Misha Brukman
148ad01de1
Renamed files:
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* PowerPCReg.td => PowerPCRegisterinfo.td
* PowerPCInstrs.td => PowerPCInstrInfo.td
llvm-svn: 15295
2004-07-27 23:29:16 +00:00
Misha Brukman
b779843f6b
Branch selection support implemented by Nate Begeman for long branches.
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llvm-svn: 15288
2004-07-27 18:43:04 +00:00
Misha Brukman
b07f569386
Correctly print out long branches, assert on finding pseudo instr COND_BRANCH
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Patch by Nate Begeman.
llvm-svn: 15286
2004-07-27 18:40:39 +00:00
Misha Brukman
ef0cbd830c
Run the branch selection pass right before the asm printer.
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Patch by Nate Begeman.
llvm-svn: 15285
2004-07-27 18:39:34 +00:00
Misha Brukman
0f26a3309f
Remove empty unused method processFunctionBeforeFrameFinalized()
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llvm-svn: 15284
2004-07-27 18:38:40 +00:00
Misha Brukman
8c047d4fad
Add COND_BRANCH pseudo instruction, patch by Nate Begeman.
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llvm-svn: 15283
2004-07-27 18:35:54 +00:00
Misha Brukman
d7d501d518
Build COND_BRANCHes which may become long or short, decided by a later pass.
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Patch by Nate Begeman.
llvm-svn: 15282
2004-07-27 18:35:23 +00:00
Misha Brukman
8e2f8de3c3
Moved definition of invertPPCBranchOpcode() into PowerPCInstrInfo class.
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Patch by Nate Begeman.
llvm-svn: 15281
2004-07-27 18:34:11 +00:00
Misha Brukman
0fe1f5d880
Add PowerPCBranchSelector to discover which are `long' branches.
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Contributed by Nate Begeman.
llvm-svn: 15280
2004-07-27 18:33:06 +00:00
Misha Brukman
c22bbdd36d
Fixed saving/restoring LR unconditionally, only done as necessary.
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llvm-svn: 15275
2004-07-27 17:17:48 +00:00
Misha Brukman
adb86dba29
Save and restore LR just like any other register and ONLY if we actually modify
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it (due to calls or globals access). We now compile `void empty(){}' to `blr'.
llvm-svn: 15274
2004-07-27 17:17:18 +00:00
Misha Brukman
6fec7336fe
LR is a 32-bit int reg
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llvm-svn: 15273
2004-07-27 17:15:32 +00:00
Misha Brukman
93b0ea58a2
MovePCtoLR (which is `bl' in disguise) modifies LR implicitly
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llvm-svn: 15272
2004-07-27 17:15:05 +00:00
Misha Brukman
4be6841bc0
Register LR is callee-saved
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llvm-svn: 15271
2004-07-27 17:14:34 +00:00
Misha Brukman
a3ac216fce
Add IMPLICIT_DEF of LR for branch-and-link instrs (calls and global accesses)
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llvm-svn: 15270
2004-07-27 17:13:58 +00:00
Misha Brukman
6272268028
Do not store the stack pointer if the stack size is 0.
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Also, convert C-style comments to C++ and make sure code wraps at 80 cols.
llvm-svn: 15245
2004-07-26 22:00:26 +00:00
Misha Brukman
a979e8a08a
ADDI can take several forms, including:
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addi r1, r2, 0
addi r1, <frame index #n>, 0
so we must check for the second parameter being a register for this instruction
to be considered a reg-to-reg copy.
llvm-svn: 15244
2004-07-26 21:50:38 +00:00
Misha Brukman
a2cf775362
assert() on MachineInstr properties instead of checking them dynamically
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llvm-svn: 15243
2004-07-26 21:35:58 +00:00
Misha Brukman
73687cfcc6
* Recognize `addi r1, r2, 0' a move instruction
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* List formats of instructions currently recognized as moves
llvm-svn: 15242
2004-07-26 21:29:00 +00:00
Misha Brukman
288289f9a7
* Rewrote casts
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* Implemented GEP folding
* Dynamically output global address stuff once per function
* Fix casting fp<->short/byte
Patch contributed by Nate Begeman.
llvm-svn: 15237
2004-07-26 18:13:24 +00:00
Misha Brukman
bf2ad22ff6
Increment the label number in runOnFunction() rather than while printing out
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some instruction. Patch by Nate Begeman.
llvm-svn: 15236
2004-07-26 16:28:33 +00:00
Misha Brukman
796cc48f99
More notes on bugs, unimplemented features, and suggested code improvements.
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Written by Nate Begeman.
llvm-svn: 15235
2004-07-26 16:23:55 +00:00
Misha Brukman
29efda2e6b
Fix subtracting values > 2^15 in the prologue/epilogue, by Nate Begeman.
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llvm-svn: 15234
2004-07-26 16:22:52 +00:00
Misha Brukman
c1e23e1939
Running list of bugs, unimplemented features, currently broken tests, until we
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have a nightly tester set up for PowerPC.
llvm-svn: 15147
2004-07-23 22:37:22 +00:00
Misha Brukman
c7291558eb
Eliminate spurious empty space; make code easier to page through.
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llvm-svn: 15146
2004-07-23 22:35:49 +00:00
Misha Brukman
eaac0bbed7
Simplify boolean test.
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llvm-svn: 15145
2004-07-23 21:43:26 +00:00
Misha Brukman
a899694208
Implement casting a floating point to 32-bit unsigned value
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llvm-svn: 15143
2004-07-23 20:32:59 +00:00
Misha Brukman
ef73e28236
* Codegen of GEPs dramatically improved by folding multiplies and adds
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* Function pointers implemented correctly using appropriate stubs
Contributed by Nate Begeman.
llvm-svn: 15133
2004-07-23 16:08:20 +00:00
Misha Brukman
2ad2adf8cb
Bool alignment on MacOSX/PowerPC is 4 bytes.
