Misha Brukman
4b944fcdf9
The generated instruction selector isn't (yet) functional
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llvm-svn: 14894
2004-07-16 20:31:13 +00:00
Misha Brukman
c3c9dc04ac
* Output non-lazy linking stubs for external global variables
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* Get rid of dead and #if 0'd code
* Minor for loop speed-up: save end iterator instead of querying every time
llvm-svn: 14893
2004-07-16 20:29:04 +00:00
Misha Brukman
0d35548f37
Define double alignment as 8 bytes now that assert(DoubleAlignment == PointerSize)
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has been eliminated
llvm-svn: 14891
2004-07-16 19:32:12 +00:00
Misha Brukman
0a92212542
* Add spaces between words and numbers in comments printed out for longs/floats
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* Print out IMPLICIT_DEFS as comments in the assembly, patch by Nate Begeman
llvm-svn: 14890
2004-07-16 19:01:13 +00:00
Brian Gaeke
53dc31efcd
Do IMPLICIT_DEFs on incoming args' hard regs, to avoid confusing the regalloc.
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Support single-fp incoming args.
Support single-fp outgoing args ('call' operands).
Support double-fp return values.
llvm-svn: 14880
2004-07-16 10:31:25 +00:00
Chris Lattner
60fb3d60a8
The powerpc is now gone. However it is now just known as the Skeleton target.
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llvm-svn: 14877
2004-07-16 07:14:34 +00:00
Chris Lattner
b9ec0b791c
Revert stuff that I didn't mean to checkin
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llvm-svn: 14844
2004-07-15 02:33:38 +00:00
Chris Lattner
c4888ccda7
Patches towards fixing PR341
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llvm-svn: 14841
2004-07-15 02:14:30 +00:00
Misha Brukman
d6a9646f29
Make sure MTSPR instruction is inserted into the BasicBlock
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llvm-svn: 14822
2004-07-14 18:26:31 +00:00
Misha Brukman
0f42826f30
Don't define the same register twice when loading a ConstantPointerRef to a reg
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llvm-svn: 14819
2004-07-14 17:57:04 +00:00
Misha Brukman
73d729838f
* Fix multiplication by powers of two and otherwise
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* Clarify variable name (StoreInst SI instead of LI)
llvm-svn: 14818
2004-07-14 15:29:51 +00:00
Misha Brukman
79b089abff
* Specify that FP arith options have 3 operands
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* Correctly load FP constants from the constant pool, should be refactored
llvm-svn: 14799
2004-07-13 15:35:45 +00:00
Misha Brukman
449715a57d
Correctly load FP constants out of the constant pool.
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llvm-svn: 14782
2004-07-12 23:49:47 +00:00
Misha Brukman
b7f3d7b04b
Implement getModuleMatchQuality and getJITMatchQuality() for PowerPC
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llvm-svn: 14780
2004-07-12 23:36:12 +00:00
Chris Lattner
773f2d65c2
Delete the allocate*TargetMachine function, which is now dead.
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The shared command line options are now in a header that makes sense.
llvm-svn: 14757
2004-07-11 04:17:58 +00:00
Chris Lattner
6331eb6bbe
Delete the allocate*TargetMachine function, which is now dead .
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The shared command line options are now in a header that makes sense.
llvm-svn: 14756
2004-07-11 04:17:10 +00:00
Chris Lattner
b67e3b01bc
Make these format a bit nicer
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llvm-svn: 14747
2004-07-11 03:27:42 +00:00
Chris Lattner
2ada866a78
Auto-registrate target
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llvm-svn: 14745
2004-07-11 02:48:49 +00:00
Chris Lattner
164659f141
Add compilability
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llvm-svn: 14744
2004-07-11 02:48:28 +00:00
Misha Brukman
f8f753f04b
* Add support for indexing into structures, thanks to Chris (x86)
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The large diff is because of indentation of a whole region
* Fix querying predecessor blocks in SelectPHINodes(), thanks to Brian (v8)
* Add support for external functions malloc() and free()
* Fix some code indentation
Remember, kids: It's not plagiarism if you "creatively borrow" from your
sources. It's called "research"!
llvm-svn: 14723
2004-07-09 15:45:07 +00:00
Misha Brukman
1881beb0b3
Read/write the offset value for stack-relative loads via correct instr operand.
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llvm-svn: 14722
2004-07-09 15:37:16 +00:00
Misha Brukman
b83ace891d
Add support for __fixdfdi(), __floatdisf(), and __floatdidf() external functions
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llvm-svn: 14703
2004-07-08 19:41:16 +00:00
Misha Brukman
db4cddea8d
* Use several Function* for external functions instead of a std::map
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* Non-const FP values must be loaded into int regs (for vararg fns) via memory
llvm-svn: 14701
2004-07-08 18:27:59 +00:00
Misha Brukman
869f2b7219
* Add support for loading FP constants from the constant pool
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* Load FP values into int regs as well for vararg functions; without memory ops!
