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a961b3c083
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3410 Commits

Author SHA1 Message Date
Sumant Kowshik
a961b3c083 Made changes suggested by Chris 
llvm-svn: 6606
 2003-06-04 08:03:57 +00:00
Chris Lattner
95d21756aa Clean up previous code. 
Add new combination to turn seteq X, 0 -> not(cast X to bool)

llvm-svn: 6604
 2003-06-04 05:10:11 +00:00
Misha Brukman
b126ea43eb I have finally seen the light. The code to change the opcode must live higher in 
the loop, and in both cases. In the first case, it is a VReg that is a constant
so it may be actually converted to a constant. In the second case, it is already
a constant, but then if it doesn't change its type (e.g. to become a register
and have the value loaded from memory if it is too large to live in its
instruction field), we must change the opcode BEFORE the 'continue', otherwise
we miss the opportunity.

llvm-svn: 6602
 2003-06-04 04:54:06 +00:00
Misha Brukman
29b191bbed Added the 4.7 instruction class and all the FMOVcc instructions in them. 
llvm-svn: 6601
 2003-06-04 04:48:31 +00:00
Chris Lattner
b2ea03d03a Implement combination of boolean not with branch 
llvm-svn: 6599
 2003-06-04 04:46:00 +00:00
Misha Brukman
168c089a59 Comment out opcodes currently unused in the Sparc backend. 
llvm-svn: 6597
 2003-06-04 02:57:55 +00:00
Chris Lattner
7190c04fc5 No really, you _cannot use_ getelementptr on an unsized type: that makes 
no sense.

llvm-svn: 6595
 2003-06-04 02:35:35 +00:00
Misha Brukman
ee88ddfc38 Added instruction format class 3.15 and floating-point compare instructions. 
llvm-svn: 6594
 2003-06-04 02:26:14 +00:00
Vikram S. Adve
15a27e40c6 Undo one of those last fixes -- it was incorrect. 
llvm-svn: 6593
 2003-06-04 02:10:37 +00:00
Misha Brukman
6e22f0fa52 Sparc's dlsym() requires the special operand RTLD_SELF to find a symbol in the 
currently-running process.

llvm-svn: 6592
 2003-06-04 01:57:22 +00:00
Chris Lattner
48586849db Avoid generating a getelementptr instruction of a function 
llvm-svn: 6591
 2003-06-04 01:24:40 +00:00
Misha Brukman
a69a008010 Pass through the emitConstantPool() call to the real emitter. 
llvm-svn: 6590
 2003-06-03 20:00:49 +00:00
Brian Gaeke
0caf021e69 Make the write*map methods more self-contained. Document some more. 
llvm-svn: 6589
 2003-06-03 19:30:15 +00:00
Chris Lattner
1cb899dd19 Remove usage of typedef 
llvm-svn: 6583
 2003-06-03 15:41:58 +00:00
Chris Lattner
92fba99afb Add namespace comments for doxygen 
llvm-svn: 6581
 2003-06-03 15:31:23 +00:00
Brian Gaeke
e55a000638 I documented this file, in an attempt to understand it, with a view toward 
rewriting it.  I also vacuumed out all the commented-out code and
inaccurate comments, etc.

(We need to put the mapping information in a data structure so that we can
pass it out to the JIT, instead of automagically converting it to .byte
directives.)

llvm-svn: 6574
 2003-06-03 07:56:05 +00:00
Chris Lattner
88a500368b Use the new -o tablegen option 
llvm-svn: 6572
 2003-06-03 05:06:33 +00:00
Misha Brukman
e5c5705c02 Constants are laid out in memory in PC-relative form. 
llvm-svn: 6568
 2003-06-03 03:24:12 +00:00
Misha Brukman
1b73726832 Added opcode conversion for conditional move of integers. 
llvm-svn: 6567
 2003-06-03 03:23:35 +00:00
Misha Brukman
28430ecbc6 * Convert load/store opcodes from register to immediate forms. 
* Stop code from wrapping to the next line.

llvm-svn: 6566
 2003-06-03 03:21:58 +00:00
Misha Brukman
77188166d5 Convert load/store opcodes from register to immediate forms, if necessary. 
llvm-svn: 6565
 2003-06-03 03:20:57 +00:00
Misha Brukman
4c382415f6 Store instructions are different from other Format 3.1/3.2 instructions in that 
they prefer the destination register to be last. Thus, two new classes were made
for them that accomodate for having this layout of operands (F3_1rd, F3_2rd).

llvm-svn: 6564
 2003-06-03 03:20:14 +00:00
Misha Brukman
7a5eac8485 Moved code to modify the opcode from 'reg' to 'imm' form to a more logical place. 
llvm-svn: 6563
 2003-06-03 03:18:20 +00:00
Misha Brukman
2a257c6d5d * Added section A.34: Move FP register on int reg condition (FMOVr) 
* Labeled sections that are not currently used in the Sparc backend as not
  requiring completion at this time.

llvm-svn: 6562
 2003-06-03 01:16:27 +00:00
Misha Brukman
7340e85998 * Removed unused classes (rd field is always mentioned last); fixed comments. 
* Added instruction classes which start building from rs1, then rs2, and rd.
* Fixed order of operands in classes 4.1 and 4.2; added 4.6 .

llvm-svn: 6561
 2003-06-03 01:13:53 +00:00
Misha Brukman
2de19586d6 * Removed unused classes: the rd field is always mentioned as the last reg. 
* Added new classes which start building from rs1, adding rs2, and then rd.
* Fixed order of operands in classes 3.11, 3.12, 3.16, and 3.17 .
* Fixed comments to reflect Real Life (tm).
* Removed "don't care" commented out assignments and dead classes (#if 0).

