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Author SHA1 Message Date
Chris Lattner
8be1fa5dc5 Convert these cases to patterns 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23811 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-19 01:38:02 +00:00
Nate Begeman
8d94832394 Woo, it kinda works. We now generate this atrociously bad, but correct, 
code for long long foo(long long a, long long b) { return a + b; }

_foo:
        or r2, r3, r3
        or r3, r4, r4
        or r4, r5, r5
        or r5, r6, r6
        rldicr r2, r2, 32, 31
        rldicl r3, r3, 0, 32
        rldicr r4, r4, 32, 31
        rldicl r5, r5, 0, 32
        or r2, r3, r2
        or r3, r5, r4
        add r4, r3, r2
        rldicl r2, r4, 32, 32
        or r4, r4, r4
        or r3, r2, r2
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23809 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-19 01:12:32 +00:00
Chris Lattner
e5468305a0 apply some tblgen majik to simplify the X register definitions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23805 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-19 00:17:55 +00:00
Nate Begeman
da32c9eed6 Make a new reg class for 64 bit regs that aliases the 32 bit regs. This 
will have to tide us over until we get real subreg support, but it prevents
the PrologEpilogInserter from spilling 8 byte GPRs on a G4 processor.

Add some initial support for TRUNCATE and ANY_EXTEND, but they don't
currently work due to issues with ScheduleDAG.  Something wll have to be
figured out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23803 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-19 00:05:37 +00:00
Nate Begeman
4a95945fa5 Add the ability to lower return instructions to TargetLowering. This 
allows us to lower legal return types to something else, to meet ABI
requirements (such as that i64 be returned in two i32 regs on Darwin/ppc).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23802 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-18 23:23:37 +00:00
Jim Laskey
21f587ca24 Simple edits; remove unimplimented cases and clarify long haul SLU cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23788 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-18 16:59:23 +00:00
Chris Lattner
841d12d9ac Fix the JIT encoding of LWA, LD, STD, and STDU. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23787 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-18 16:51:22 +00:00
Jim Laskey
076866c50f Checking in first round of scheduling tablegen files. Not tied in as yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23786 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-18 16:23:40 +00:00
Chris Lattner
3d8df55fed add a case 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23785 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-18 06:30:51 +00:00
Nate Begeman
9d2b817fcb Do the right thing and enable 64 bit regs under the control of a subtarget 
option.  Currently the only way to enable this is to specify the
64bitregs mattr flag.  It is never enabled by default on any config yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23779 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-18 00:56:42 +00:00
Nate Begeman
1d9d7427c4 First bits of 64 bit PowerPC stuff, currently disabled. A lot of this is 
purely mechanical.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23778 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-18 00:28:58 +00:00
Nate Begeman
21e463b2bf More PPC32 -> PPC changes, as well as merging some classes that were 
redundant after the change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23759 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-16 05:39:50 +00:00
Nate Begeman
34f342e36f Remove some dead code now that the dag combiner exists. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23754 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-15 22:08:02 +00:00
Chris Lattner
4cb5a1b896 Remove some dead code: the ORI/ORIS cases are autogen'd. This makes 
SelectIntImmediateExpr dead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23753 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-15 22:06:18 +00:00
Chris Lattner
de123822e5 prune #includes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23752 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-15 21:58:54 +00:00
Chris Lattner
75c9f67370 These instructions are now autogenerated 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23751 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-15 21:44:56 +00:00
Chris Lattner
e0b2e6372f Add a pattern for FSQRTS 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23750 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-15 21:44:15 +00:00
Chris Lattner
651dea74f6 remove dead code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23749 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-15 21:40:12 +00:00
Chris Lattner
d242419e17 remove broken SRA/rlwimi case 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23746 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-15 19:04:48 +00:00
Chris Lattner
16e71f2f70 Rename PPC32*.h to PPC*.h 
This completes the grand PPC file renaming


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23745 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 23:59:06 +00:00
Chris Lattner
b9459b731a Merge PPCJITInfo.h and PPC32JITInfo.h. Note that the PowerPCJITInfo 
and PPC32JITInfo classes should be merged.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23744 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 23:53:41 +00:00
Chris Lattner
2668959b88 Rename PowerPC*.h to PPC*.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23743 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 23:51:18 +00:00
Chris Lattner
26bd0d48a1 Rename PowerPCInstrBuilder.h -> PPC* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23742 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 23:45:43 +00:00
Chris Lattner
ec4b73cb09 Nuke the PowerPCTargetMachine.h header. Note that the PowerPCTargetMachine 
still should be merged into the PPC32TargetMachine class


