Commit Graph

2302 Commits

Author SHA1 Message Date
Jim Laskey 2370265550 libstdc++-v3 was failing to build. Needed to handle composite types with empty
members (running into a zero initializer.)

llvm-svn: 26607
2006-03-08 02:07:02 +00:00
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
Jim Laskey 69effa2325 Switch to using a numeric id for anchors.
llvm-svn: 26598
2006-03-07 20:53:47 +00:00
Jim Laskey 3bad199894 Bitfield support.
llvm-svn: 26593
2006-03-07 15:51:33 +00:00
Chris Lattner 0c801bd1cf Fix some formatting, when looking for hazards, prefer target nodes over
things like copyfromreg.

llvm-svn: 26586
2006-03-07 05:40:43 +00:00
Chris Lattner 01aa752a36 update file comment
llvm-svn: 26573
2006-03-06 17:58:04 +00:00
Evan Cheng a00c61932d Remove some code that doesn't make sense
llvm-svn: 26572
2006-03-06 07:31:44 +00:00
Evan Cheng c5c0658aa6 Remove SUnit::Priority1: it is re-calculated on demand as number of live
range to be generated.

llvm-svn: 26570
2006-03-06 06:08:54 +00:00
Chris Lattner 47639dbb93 Hoist the HazardRecognizer out of the ScheduleDAGList.cpp file to where
targets can implement them.  Make the top-down scheduler non-g5-specific.

Remove the old testing hazard recognizer.

llvm-svn: 26569
2006-03-06 00:22:00 +00:00
Chris Lattner 00b52ea8f9 Comment fixes
llvm-svn: 26567
2006-03-05 23:59:20 +00:00
Chris Lattner 80268aaeed Don't depend on the C99 copysign function, implement it ourselves.
llvm-svn: 26566
2006-03-05 23:57:58 +00:00
Chris Lattner 2d945ba4c7 When a hazard recognizer needs noops to be inserted, do so. This represents
noops as null pointers in the instruction sequence.

llvm-svn: 26564
2006-03-05 23:51:47 +00:00
Chris Lattner fa5e1c9c26 Implement G5HazardRecognizer as a trivial thing that wants 5 cycles between
copyfromreg nodes.  Clearly useful!

llvm-svn: 26559
2006-03-05 23:13:56 +00:00
Chris Lattner e50c092b7c Add basic hazard recognizer support. noop insertion isn't complete yet though.
llvm-svn: 26558
2006-03-05 22:45:01 +00:00
Jeff Cohen 55e2aac24b Fix VC++ compilation error.
llvm-svn: 26554
2006-03-05 21:43:37 +00:00
Chris Lattner 98ecb8ec61 Split the list scheduler into top-down and bottom-up pieces. The priority
function of the top-down scheduler are completely bogus currently, and
having (future) PPC specific in this file is also wrong, but this is a
small incremental step.

llvm-svn: 26552
2006-03-05 21:10:33 +00:00
Chris Lattner 7a36d97518 Move the available queue to being inside the ListSchedule method, since it
bounds its lifetime.

llvm-svn: 26550
2006-03-05 20:21:55 +00:00
Chris Lattner bdaf4f38b5 Reinstate this now that the offending opposite xform has been removed.
llvm-svn: 26548
2006-03-05 19:53:55 +00:00
Chris Lattner c610e62e46 print arbitrary constant pool entries
llvm-svn: 26545
2006-03-05 09:38:03 +00:00
Evan Cheng d428e22c07 Back out fold (shl (add x, c1), c2) -> (add (shl x, c2), c1<<c2) for now.
It's causing an infinite loop compiling ldecod on x86 / Darwin.