llvm-svn: 6560
 2003-06-03 01:11:58 +00:00
Misha Brukman
8866b56ddd The rd field goes after the immediate field in format 2.1 instructions. 
llvm-svn: 6559
 2003-06-03 01:04:04 +00:00
Misha Brukman
8871478c0c Moved FInfo.cpp to lib/Target/Sparc as it is Sparc-specific. 
llvm-svn: 6554
 2003-06-02 23:27:09 +00:00
Chris Lattner
abad1ceca0 Minor cleanups. 
This pass should be moved to lib/Target/Sparc since it's sparc specific
It also needs a file comment.

llvm-svn: 6553
 2003-06-02 22:57:41 +00:00
Chris Lattner
46e24d4492 Remove usage of noncopyable classes to clean up doxygen output. 
In particular these classes are the last that link the noncopyable classes
with the hash_map, vector, and list classes.

llvm-svn: 6552
 2003-06-02 22:45:07 +00:00
Chris Lattner
322afbda9d Add #include 
llvm-svn: 6550
 2003-06-02 22:05:13 +00:00
Misha Brukman
f343fb82d0 Added MOVR (move int reg on register condition), aka comparison with zero. 
None of these instructions are actually used in the Sparc backend, so no changes
were required in the instruction selector.

llvm-svn: 6549
 2003-06-02 21:16:54 +00:00
Misha Brukman
6f65b13ed3 SparcInstr.def: added 'r' and 'i' versions of MOV(F)cc instructions 
SparcInstrSelection.cpp:
* Fixed opcodes to return correct 'i' version since the two functions are each
  only used in one place.
* Changed name of function to have an 'i' in the name to signify that they each
  return an immediate form of the opcode.
* Added a warning if either of the functions is ever used in a context which
  requires a register-version opcode.

SparcV9_F4.td: fixed class F4_3, added F4_4 and notes that F4_{1,2} need fixing
SparcV9.td: added the MOV(F)cc instructions

llvm-svn: 6548
 2003-06-02 20:55:14 +00:00
Misha Brukman
e837bd5b48 Removed a useless ofstream. 
llvm-svn: 6547
 2003-06-02 20:49:09 +00:00
Misha Brukman
a285dbf6fd * Added casts to/from floating-point to integers. 
* Changed // comments to #ifdef 0 to maintain syntax highlighting.

llvm-svn: 6546
 2003-06-02 19:08:37 +00:00
Guochun Shi
c41e21ef9e compiled with the new SchedGraphCommon 
llvm-svn: 6545
 2003-06-02 17:48:56 +00:00
Chris Lattner
37b01d74e4 * Make assertion message useful 
* Kill dead conditional

llvm-svn: 6544
 2003-06-02 17:42:47 +00:00
Chris Lattner
c17deffb2b Fix bug: Linker/2003-06-02-TypeResolveProblem.ll 
llvm-svn: 6542
 2003-06-02 17:25:46 +00:00
Chris Lattner
fe6eef643c Be more robust in the face of undefined behavior. 
Fixes bug: BasicAA/2003-06-01-AliasCrash.ll

llvm-svn: 6538
 2003-06-02 05:42:39 +00:00
Misha Brukman
5e6f3a150c Clean up after merging in SparcEmitter.cpp; branches and return work again. 
llvm-svn: 6536
 2003-06-02 05:24:46 +00:00
Chris Lattner
a6e3ff1b5a Minor cleanups 
llvm-svn: 6535
 2003-06-02 05:21:06 +00:00
Misha Brukman
cb7c80a95c Eliminated a compiler warning due to casting to a different-sized datatype. 
llvm-svn: 6531
 2003-06-02 04:13:58 +00:00
Misha Brukman
5f7d301059 Merged in tools/lli/JIT/SparcEmitter.cpp, coupled with the JITResolver taken 
from lib/Target/X86/X86CodeEmitter.cpp .

llvm-svn: 6530
 2003-06-02 04:12:39 +00:00
Misha Brukman
1407922069 Remove spurious assert() 
llvm-svn: 6529
 2003-06-02 04:10:41 +00:00
Misha Brukman
8ce9f2956e Renamed MachineCodeEmitter.cpp -> X86CodeEmitter.cpp as it conflicts with the 
target-independent lib/CodeGen/MachineCodeEmitter.cpp; preserved CVS history.

llvm-svn: 6528
 2003-06-02 03:28:00 +00:00
Misha Brukman
1c70c3f7a3 * Removed SparcEmitter.cpp; rolled into lib/Target/Sparc/SparcV9CodeEmitter.cpp 
* No more createX86Emitter() vs. createSparcEmitter() -- there can be only one
* As a result, the memory management semantics must be handled according to
  platform -- the parameters to mmap() are particularly sensitive to the host
  architecture.

llvm-svn: 6527
 2003-06-02 03:23:16 +00:00
Chris Lattner
c8c58138b6 Fix bug: CBackend/2003-06-01-NullPointerType.ll 
llvm-svn: 6526
 2003-06-02 03:10:53 +00:00
Brian Gaeke
1547687d07 Deal with %lo/%lm/%hm/%hh flags in getMachineOpValue(). 
llvm-svn: 6522
 2003-06-02 02:13:26 +00:00
Brian Gaeke
bbbe5d71d2 The flag modifications weren't picking up the old values of the 
flags before. Save them in a temporary variable, then restore them from the
temporary after creating the new constant.

llvm-svn: 6520
 2003-06-02 02:10:31 +00:00
Chris Lattner
1136441fcf Remove obsolete code 
llvm-svn: 6518
 2003-06-02 00:09:00 +00:00