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1156 Commits

Author SHA1 Message Date
Jim Laskey 313570fb17 Use "llvm.metadata" section for debug globals. Filter out these globals in the 
asm printer.

llvm-svn: 26599
 2006-03-07 22:00:35 +00:00
Chris Lattner 907e13c742 add another missing store. 
llvm-svn: 26595
 2006-03-07 16:26:48 +00:00
Chris Lattner 8c73d80b08 add a couple more load/store instrs, add a newline to the end of file. 
llvm-svn: 26594
 2006-03-07 16:19:46 +00:00
Nate Begeman 3e3219cc0a This kinda sorta implements "things that have to lead a dispatch group". 
llvm-svn: 26591
 2006-03-07 08:30:27 +00:00
Chris Lattner 675567f77c add some new instructions to the classifier. With this, we correctly insert 
a nop into Freebench/neural, which speeds it up from 136->129s (~5.4%).

llvm-svn: 26590
 2006-03-07 07:14:55 +00:00
Chris Lattner 05ad128dca add some comments that describe what we model 
llvm-svn: 26588
 2006-03-07 06:44:19 +00:00
Chris Lattner 2cab13573c Implement a very very simple hazard recognizer for LSU rejects and ctr set/read 
flushes

llvm-svn: 26587
 2006-03-07 06:32:48 +00:00
Chris Lattner 883cefc656 add a note 
llvm-svn: 26585
 2006-03-07 04:42:59 +00:00
Chris Lattner ea79d9fd73 implement TII::insertNoop 
llvm-svn: 26562
 2006-03-05 23:49:55 +00:00
Chris Lattner 9c7f50376a Copysign needs to be expanded everywhere. Note that Alpha and IA64 should 
implement copysign as a native op if they have it.

llvm-svn: 26541
 2006-03-05 05:08:37 +00:00
Chris Lattner 60a60f4b1e Implement CodeGen/PowerPC/or-addressing-mode.ll, which is also PR668. 
llvm-svn: 26450
 2006-03-01 07:14:48 +00:00
Chris Lattner 3cb349a068 add a note 
llvm-svn: 26448
 2006-03-01 06:36:20 +00:00
Chris Lattner 27f5345b1f Compile this: 
void foo(float a, int *b) { *b = a; }

to this:

_foo:
        fctiwz f0, f1
        stfiwx f0, 0, r4
        blr

instead of this:

_foo:
        fctiwz f0, f1
        stfd f0, -8(r1)
        lwz r2, -4(r1)
        stw r2, 0(r4)
        blr

This implements CodeGen/PowerPC/stfiwx.ll, and also incidentally does the
right thing for GCC bugzilla 26505.

llvm-svn: 26447
 2006-03-01 05:50:56 +00:00
Chris Lattner f418435819 Use a target-specific dag-combine to implement CodeGen/PowerPC/fp-int-fp.ll. 
llvm-svn: 26445
 2006-03-01 04:57:39 +00:00
Evan Cheng 1926427351 Vector op lowering. 
llvm-svn: 26438
 2006-03-01 01:11:20 +00:00
Chris Lattner b9f35f06bc Add a subtarget feature for the stfiwx instruction. I know the G5 has it, 
but I don't know what other PPC impls do.  If someone could update the proc
table, I would appreciate it :)

llvm-svn: 26421
 2006-02-28 07:08:22 +00:00
Chris Lattner 872810da6c remove implemented item 
llvm-svn: 26418
 2006-02-28 06:36:04 +00:00
Nate Begeman f918ed2e33 readme updates 
llvm-svn: 26405
 2006-02-27 22:08:36 +00:00
Chris Lattner 7674d90fa1 Add memory printing support for PPC. Input memory operands now work with 
inline asms! :)

llvm-svn: 26365
 2006-02-24 20:27:40 +00:00
Chris Lattner a1ec1ddd59 Implement selection of inline asm memory operands 
llvm-svn: 26348
 2006-02-24 02:13:12 +00:00
Evan Cheng 0ed48fe601 PPC JIT relocation model should be DynamicNoPIC. 
llvm-svn: 26338
 2006-02-23 22:18:07 +00:00
Chris Lattner 1bad2546d0 Implement the PPC inline asm "L" modifier. This allows us to compile: 
long long test(long long X) {
  __asm__("foo %0 %L0 %1 %L1" : "=r"(X): "r"(X));
  return X;
}

to:
        foo r2 r3 r2 r3

llvm-svn: 26333
 2006-02-23 19:31:10 +00:00
Evan Cheng 73136dfecc - Added option -relocation-model to set relocation model. Valid values include static, pic, 
dynamic-no-pic, and default.
PPC and x86 default is dynamic-no-pic for Darwin, pic for others.
- Removed options -enable-pic and -ppc-static.