llvm-svn: 26544
2006-03-05 07:30:16 +00:00
Chris Lattner 3bc4050217 Add some simple copysign folds
llvm-svn: 26543
2006-03-05 05:30:57 +00:00
Chris Lattner 5c1ba2ac08 Codegen copysign[f] into a FCOPYSIGN node
llvm-svn: 26542
2006-03-05 05:09:38 +00:00
Chris Lattner f29f5204cc fold (mul (add x, c1), c2) -> (add (mul x, c2), c1*c2)
fold (shl (add x, c1), c2) -> (add (shl x, c2), c1<<c2)

This allows us to compile CodeGen/PowerPC/addi-reassoc.ll into:

_test1:
        slwi r2, r4, 4
        add r2, r2, r3
        lwz r3, 36(r2)
        blr
_test2:
        mulli r2, r4, 5
        add r2, r2, r3
        lbz r2, 11(r2)
        extsb r3, r2
        blr

instead of:

_test1:
        addi r2, r4, 2
        slwi r2, r2, 4
        add r2, r3, r2
        lwz r3, 4(r2)
        blr
_test2:
        addi r2, r4, 2
        mulli r2, r2, 5
        add r2, r3, r2
        lbz r2, 1(r2)
        extsb r3, r2
        blr

llvm-svn: 26535
2006-03-04 23:33:26 +00:00
Jim Laskey c44f05d624 Added support for dwarf block data entries.
llvm-svn: 26509
2006-03-03 21:00:14 +00:00
Jim Laskey 88f0fe15a2 Adding basic structure support.
llvm-svn: 26505
2006-03-03 15:06:57 +00:00
Evan Cheng 3bf916ddd9 Add more vector NodeTypes: VSDIV, VUDIV, VAND, VOR, and VXOR.
llvm-svn: 26504
2006-03-03 07:01:07 +00:00
Evan Cheng 23e75f5b49 SDOperand::isOperand should not be a forwarding. It must check *this against N's operands.
llvm-svn: 26502
2006-03-03 06:42:32 +00:00
Evan Cheng 6b08ae8497 Added isOperand(N): true if this is an operand of N
llvm-svn: 26501
2006-03-03 06:24:54 +00:00
Evan Cheng 5e9a695026 A bit more tweaking
llvm-svn: 26500
2006-03-03 06:23:43 +00:00
Jeff Cohen 55c1173a6c Fix VC++ compilation errors.
llvm-svn: 26498
2006-03-03 03:25:07 +00:00
Evan Cheng 993e9cf26e Move #include "llvm/CodeGen/AsmPrinter.h" to top since it's the interface.
llvm-svn: 26493
2006-03-03 02:04:29 +00:00
Chris Lattner ad3c974a77 remove the read/write port/io intrinsics.
llvm-svn: 26479
2006-03-03 00:19:58 +00:00
Chris Lattner 093c159efb Split memcpy/memset/memmove intrinsics into i32/i64 versions, resolving
PR709, and paving the way for future progress.

llvm-svn: 26476
2006-03-03 00:00:25 +00:00
Evan Cheng 4e3904f637 - Fixed some priority calculation bugs that were causing bug 478. Among them:
a predecessor appearing more than once in the operand list was counted as
  multiple predecessor; priority1 should be updated during scheduling;
  CycleBound was updated after the node is inserted into priority queue; one
  of the tie breaking condition was flipped.
- Take into consideration of two address opcodes. If a predecessor is a def&use
  operand, it should have a higher priority.
- Scheduler should also favor floaters, i.e. nodes that do not have real
  predecessors such as MOV32ri.
- The scheduling fixes / tweaks fixed bug 478:
        .text
        .align  4
        .globl  _f
_f:
        movl 4(%esp), %eax
        movl 8(%esp), %ecx
        movl %eax, %edx
        imull %ecx, %edx
        imull %eax, %eax
        imull %ecx, %ecx
        addl %eax, %ecx
        leal (%ecx,%edx,2), %eax
        ret

  It is also a slight performance win (1% - 3%) for most tests.