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llvm-svn: 15122
2004-07-23 01:11:46 +00:00
Misha Brukman
3f338d98a6
* Change class of BoolTy back to cInt
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* Fix indentation back to 2 spaces
llvm-svn: 15121
2004-07-23 01:11:19 +00:00
Misha Brukman
1109566c8d
* Change bool from cInt to cByte (for now)
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* Don't allow negative immediates to users of unsigned immediates
* Fix long compares
* Support <const int>, op as a potential immediate candidate
* Fix sign extension of short and byte loads
* Fix and improve integer casts
* Fix passing of doubles as vararg functions
Patch contributed by Nate Begeman.
llvm-svn: 15109
2004-07-22 15:58:04 +00:00
Misha Brukman
28e92a3fde
* Add the lost fix to define the second reg of a 2-reg representation of longs
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* Fix opcode RLWNM -> RLWINM since it uses an immediate const shift value
llvm-svn: 15087
2004-07-21 20:30:18 +00:00
Misha Brukman
9543849102
* Speed up canUseAsImmediateForOpcode() by comparing Operand before
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dyn_cast<>ing and checking Constant's value
* Convert tabs to spaces
llvm-svn: 15086
2004-07-21 20:22:06 +00:00
Misha Brukman
7507403c2b
* Fix printing of signed immediate values (Nate Begeman)
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* Fix printing of `zeroinitializer'
* Fix printing of `linkonce' globals, complete with stubs
llvm-svn: 15084
2004-07-21 20:11:11 +00:00
Misha Brukman
64f203922d
* Fix printing of signed immediate values
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* Generation of opcodes that take 16 bit immediates
* Rewrote multiply to be correct for 64 bit values
* Rewrote all the long handling to be correct for PowerPC
* Fix visitSelectInst() to define the upper register of the pair of regs
representing a long value
Patch contributed by Nate Begeman.
llvm-svn: 15083
2004-07-21 20:09:08 +00:00
Misha Brukman
752584b520
Use addSImm() instead of addImm() for stack offsets, which may be negative.
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llvm-svn: 15081
2004-07-21 19:36:57 +00:00
Misha Brukman
3d395cbda3
Add SUBI instruction
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llvm-svn: 15077
2004-07-21 15:53:04 +00:00
Misha Brukman
3e3d141a92
Shorts are aligned to 2 bytes, bools to 1 byte (in structs).
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llvm-svn: 15048
2004-07-20 20:59:57 +00:00
Misha Brukman
6283677946
Treat external variables similarly to those with weak linkage: load indirect.
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llvm-svn: 15047
2004-07-20 20:43:05 +00:00
Misha Brukman
f47940855d
Differentiate between global and weak symbol loads
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llvm-svn: 15037
2004-07-20 15:52:25 +00:00
Misha Brukman
fe769110a0
* Differentiate between global and weak symbol loads
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* Fix functions that take more than 32 bytes of args
* Alignment of doubles in structs is 4 bytes, not 8
* Fix passing long args: rN = hi, rN+1 = lo
* Rewrite signed divide
* Rewrite Intrinsic::returnaddress
Patch courtesy of Nate Begeman.
llvm-svn: 15036
2004-07-20 15:51:37 +00:00
Misha Brukman
5b5aff390a
Differentiate between global and weak symbol loads
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llvm-svn: 15035
2004-07-20 15:45:27 +00:00
Misha Brukman
1942534307
Double alignment in structs is 4 bytes, not 8. Patch by Nate Begeman.
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llvm-svn: 15034
2004-07-20 15:43:25 +00:00
Misha Brukman
0a12f91274
Fix stack frame layout in prologue/epilogue. Patch courtesy of Nate Begeman.
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llvm-svn: 15026
2004-07-20 02:23:09 +00:00
Misha Brukman
6baf9045f6
Move handing of GlobalValues from getReg() to copyConstantToRegister(), this
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will avoid extra register-to-register copies. Thanks to Chris for the idea.
llvm-svn: 15019
2004-07-20 00:59:38 +00:00
Misha Brukman
bec77933fa
* Fn args passed in registers are now recorded as used by the call instruction
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`-> asm printer updated to not print out those registers with the call instr
All of Shootout tests now work. Great thanks to Nate Begeman for the patch!
llvm-svn: 15015
2004-07-20 00:42:19 +00:00
Misha Brukman
fdc633a29b
* cFP class split into cFP32 and cFP64
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* Fn args passed in registers are now recorded as used by the call instruction
`-> asm printer updated to not print out those registers with the call instr
* Stack frame layout in prolog/epilog fixed, spills and vararg fns now work
* float/double to signed int codegen now correct
* various single precision float codegen bugs fixed
* const integer multiply codegen fixed
* select and setcc blocks inserted into the correct place in machine CFG
* load of integer constant code optimized
All of Shootout tests now work. Great thanks to Nate Begeman for the patch!
llvm-svn: 15014
2004-07-20 00:41:46 +00:00
Chris Lattner
8eb32809bc
Fix infinite loop
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llvm-svn: 14971
2004-07-18 18:45:01 +00:00
Chris Lattner
c62e642a1a
CPR Fixes
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llvm-svn: 14961
2004-07-18 07:29:35 +00:00
Misha Brukman
c52cf4db44
We don't really need to #include IPO.h into this file.
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llvm-svn: 14911
2004-07-17 18:37:46 +00:00