llvm-svn: 14700
2004-07-08 18:02:38 +00:00
Misha Brukman
3bbd3cd1de
* Fix header comment, excise references to X86
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* Add suport for printing out references to constant pool indices
llvm-svn: 14699
2004-07-08 17:58:04 +00:00
Misha Brukman
93b47cc963
* Use a map for caching lookups to external functions (fp div/rem)
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* Tabs to spaces
llvm-svn: 14673
2004-07-07 20:07:22 +00:00
Misha Brukman
f2473e6267
* Wrap long lines (comments and code)
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* Tabs to spaces
llvm-svn: 14672
2004-07-07 20:01:36 +00:00
Misha Brukman
d5a439760c
Add fmod() to the Module being compiled so that it gets a stub in the asm file
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llvm-svn: 14670
2004-07-07 15:36:18 +00:00
Misha Brukman
ef78244e72
* Add support for calling vararg functions (must pass doubles in int regs too)
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* Make visitSetCondInst() share condition-generating code with EmitComparison()
* There are 13 FPRs for function-passing arguments, not 8
* Do not rely on registers being sequential, use an array lookup
* In unimplemented switch cases, send an error and abort instead of silent
fall-through
* Add doInitialization() for adding function prototypes for external math fns
* Minor changes: fix indentation, spacing, code clarity
llvm-svn: 14653
2004-07-06 22:51:53 +00:00
Misha Brukman
4543cea6ae
Use the more compact bl' instead of cryptic (but equivalent)
bcl 20,31'
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llvm-svn: 14652
2004-07-06 22:40:34 +00:00
Misha Brukman
0b6de12a84
* Add utility functions: convert SetCC => PPC opcode and invert PPC opcode
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* If SetCondInst is folded into BranchInst (and it is the only user), do not
emit code for SetCondInst
* Fix assembly opcodes in comments in visitSetCondInst()
* Fix codegen of conditional branches
llvm-svn: 14643
2004-07-06 15:32:44 +00:00
Misha Brukman
607dd868a8
Add FIXME notes for spilling int/fp regs (need to calculate stack space).
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llvm-svn: 14581
2004-07-02 17:54:38 +00:00
Chris Lattner
a99a36881f
Fix all of those problems that the PPC backend has running 176.gcc :)
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llvm-svn: 14565
2004-07-02 05:48:42 +00:00
Misha Brukman
c9ecaeb69d
* Follow the PowerPC convention of leaving 24 bytes for linking on the stack.
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* Also leave space for spilling integer registers (this should be calculated)
llvm-svn: 14554
2004-07-01 21:35:00 +00:00
Misha Brukman
f5deab6100
* Get rid of constant-expr handling code: we use the ConstantExpr lowering pass
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* Use the SetCC handling code in the format of Brian's V8
* Add FIXMEs where calls to functions are being made without adding them to the
Module first... they cause missing symbols at assembly-time.
llvm-svn: 14553
2004-07-01 21:34:10 +00:00
Misha Brukman
1546c2e9c0
Wrap long line
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llvm-svn: 14552
2004-07-01 21:27:59 +00:00
Misha Brukman
e409874a9f
* Do not allocate r0 as we use it indiscriminantly in the instr selector.
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* Do not define CR register class because we don't (yet) have the i4 type
llvm-svn: 14551
2004-07-01 21:24:50 +00:00
Misha Brukman
b296163bb1
Check if operand has an allocated reg before requesting it.
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llvm-svn: 14550
2004-07-01 21:09:12 +00:00
Misha Brukman
efcb6b8c2c
* Coalesce the handy CALL* alias opcodes with the standard ones
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* Congregate more branch-and-link opcodes together
* Mark FP, CPR, and special registers as volatile across calls
llvm-svn: 14511
2004-06-30 22:00:45 +00:00
Misha Brukman
7089b3d426
* Allow more registers to be allocated from the general register pool
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* Define the condition register class
llvm-svn: 14510
2004-06-30 21:54:50 +00:00
Misha Brukman
08a07e969f
* Inquire about the number of operands from the instruction directly
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* Only check for a register if we are sure the instruction has one allocated
llvm-svn: 14509
2004-06-30 21:54:12 +00:00
Misha Brukman
49e6aa1ba7
Always assume a function may have calls because the printer may add `bl' to get
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the PC in a code sequence for global variables.
llvm-svn: 14506
2004-06-30 00:09:12 +00:00
Misha Brukman
3422760e16
* Don't save LR when outputting globals: it's already saved on the stack once
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for the function
* Registers aren't necessarily sequential wrt their enums, don't rely on it
when emitting function arguments into sequential registers
* Remove X86-specific comments about AL/BL/AH/BH/EDX/etc
* Add an abort() for an unimplemented signed right shift
* The src operand for a GEP was never emitted! Fixed.
* We can skip zero-valued GEP indices as they are no-ops.
"Hello, World!" now works.
llvm-svn: 14505
2004-06-29 23:45:05 +00:00
Misha Brukman
e9166fd352
* Stop using BBNumbering, we don't really need it
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* Only increment labelNumber once, because it's used by both Load{hi,lo}Addr
* There is no .bss section on PowerPC
* Use .align 2 instead of other random numbers
llvm-svn: 14504
2004-06-29 23:40:57 +00:00
Misha Brukman
79a92e35b4
Set up the prologue and epilogue to be more like the manual and GCC output.
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llvm-svn: 14502
2004-06-29 23:38:26 +00:00
Misha Brukman
2242e8d27f
* Use LA instead of LWZ for LoadLoAddr
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* Specify the isCall bit and caller-save registers for some call instrs
llvm-svn: 14501
2004-06-29 23:37:36 +00:00
Misha Brukman
a0721ac147
Only allocate non-volatile registers R13-31 (for now).
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llvm-svn: 14500
2004-06-29 23:35:32 +00:00
Misha Brukman
ddf07d1c08
Lower ConstantExpressions before the code generator.
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llvm-svn: 14497
2004-06-29 23:33:20 +00:00
Misha Brukman
01841234e8
* Fix saving LR in function prologue
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* Adjust epilogue restore sequence to match the PowerPC documentation
llvm-svn: 14480
2004-06-29 17:14:42 +00:00
Misha Brukman
08f6a46ce2
Assembly syntax/comment fixes by Nate Begeman.
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llvm-svn: 14479
2004-06-29 17:13:26 +00:00