llvm-svn: 26470
2006-03-02 21:38:29 +00:00
Jim Laskey 862001ad75 Support for enumerations.
llvm-svn: 26466
2006-03-01 23:52:37 +00:00
Evan Cheng 38d5e768b2 Don't print llvm constant in assmebly file. Assembler won't like comments that
span multiple lines.

llvm-svn: 26463
2006-03-01 22:18:09 +00:00
Chris Lattner 0db2f2c689 Fix CodeGen/Generic/2006-03-01-dagcombineinfloop.ll, an infinite loop
in the dag combiner on 176.gcc on x86.

llvm-svn: 26459
2006-03-01 21:47:21 +00:00
Jim Laskey 4e71db13d6 Switch back to using actual dwarf tags. Simplifies code without loss to other
debug forms.

llvm-svn: 26455
2006-03-01 20:39:36 +00:00
Chris Lattner 232024edb8 Fix a typo evan noticed
llvm-svn: 26454
2006-03-01 19:55:35 +00:00
Jim Laskey f770cf5b90 Use context and not compile unit.
llvm-svn: 26453
2006-03-01 18:20:30 +00:00
Jim Laskey 1246d5c054 I guess I can handle large type sizes.
llvm-svn: 26452
2006-03-01 18:13:05 +00:00
Jim Laskey b9ac4cba66 Basic array support.
llvm-svn: 26451
2006-03-01 17:53:02 +00:00
Chris Lattner bc1c85beea Add support for target-specific dag combines
llvm-svn: 26443
2006-03-01 04:53:38 +00:00
Chris Lattner fbcd62d3bb Add a new AddToWorkList method, start using it
llvm-svn: 26441
2006-03-01 04:03:14 +00:00
Chris Lattner 324871ef1a Pull shifts by a constant through multiplies (a form of reassociation),
implementing Regression/CodeGen/X86/mul-shift-reassoc.ll

llvm-svn: 26440
2006-03-01 03:44:24 +00:00
Evan Cheng b97aab4371 Vector ops lowering.
llvm-svn: 26436
2006-03-01 01:09:54 +00:00
Evan Cheng be85e89ec4 - Added VConstant as an abstract version of ConstantVec.
- All abstrct vector nodes must have # of elements and element type as their
first two operands.

llvm-svn: 26432
2006-03-01 00:51:13 +00:00
Jim Laskey 716edb9754 Add const, volatile, restrict support.
Add array of debug descriptor support.

llvm-svn: 26428
2006-02-28 20:15:07 +00:00
Chris Lattner f0032b350c Compile:
unsigned foo4(unsigned short *P) { return *P & 255; }
unsigned foo5(short *P) { return *P & 255; }

to:

_foo4:
        lbz r3,1(r3)
        blr
_foo5:
        lbz r3,1(r3)
        blr

not:

_foo4:
        lhz r2, 0(r3)
        rlwinm r3, r2, 0, 24, 31
        blr
_foo5:
        lhz r2, 0(r3)
        rlwinm r3, r2, 0, 24, 31
        blr

llvm-svn: 26419
2006-02-28 06:49:37 +00:00
Chris Lattner bdbc4476d9 Fold "and (LOAD P), 255" -> zextload. This allows us to compile:
unsigned foo3(unsigned *P) { return *P & 255; }
as:
_foo3:
        lbz r3, 3(r3)
        blr

instead of:

_foo3:
        lwz r2, 0(r3)
        rlwinm r3, r2, 0, 24, 31
        blr

and:

unsigned short foo2(float a) { return a; }

as:
_foo2:
        fctiwz f0, f1
        stfd f0, -8(r1)
        lhz r3, -2(r1)
        blr

instead of:

_foo2:
        fctiwz f0, f1
        stfd f0, -8(r1)
        lwz r2, -4(r1)
        rlwinm r3, r2, 0, 16, 31
        blr

llvm-svn: 26417
2006-02-28 06:35:35 +00:00