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Author SHA1 Message Date
Chris Lattner 5879efe0c8 add a note, move an altivec todo to the altivec list. 
llvm-svn: 27654
 2006-04-13 16:48:00 +00:00
Chris Lattner acf1fc8a28 add a note 
llvm-svn: 27360
 2006-04-02 07:20:00 +00:00
Chris Lattner 22ec3e7b7e Split out altivec notes into their own README 
llvm-svn: 27168
 2006-03-27 07:04:16 +00:00
Chris Lattner 5d70a7c4a5 #include Intrinsics.h into all dag isels 
llvm-svn: 27109
 2006-03-25 06:47:10 +00:00
Chris Lattner 9f9b6116e1 add another note 
llvm-svn: 27077
 2006-03-24 20:04:27 +00:00
Chris Lattner cbcfe46556 add a note 
llvm-svn: 27000
 2006-03-23 21:28:44 +00:00
Chris Lattner eccf46950c This has been implemented. Tweak it into another note 
llvm-svn: 26944
 2006-03-22 05:33:23 +00:00
Nate Begeman 013127981a Update readme 
llvm-svn: 26924
 2006-03-21 18:58:20 +00:00
Chris Lattner f194834161 minor note 
llvm-svn: 26912
 2006-03-21 00:47:09 +00:00
Chris Lattner 169e6238ad Add a note about the MUL -> FMADD vector bug. 
llvm-svn: 26874
 2006-03-19 22:08:08 +00:00
Chris Lattner ea6468758d notes 
llvm-svn: 26856
 2006-03-19 05:33:30 +00:00
Nate Begeman bb01d4f272 Remove BRTWOWAY* 
Make the PPC backend not dependent on BRTWOWAY_CC and make the branch
selector smarter about the code it generates, fixing a case in the
readme.

llvm-svn: 26814
 2006-03-17 01:40:33 +00:00
Nate Begeman fb0e36fa56 Notes on how to kill the eeevil brtwoway, and make ppc branch selector 
more target independant, generate better code, and be less conservative.

llvm-svn: 26809
 2006-03-16 22:37:48 +00:00
Chris Lattner 325bb46315 add a note 
llvm-svn: 26807
 2006-03-16 22:25:55 +00:00
Nate Begeman 32e73f9881 Another case we could do better on. 
llvm-svn: 26795
 2006-03-16 18:50:44 +00:00
Chris Lattner a8dd636192 add a note 
llvm-svn: 26605
 2006-03-08 00:25:47 +00:00
Chris Lattner 883cefc656 add a note 
llvm-svn: 26585
 2006-03-07 04:42:59 +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
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 b97142eec0 Move emails from nate into public places 
llvm-svn: 26051
 2006-02-08 06:43:51 +00:00
Chris Lattner c0e48c6c58 add a note 
llvm-svn: 25984
 2006-02-05 05:27:35 +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
Nate Begeman fc567d85d5 Flesh out a couple of the items in the README 
llvm-svn: 25928
 2006-02-03 05:17:06 +00:00
Chris Lattner f0a2d66d1c Add a note 
llvm-svn: 25921
 2006-02-03 01:49:49 +00:00
Chris Lattner 9b178ce225 update a note 
llvm-svn: 25918
 2006-02-02 23:50:22 +00:00
Chris Lattner 9dd7df7ee7 new example 
llvm-svn: 25903
 2006-02-02 07:37:11 +00:00
Nate Begeman cd018525f8 Update the README 
llvm-svn: 25902
 2006-02-02 07:27:56 +00:00
Chris Lattner a983beab37 add a note 
llvm-svn: 25876
 2006-02-01 17:54:23 +00:00
Nate Begeman 7e7f439f85 Fix some of the stuff in the PPC README file, and clean up legalization 
of the SELECT_CC, BR_CC, and BRTWOWAY_CC nodes.

llvm-svn: 25875
 2006-02-01 07:19:44 +00:00
Chris Lattner a0527473ac another testcase. 
llvm-svn: 25862
 2006-02-01 00:28:12 +00:00
Chris Lattner b0fe138b65 example nate pointed out 
llvm-svn: 25841
 2006-01-31 07:16:34 +00:00
Chris Lattner a9bfca8d1e add the 'lucas' optimization 
llvm-svn: 25830
 2006-01-31 02:55:28 +00:00
Chris Lattner 0c7b4666a3 add a note about how we should implement this FIXME from the legalizer: 
// FIXME: revisit this when we have some kind of mechanism by which targets
    // can decided legality of vector constants, of which there may be very
    // many.

llvm-svn: 25733
 2006-01-28 05:40:47 +00:00
Nate Begeman 6c82262289 Add a couple more things to the readme. 
llvm-svn: 25724
 2006-01-28 01:22:10 +00:00
Chris Lattner c3c27032d0 add a note 
llvm-svn: 25439
 2006-01-19 02:09:38 +00:00
Chris Lattner 7c76290038 add notes from my *other* email acct. 
llvm-svn: 25362
 2006-01-16 17:58:54 +00:00
Chris Lattner b2eacf48aa transfer some notes from my email to somewhere useful. 
llvm-svn: 25361
 2006-01-16 17:53:00 +00:00
Nate Begeman f2b38dbdc7 Remove some redundant stuff out of the readme. 
llvm-svn: 25308
 2006-01-14 01:24:22 +00:00
Nate Begeman 9aea6e4691 Fix one of the things in the todo file, and get a bit closer to folding 
constant offsets from statics into the address arithmetic.

llvm-svn: 24999
 2005-12-24 01:00:15 +00:00
Chris Lattner ffe3542726 move some random notes out of my email into someplace useful 
llvm-svn: 24956
 2005-12-22 17:19:28 +00:00
Chris Lattner 29e6c3dbf9 Add another important case we miss 
llvm-svn: 24639
 2005-12-08 07:13:28 +00:00
Chris Lattner 5aba6ae3b3 Enable global address legalization, fixing a todo and allowing the removal 
of some code.  This exposes the implicit load from the stubs to the DAG, allowing
them to be optimized by the dag combiner.  It also moves darwin specific stuff
out of the isel into the legalizer, and allows more to be moved to the .td file.

llvm-svn: 24397
 2005-11-17 18:26:56 +00:00
Chris Lattner 75fe59c4ea add a case Nate sent me 
llvm-svn: 24195
 2005-11-05 08:57:56 +00:00
Chris Lattner e507a15184 This is implemented 
llvm-svn: 24107
 2005-10-30 06:42:12 +00:00
Nate Begeman 00cea9b2e0 New case to handle someday 
llvm-svn: 24075
 2005-10-28 23:26:57 +00:00