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Author SHA1 Message Date
Brian Gaeke
1523aac530 Move ChooseRegOrImmed() prototype here, from InstrSelectionSupport.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12765 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 20:38:57 +00:00
Brian Gaeke
92976137df Don't include InstrSelectionSupport.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12764 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 20:38:56 +00:00
Chris Lattner
cb69a4ed64 Implement test/Regression/Transforms/InstCombine/getelementptr_index.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12762 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 18:38:20 +00:00
Chris Lattner
ef09aab9ce New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12761 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 18:38:01 +00:00
Brian Gaeke
58fe7695b9 Fix insertion of SelectInsts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12760 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 18:31:47 +00:00
Brian Gaeke
8005ed3bd7 Don't print [%reg + 0], just print [%reg] 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12759 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 17:33:56 +00:00
Brian Gaeke
f3334ebbe3 First version of code to handle loads. Stub function for handling stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12758 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 17:29:37 +00:00
Brian Gaeke
562cb16381 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12757 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 17:04:09 +00:00
Brian Gaeke
d54c38b2f4 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12756 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 16:41:22 +00:00
Chris Lattner
9f01e8a28d New testcase that crashed scalarevolution on sparc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12755 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 16:17:45 +00:00
Chris Lattner
627018b4b3 Fix a bug Brian found. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12754 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 16:16:11 +00:00
Brian Gaeke
2d26135b90 We have a global reg. allocator now -- thanks to Alkis. 
Fix a typo.
Add a project I've always thought would be cool.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12747 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 15:31:23 +00:00
Chris Lattner
8b3df485d5 New file that can be useful for hand inspection of assembly required for certain 
kinds of instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12746 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 05:06:39 +00:00
Chris Lattner
4d0cda4d5c 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12745 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 05:04:51 +00:00
Chris Lattner
6179047661 andd subcc instructions which is used to create the 'cmp' pseudo instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12744 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 05:04:01 +00:00
Chris Lattner
0d538bbec2 Avoid emitting an extra copy on each 32-bit operation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12743 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 04:36:53 +00:00
Brian Gaeke
88ddd4a07d Make generation of stack-slot loads and copies less ugly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12742 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 04:29:14 +00:00
Brian Gaeke
fa4bb09cf0 Fix bug in printing loads. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12741 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 04:29:03 +00:00
Chris Lattner
4be7ca5721 Add support for shift instructions, wrap some long lines 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12740 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 04:27:16 +00:00
Chris Lattner
a562efce35 Fix encoding of existing shift instructions, add rr shifts 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12739 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 04:26:57 +00:00
Chris Lattner
6a135f2e8c New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12738 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 04:08:21 +00:00
Chris Lattner
22ede709f6 Add a bunch more instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12737 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 04:06:46 +00:00
Chris Lattner
f97b31e9cf Merge my changes with brians 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12736 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 04:05:49 +00:00
Brian Gaeke
0f51cc1759 Add in some things I forgot, which Chris helpfully reminded me of... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12735 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 04:05:12 +00:00
Brian Gaeke
59e04e4889 Add support for the "Y" register, used by MUL & DIV. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12734 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 04:01:11 +00:00
Brian Gaeke
e88c9dc860 Add UDIV, SDIV, and a few variants of WR. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12733 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 04:01:00 +00:00
Brian Gaeke
2d4fa8faac 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12732 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-07 04:00:49 +00:00
Brian Gaeke
ff8282604a Prune unnecessary #includes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12731 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 23:25:07 +00:00
Brian Gaeke
20117102c2 Simple delay slot filler pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12730 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 23:21:45 +00:00
Brian Gaeke
86a8790826 Add references to delay slot filler pass. 
Fill in addPassesToJITCompile method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12729 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 23:21:24 +00:00
Brian Gaeke
3a8ad62d4f First attempt at handling frame index elimination. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12728 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 22:10:22 +00:00
Brian Gaeke
1c38175d6b 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12727 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 22:10:11 +00:00
Brian Gaeke
856e4fc59e Delete reference to "the Mach-O Runtime ABI". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12726 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 22:09:59 +00:00
Brian Gaeke
ea8494bb89 Deal with call return values. 
Don't put NOPs in delay slots at all. We'll have a fix-up pass later.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12725 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 22:09:23 +00:00
John Criswell
94f0c5286b Adding kimwitu++ license. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12719 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 20:23:45 +00:00
Chris Lattner
acd85c50d6 Bugs fixed new features implemented 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12716 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 19:48:42 +00:00
Jakub Staszak
8ac0009979 file based off InstSelectSimple.cpp, slowly being replaced by generated code from the really simple X86 instruction selector tablegen backend 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12715 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 19:35:17 +00:00
Jakub Staszak
0a8fd30c1b Tablgen files for really simple instruction selector 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12714 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 19:34:00 +00:00
Jakub Staszak
88ac78c4d9 Tablegen backend for really simple instruction selector 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12713 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 19:31:31 +00:00
Jakub Staszak
01b6a6f279 add tablgen backend for really simple instruction selector 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12712 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 19:30:56 +00:00
Chris Lattner
7b92de1e7d Fix PR313: [x86] JIT miscompiles unsigned short to floating point 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12711 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 19:29:36 +00:00
Chris Lattner
43ab3a8f45 Fix incorrect encoding of some ADC and SBB instuctions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12710 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 19:20:32 +00:00
John Criswell
53c94cb622 Added licensing information for treecc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12703 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 17:51:10 +00:00
Chris Lattner
48c937e5c9 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12702 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 17:34:50 +00:00
Misha Brukman
b04da8a3c6 Wrap at 80 cols. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12701 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 17:04:30 +00:00
Chris Lattner
27a9b2713b Minor cleanups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12700 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 16:54:04 +00:00
Chris Lattner
f7010691f8 Document new option 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12699 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 16:46:12 +00:00
Chris Lattner
69e8d282bf 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12698 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 16:43:13 +00:00
Chris Lattner
e80e637793 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12696 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 16:02:27 +00:00
Chris Lattner
1c62355c07 Update docs a bit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12695 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-06 15:22:35 +00:00