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Author SHA1 Message Date
Brian Gaeke
c48a77d1ba Move ChooseRegOrImmed() prototype here, from InstrSelectionSupport.h. 
llvm-svn: 12765
 2004-04-07 20:38:57 +00:00
Brian Gaeke
54245d895a Don't include InstrSelectionSupport.h. 
llvm-svn: 12764
 2004-04-07 20:38:56 +00:00
Chris Lattner
2e89e48999 Implement test/Regression/Transforms/InstCombine/getelementptr_index.ll 
llvm-svn: 12762
 2004-04-07 18:38:20 +00:00
Chris Lattner
8344a953a5 New testcase 
llvm-svn: 12761
 2004-04-07 18:38:01 +00:00
Brian Gaeke
1193590133 Fix insertion of SelectInsts. 
llvm-svn: 12760
 2004-04-07 18:31:47 +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
e24e7b8354 New testcase that crashed scalarevolution on sparc 
llvm-svn: 12755
 2004-04-07 16:17:45 +00:00
Chris Lattner
cb6744360c Fix a bug Brian found. 
llvm-svn: 12754
 2004-04-07 16:16:11 +00:00
Brian Gaeke
a0a6d38d7e We have a global reg. allocator now -- thanks to Alkis. 
Fix a typo.
Add a project I've always thought would be cool.

llvm-svn: 12747
 2004-04-07 15:31:23 +00:00
Chris Lattner
0eaacac41e New file that can be useful for hand inspection of assembly required for certain 
kinds of instructions.

llvm-svn: 12746
 2004-04-07 05:06:39 +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
c585ee2bdd New testcase 
llvm-svn: 12738
 2004-04-07 04:08:21 +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
John Criswell
cb52af2958 Adding kimwitu++ license. 
llvm-svn: 12719
 2004-04-06 20:23:45 +00:00
Chris Lattner
39bdc2681e Bugs fixed new features implemented 
llvm-svn: 12716
 2004-04-06 19:48:42 +00:00
Jakub Staszak
fc0d9bb7e9 file based off InstSelectSimple.cpp, slowly being replaced by generated code from the really simple X86 instruction selector tablegen backend 
llvm-svn: 12715
 2004-04-06 19:35:17 +00:00
Jakub Staszak
06dc0add14 Tablgen files for really simple instruction selector 
llvm-svn: 12714
 2004-04-06 19:34:00 +00:00
Jakub Staszak
3c2d9c95e2 Tablegen backend for really simple instruction selector 
llvm-svn: 12713
 2004-04-06 19:31:31 +00:00
Jakub Staszak
6cb338c254 add tablgen backend for really simple instruction selector 
llvm-svn: 12712
 2004-04-06 19:30:56 +00:00
Chris Lattner
3808778190 Fix PR313: [x86] JIT miscompiles unsigned short to floating point 
llvm-svn: 12711
 2004-04-06 19:29:36 +00:00
Chris Lattner
993d6106c7 Fix incorrect encoding of some ADC and SBB instuctions 
llvm-svn: 12710
 2004-04-06 19:20:32 +00:00
John Criswell
afaf687c16 Added licensing information for treecc. 
llvm-svn: 12703
 2004-04-06 17:51:10 +00:00
Chris Lattner
54e93df11a Fix a minor bug in previous checking 
Enable folding of long seteq/setne comparisons into branches and select instructions
Implement unfolded long relational comparisons against a constants a bit more efficiently

Folding comparisons changes code that looks like this:
        mov %EAX, DWORD PTR [%ESP + 4]
        mov %EDX, DWORD PTR [%ESP + 8]
        mov %ECX, %EAX
        or %ECX, %EDX
        sete %CL
        test %CL, %CL
        je .LBB2 # PC rel: F

into code that looks like this:
        mov %EAX, DWORD PTR [%ESP + 4]
        mov %EDX, DWORD PTR [%ESP + 8]
        mov %ECX, %EAX
        or %ECX, %EDX
        jne .LBB2 # PC rel: F

This speeds up 186.crafty by 6% with llc-ls.

llvm-svn: 12702
 2004-04-06 17:34:50 +00:00
Misha Brukman
e2d817bc26 Wrap at 80 cols. 
llvm-svn: 12701
 2004-04-06 17:04:30 +00:00
Chris Lattner
1a40aaf3ba Minor cleanups 
llvm-svn: 12700
 2004-04-06 16:54:04 +00:00
Chris Lattner
929187dff0 Document new option 
llvm-svn: 12699
 2004-04-06 16:46:12 +00:00
Chris Lattner
3259504cce Add a new gccld -native-cbe option which causes gccld to generate native code 
for the application with the C backend instead of the native LLVM code generator

llvm-svn: 12698
 2004-04-06 16:43:13 +00:00
Chris Lattner
2d9b28ac0b Improve codegen of long == and != comparisons against constants. Before, 
comparing a long against zero got us this:

        sub %ESP, 8
        mov DWORD PTR [%ESP + 4], %ESI
        mov DWORD PTR [%ESP], %EDI
        mov %EAX, DWORD PTR [%ESP + 12]
        mov %EDX, DWORD PTR [%ESP + 16]
        mov %ECX, 0
        mov %ESI, 0
        mov %EDI, %EAX
        xor %EDI, %ECX
        mov %ECX, %EDX
        xor %ECX, %ESI
        or %EDI, %ECX
        sete %CL
        test %CL, %CL
        je .LBB2 # PC rel: F

Now it gets us this:

        mov %EAX, DWORD PTR [%ESP + 4]
        mov %EDX, DWORD PTR [%ESP + 8]
        mov %ECX, %EAX
        or %ECX, %EDX
        sete %CL
        test %CL, %CL
        je .LBB2 # PC rel: F

llvm-svn: 12696
 2004-04-06 16:02:27 +00:00
Chris Lattner
1aa66730ad Update docs a bit 
llvm-svn: 12695
 2004-04-06 15:22:35 +00:00