants of WR. 
llvm-svn: 12733
 2004-04-07 04:01:00 +00:00
Brian Gaeke
0d35bd3ca9 Preliminary support for getting 64-bit integer constants into registers. 
Preliminary support for division. It's gross because you have to initialize
the "Y" register, which is the top 32 bits of the thing you're dividing.

llvm-svn: 12732
 2004-04-07 04:00:49 +00:00
Brian Gaeke
2aa3485241 Prune unnecessary #includes 
llvm-svn: 12731
 2004-04-06 23:25:07 +00:00
Brian Gaeke
c59ef116a2 Simple delay slot filler pass. 
llvm-svn: 12730
 2004-04-06 23:21:45 +00:00
Brian Gaeke
38ad8d1aea Add references to delay slot filler pass. 
Fill in addPassesToJITCompile method.

llvm-svn: 12729
 2004-04-06 23:21:24 +00:00
Brian Gaeke
0ee6eb1c1a First attempt at handling frame index elimination. 
llvm-svn: 12728
 2004-04-06 22:10:22 +00:00
Brian Gaeke
b7f86edbf3 First attempt at special-casing printing of [%reg + offset] for 
ld/st instructions - doesn't seem to work yet, but I think it's
just a typo or something somewhere.

llvm-svn: 12727
 2004-04-06 22:10:11 +00:00
Brian Gaeke
74d26802a4 Delete reference to "the Mach-O Runtime ABI". 
llvm-svn: 12726
 2004-04-06 22:09:59 +00:00
Brian Gaeke
da22005285 Deal with call return values. 
Don't put NOPs in delay slots at all. We'll have a fix-up pass later.

llvm-svn: 12725
 2004-04-06 22:09:23 +00:00
Brian Gaeke
dec12ea71d Add support for many of the MRegisterInfo callbacks. 
Eliminating call-frame pseudo instrs and frame indices are still stubs.
Flesh out the emitPrologue method based on better ABI knowledge.

llvm-svn: 12632
 2004-04-02 20:53:37 +00:00
Brian Gaeke
b2d36cced3 Add load, store, and NOP instructions. 
Fix up comments.

llvm-svn: 12631
 2004-04-02 20:53:37 +00:00
Brian Gaeke
741518f9f6 Add support for printing pc-relative displacements of functions (as used in 
the CALL instruction).

llvm-svn: 12630
 2004-04-02 20:53:35 +00:00
Brian Gaeke
10ab592570 Add support for call instructions (0-ary only for now). 
llvm-svn: 12629
 2004-04-02 20:53:33 +00:00
Brian Gaeke
c1c4cfd741 The .type directive on Solaris uses the # character instead of @. 
llvm-svn: 12454
 2004-03-16 22:52:04 +00:00
Brian Gaeke
f97393aebf Fix bug in zero-extending of shorts. 
llvm-svn: 12453
 2004-03-16 22:45:42 +00:00
Brian Gaeke
26deccbffb Add UMULrr and SMULrr instructions. 
llvm-svn: 12452
 2004-03-16 22:37:13 +00:00
Brian Gaeke
fd02eeae64 Use ! for comment char; it works in both Solaris as and GAS. 
llvm-svn: 12451
 2004-03-16 22:37:12 +00:00
Brian Gaeke
199ba20b20 Make getClass more robust by adding cLong. 
Add handling for Mul instruction.

llvm-svn: 12450
 2004-03-16 22:37:11 +00:00
Brian Gaeke
de0239b2a6 Hmm, who left this sitting around in my tree 
llvm-svn: 12255
 2004-03-09 04:49:13 +00:00
Chris Lattner
a7180252e6 Avoid allocating special registers a bit more robustly 
llvm-svn: 12207
 2004-03-08 03:48:07 +00:00
Brian Gaeke
4bb4ec2388 Support return values of basic integer types. 
Emit RETL instruction to return instead of funny JMPL.
Fix indentation.

llvm-svn: 12186
 2004-03-06 05:32:28 +00:00
Brian Gaeke
855518207c Sort stanzas into Sparc V8 book page number order. 
Add RET, RETL.  Rename SAVE, RESTORE & JMPL for consistency.