llvm-svn: 26315
 2006-02-22 20:19:42 +00:00
Jim Laskey 2fa33a989d Coordinate activities with llvm-gcc4 and dwarf. 
llvm-svn: 26314
 2006-02-22 19:02:11 +00:00
Chris Lattner 7ad77dfc2a split register class handling from explicit physreg handling. 
llvm-svn: 26308
 2006-02-22 00:56:39 +00:00
Chris Lattner 7bb4696dc3 Updates to match change of getRegForInlineAsmConstraint prototype 
llvm-svn: 26305
 2006-02-21 23:11:00 +00:00
Evan Cheng 5f99760ae7 Moved PICEnabled to include/llvm/Target/TargetOptions.h 
llvm-svn: 26272
 2006-02-18 00:08:58 +00:00
Nate Begeman 5965bd19f8 kill ADD_PARTS & SUB_PARTS and replace them with fancy new ADDC, ADDE, SUBC 
and SUBE nodes that actually expose what's going on and allow for
significant simplifications in the targets.

llvm-svn: 26255
 2006-02-17 05:43:56 +00:00
Evan Cheng 42c01c8d39 If the false case is the current basic block, then this is a self loop. 
We do not want to emit "Loop: ... brcond Out; br Loop", as it adds an extra
instruction in the loop.  Instead, invert the condition and emit
"Loop: ... br!cond Loop; br Out.

Generalize the fix by moving it from PPCDAGToDAGISel to SelectionDAGLowering.

llvm-svn: 26231
 2006-02-16 08:27:56 +00:00
Chris Lattner b134520b86 If we have zero initialized data with external linkage, use .zerofill to 
emit it (instead of .space), saving a bit of space in the .o file.

For example:
int foo[100];
int bar[100] = {};

when compiled with C++ or -fno-common results in shrinkage from 1160 to 360
bytes of space.  The X86 backend can also do this on darwin.

llvm-svn: 26185
 2006-02-14 22:18:23 +00:00
Chris Lattner 84fb09eba4 Make sure that weak functions are aligned properly 
llvm-svn: 26181
 2006-02-14 20:42:33 +00:00
Chris Lattner 3a0ad47b39 Switch to using getCALLSEQ_START instead of using our own creation calls 
llvm-svn: 26142
 2006-02-13 08:55:29 +00:00
Nate Begeman bc3ec1d37b Add missing patterns for andi. and andis., fixing test/Regression/CodeGen/ 
PowerPC/and-imm.ll

llvm-svn: 26136
 2006-02-12 09:09:52 +00:00
Evan Cheng d1b82d8db0 Match getTargetNode() changes (now return SDNode* instead of SDOperand). 
llvm-svn: 26085
 2006-02-09 07:17:49 +00:00
Evan Cheng 6dc90ca172 Change Select() from 
SDOperand Select(SDOperand N);
to
void Select(SDOperand &Result, SDOperand N);

llvm-svn: 26067
 2006-02-09 00:37:58 +00:00
Chris Lattner 2e07d6370a Darwin doesn't support #APP/#NO_APP 
llvm-svn: 26066
 2006-02-08 23:42:22 +00:00
Chris Lattner 26e385a623 Rename BSel -> PPCBSel for the benefit of doxygen users. 
Move the methods out of line.
Remove unused Debug.h stuff.
Teach getNumBytesForInstruction to know the size of an inline asm.

llvm-svn: 26064
 2006-02-08 19:33:26 +00:00
Chris Lattner f7b962d7d7 Emit the 'mr' pseudoop for easier reading. 
llvm-svn: 26053
 2006-02-08 06:56:40 +00:00
Chris Lattner b97142eec0 Move emails from nate into public places 
llvm-svn: 26051
 2006-02-08 06:43:51 +00:00
Chris Lattner 203b2f1288 Implement getConstraintType for PPC. 
llvm-svn: 26042
 2006-02-07 20:16:30 +00:00
Chris Lattner 15a6c4c444 Add the simple PPC integer constraints 
llvm-svn: 26027
 2006-02-07 00:47:13 +00:00
Chris Lattner 2bf2c8d7e7 Change prototype 
llvm-svn: 26022
 2006-02-06 22:18:19 +00:00
Jim Laskey 58d48c8118 We seem to have settled to __DWARF for section name. 
llvm-svn: 26015
 2006-02-06 14:16:15 +00:00
Evan Cheng bfa4b7cc75 Complex pattern isel code shouldn't select nodes. 
llvm-svn: 26010
 2006-02-05 08:45:01 +00:00
Evan Cheng 54cb1833a4 Use SelectRoot() as entry of any tblgen based isel. 
llvm-svn: 25997
 2006-02-05 06:46:41 +00:00
Chris Lattner c0e48c6c58 add a note 
llvm-svn: 25984
 2006-02-05 05:27:35 +00:00
Chris Lattner 1b1a8731c0 Use the asmprinter to find out what the preferred alignment of a global is. 
This patch speeds up 172.mgrid from 31.81s to 11.39s on darwin/ppc.
Many many thanks to Nate for tracking down the root cause of the issue.

llvm-svn: 25979
 2006-02-05 01:30:45 +00:00
Nate Begeman a1e895cf97 Remove some stuff that now works 
llvm-svn: 25963
 2006-02-04 07:29:35 +00:00
Chris Lattner 81e66abd1e add a note 
llvm-svn: 25944
 2006-02-03 22:06:45 +00:00
Chris Lattner a23b04acdb remove some target-indep and implemented notes 
llvm-svn: 25930
 2006-02-03 06:22:11 +00:00