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23741 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 23:44:05 +00:00
Chris Lattner
f379997adc Rename PowerPC*.td -> PPC*.td 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23740 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 23:40:39 +00:00
Chris Lattner
f1ed100bc4 These are dead 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23739 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 23:38:51 +00:00
Chris Lattner
4c7b43b43f Eliminate PowerPC.td and PPC32.td, consolidating them into PPC.td 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23738 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 23:37:35 +00:00
Chris Lattner
e87bc1f3a8 Like the comment says... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23737 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 22:48:24 +00:00
Chris Lattner
617742b1b8 Nuke PowerPCInstrFormats.h, its contents are dead. Remove the definitions 
from the .td file that correspond to it


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23736 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 22:44:13 +00:00
Nate Begeman
14e2cf62f4 Properly split f32 and f64 into separate register classes for scalar sse fp 
fixing a bunch of nasty hackery


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23735 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 22:06:00 +00:00
Nate Begeman
e0de44adba Remove an unnecsesary file. PPC32 and PPC64 share architected registers. 
We will decide with subtarget support whether we ever use an i64 register
class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23734 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 18:58:46 +00:00
Chris Lattner
444215dddc add the integer truncate/extension operations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23733 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 06:40:20 +00:00
Chris Lattner
3f31d4304c These are now autogenerated 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23731 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 06:26:29 +00:00
Chris Lattner
7cb6491a0d Add patterns for FP round/extend 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23727 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 04:55:50 +00:00
Chris Lattner
13664a6194 add a new SDTCisOpSmallerThanOp type constraint, and implement fround/fextend in terms of it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23726 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-14 04:55:10 +00:00
Chris Lattner
7b1fe15de0 These definitions have been moved to common code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23681 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-10 06:01:00 +00:00
Chris Lattner
17f2cf05b3 Pull DAG ISel generation nodes out of the PowerPC backend to where they 
can be used by other targets.  For those targets that want to use it,
have at.  :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23680 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-10 06:00:30 +00:00
Andrew Lenharth
fa08fb2c78 This seems useful from the original patch that added the function. If there is a reason it is not useful on a RISC type target, let me know and I will pull it out 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23676 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-09 20:11:35 +00:00
Chris Lattner
65a419a104 Disable formation of rlwinm instructions from SRA bases. This fixes 
the 177.mesa failure from last night, and fixes the
CodeGen/PowerPC/2005-10-08-ArithmeticRotate.ll regression test I added.
If this code cannot be fixed, it should be removed for good, but I'll leave
it to Nate to decide its fate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23670 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-09 05:36:17 +00:00
Nate Begeman
7d47a61496 Remove another unused file. Preparing for the great "enable i64 on ppc32" 
merge, and using subtarget info for ptr size.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23668 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-08 01:32:34 +00:00
Nate Begeman
02f77d1e83 Remove a file that is no longer used 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23666 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-08 01:21:27 +00:00
Chris Lattner
cf01a70550 When preselecting, favor things that have low depth to select first. This 
is faster and uses less stack space.  This reduces our stack requirement
enough to compile sixtrack, and though it's a hack, should be enough until
we switch to iterative isel


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23664 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-07 22:10:27 +00:00
Chris Lattner
eb5d47d99d Fix a CQ regression from my patch to split F32/F64 into seperate register 
classes on PPC.  We were emitting fmr instructions to do fp extensions, which
weren't getting coallesced.  This fixes Regression/CodeGen/PowerPC/fpcopy.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23654 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-07 05:00:52 +00:00
Chris Lattner
7a7c979ddd Fix CodeGen/Generic/bool-to-double.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23652 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-07 04:50:48 +00:00
Chris Lattner
6a16f6a14f Pull out Call, reducing stack frame size from 6032 bytes to 5184 bytes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23650 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-06 19:07:45 +00:00
Chris Lattner
222adac30a Pull out setcc, this reduces stack frame size from 7520 to 6032 bytes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23649 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-06 19:03:35 +00:00
Chris Lattner
2b63e4c5e2 Pull two more methods out, reducing stack frame size from 8224 -> 7520 bytes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23648 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-06 18:56:10 +00:00
Chris Lattner
bd937b98f4 Add a recursive-iterative hybrid stage to attempt to reduce stack space, this 
helps but not enough.

Start pulling cases out of PPC32DAGToDAGISel::Select.  With GCC 4, this function
required 8512 bytes of stack space for each invocation (GCC 3 required less
than 700 bytes).  Pulling this first function out gets us down to 8224.  More
to come :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23647 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-06 18:45:51 +00:00
Andrew Lenharth
f3fb71bfd7 This is suppose to work now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23644 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-06 16:54:29 +00:00
Andrew Lenharth
d5613debf9 remove VAX compatibility instruction, we will never use this 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23643 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-06 16:53:32 +00:00