llvm-svn: 12185
 2004-03-06 05:32:13 +00:00
Brian Gaeke
813f0d8512 Hack it so we do not try to allocate values to G0. 
llvm-svn: 12184
 2004-03-06 05:31:32 +00:00
Brian Gaeke
a265c3c4df Make prolog align stack properly. Make epilog not touch any registers. 
llvm-svn: 12183
 2004-03-06 05:31:21 +00:00
Brian Gaeke
b4258231ca Emit register names in lowercase, as required by the assembler. 
llvm-svn: 12182
 2004-03-06 05:30:21 +00:00
Brian Gaeke
13f3e2f254 Teach getRegClassForType where to find FP registers 
llvm-svn: 12180
 2004-03-06 03:54:13 +00:00
Brian Gaeke
689af03601 Asm output is looking a lot better; not correct for all operands yet though. 
llvm-svn: 12143
 2004-03-05 08:39:09 +00:00
Brian Gaeke
a24ac9bf8b Support -print-machineinstrs 
llvm-svn: 12124
 2004-03-04 19:22:16 +00:00
Brian Gaeke
9c6c572f24 Asm printer support, based on x86 - only prints mnemonics for now 
llvm-svn: 12113
 2004-03-04 06:00:41 +00:00
Brian Gaeke
f8440c5a60 Double-FP pseudo-registers. 
llvm-svn: 12112
 2004-03-04 05:15:03 +00:00
Brian Gaeke
b2f869ee43 Subtract instructions; minor cleanups 
llvm-svn: 12111
 2004-03-04 04:37:45 +00:00
Brian Gaeke
0d71671bcf Floating point regs 
llvm-svn: 12110
 2004-03-04 04:37:22 +00:00
Brian Gaeke
9ebecfdfe0 Simple copyConstantToReg support, SETHIi and ORri 
llvm-svn: 12107
 2004-03-04 00:56:25 +00:00
Brian Gaeke
324c928e36 Support add - note, still missing important copyConstantToRegister stuff 
llvm-svn: 12106
 2004-03-03 23:03:14 +00:00
Brian Gaeke
b78f8498f0 TargetCacheInfo has been removed; its only uses were to propagate a constant 
(16) into certain areas of the SPARC V9 back-end. I'm fairly sure the US IIIi's
dcache has 32-byte lines, so I'm not sure where the 16 came from. However, in
the interest of not breaking things any more than they already are, I'm going
to leave the constant alone.

llvm-svn: 12043
 2004-03-01 06:43:29 +00:00
Chris Lattner
c2977ac665 Adjust to change in TII ctor arguments 
llvm-svn: 11987
 2004-02-29 06:31:44 +00:00
Chris Lattner
cfc8f02250 These two virtual methods are never called. 
llvm-svn: 11984
 2004-02-29 05:59:33 +00:00
Chris Lattner
7cb71a20ca Implement initial prolog/epilog code insertion methods. 
llvm-svn: 11979
 2004-02-29 05:18:30 +00:00
Chris Lattner
800f720e7b Add an instruction selector capable of selecting 'ret void' 
llvm-svn: 11973
 2004-02-29 00:27:00 +00:00
Chris Lattner
3583890ab7 Change this so that LLC actually tries to run the code generator, though it will 
immediately abort due to lack of an instruction selector. :)

llvm-svn: 11963
 2004-02-28 20:21:45 +00:00
Chris Lattner
3852b0c3b8 Finegrainify namespacification 
llvm-svn: 11958
 2004-02-28 19:52:49 +00:00
Chris Lattner
88268605ec Tab completion is our friend. 
llvm-svn: 11957
 2004-02-28 19:45:39 +00:00
Chris Lattner
013aa47975 Clean up rules 
llvm-svn: 11956
 2004-02-28 19:43:40 +00:00
Chris Lattner
d2bb7e91b0 Bring this directory into "it actually compiles" land 
llvm-svn: 11955
 2004-02-28 19:37:18 +00:00
Chris Lattner
3f70429d28 Fix multiple inclusion problem 
llvm-svn: 11954
 2004-02-28 19:31:32 +00:00
Misha Brukman
3d1720cdb9 Instructions to call and return from functions. 
llvm-svn: 11858
 2004-02-26 00:37:12 +00:00
Misha Brukman
6a13621948 SparcV8 regs are really 32-bit, not 64! Thanks, Chris. 
llvm-svn: 11835
 2004-02-25 21:03:02 +00:00
Misha Brukman
f12c1e5a55 Clean up the tablegen descriptions for SparcV8. 
llvm-svn: 11834
 2004-02-25 21:02:21 +00:00
Misha Brukman
c8801eb5be Fix the SparcV8 register definitions that were imported from PPC template. 
llvm-svn: 11833
 2004-02-25 21:00:05 +00:00
Misha Brukman
a4b3e0f01b SparcV8 has different types of instructions, but F1 is only used for CALL. 
llvm-svn: 11832
 2004-02-25 20:52:20 +00:00
Brian Gaeke
5166390fd2 SparcV8 skeleton 
llvm-svn: 11828
 2004-02-25 19:28:19 +00:00