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94 Commits

Author SHA1 Message Date
Chris Lattner
9aafd2b441 Add a note 
llvm-svn: 29139
 2006-07-14 04:07:29 +00:00
Chris Lattner
abaaddc214 Implement Regression/CodeGen/PowerPC/bswap-load-store.ll by folding bswaps 
into i16/i32 load/stores.

llvm-svn: 29089
 2006-07-10 20:56:58 +00:00
Chris Lattner
477732bab9 Add a note about a note 
llvm-svn: 28355
 2006-05-17 19:02:25 +00:00
Nate Begeman
db854c6772 Yet more readme updating 
llvm-svn: 28172
 2006-05-08 20:54:02 +00:00
Nate Begeman
1ff4d8f2fe New note about something bad happening in target independent optimizers 
llvm-svn: 28170
 2006-05-08 20:08:28 +00:00
Nate Begeman
b8fa6337df Proving once again that I am not as smart as the compiler 
llvm-svn: 28169
 2006-05-08 19:09:24 +00:00
Nate Begeman
a706539a72 Fold more shifts into inserts, and update the README 
llvm-svn: 28168
 2006-05-08 17:38:32 +00:00
Nate Begeman
591488077e Update some stuff now that the new rlwimi code has gone in 
llvm-svn: 28162
 2006-05-08 02:52:38 +00:00
Chris Lattner
4978a4f2f4 New note, Nate, please check to see if I'm full of it :) 
llvm-svn: 28118
 2006-05-05 05:36:15 +00:00
Chris Lattner
cec07adf4d add a note, move an altivec todo to the altivec list. 
llvm-svn: 27654
 2006-04-13 16:48:00 +00:00
Chris Lattner
fa82c33ae7 add a note 
llvm-svn: 27360
 2006-04-02 07:20:00 +00:00
Chris Lattner
f1d6a9483f Split out altivec notes into their own README 
llvm-svn: 27168
 2006-03-27 07:04:16 +00:00
Chris Lattner
e199d55073 #include Intrinsics.h into all dag isels 
llvm-svn: 27109
 2006-03-25 06:47:10 +00:00
Chris Lattner
8840036091 add another note 
llvm-svn: 27077
 2006-03-24 20:04:27 +00:00
Chris Lattner
2e5162fa6e add a note 
llvm-svn: 27000
 2006-03-23 21:28:44 +00:00
Chris Lattner
5141ebb2c4 This has been implemented. Tweak it into another note 
llvm-svn: 26944
 2006-03-22 05:33:23 +00:00
Nate Begeman
4bd73df4bd Update readme 
llvm-svn: 26924
 2006-03-21 18:58:20 +00:00
Chris Lattner
9e611a25c7 minor note 
llvm-svn: 26912
 2006-03-21 00:47:09 +00:00
Chris Lattner
ada41aad4d Add a note about the MUL -> FMADD vector bug. 
llvm-svn: 26874
 2006-03-19 22:08:08 +00:00
Chris Lattner
d3910ca755 notes 
llvm-svn: 26856
 2006-03-19 05:33:30 +00:00
Nate Begeman
42736d46b2 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
63c4456867 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
8a756c5171 add a note 
llvm-svn: 26807
 2006-03-16 22:25:55 +00:00
Nate Begeman
cbca1b3d14 Another case we could do better on. 
llvm-svn: 26795
 2006-03-16 18:50:44 +00:00
Chris Lattner
24aa564456 add a note 
llvm-svn: 26605
 2006-03-08 00:25:47 +00:00
Chris Lattner
ae34bbf56b add a note 
llvm-svn: 26585
 2006-03-07 04:42:59 +00:00
Chris Lattner
caec0d887c add a note 
llvm-svn: 26448
 2006-03-01 06:36:20 +00:00
Chris Lattner
137c02aa60 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
6ba976b557 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
866634d77f remove implemented item 
llvm-svn: 26418
 2006-02-28 06:36:04 +00:00
Nate Begeman
56a4dafd8d readme updates 
llvm-svn: 26405
 2006-02-27 22:08:36 +00:00
Chris Lattner
881c8c12ff Move emails from nate into public places 
llvm-svn: 26051
 2006-02-08 06:43:51 +00:00
Chris Lattner
59378e7675 add a note 
llvm-svn: 25984
 2006-02-05 05:27:35 +00:00
Nate Begeman
ba19f3f93c Remove some stuff that now works 
llvm-svn: 25963
 2006-02-04 07:29:35 +00:00
Chris Lattner
393e9d10dd add a note 
llvm-svn: 25944
 2006-02-03 22:06:45 +00:00
Chris Lattner
172cf85d48 remove some target-indep and implemented notes 
llvm-svn: 25930
 2006-02-03 06:22:11 +00:00
Nate Begeman
85f3c9f566 Flesh out a couple of the items in the README 
llvm-svn: 25928
 2006-02-03 05:17:06 +00:00
Chris Lattner
06f54e7cb3 Add a note 
llvm-svn: 25921
 2006-02-03 01:49:49 +00:00
Chris Lattner
66d0341e73 update a note 
llvm-svn: 25918
 2006-02-02 23:50:22 +00:00
Chris Lattner
c434ee61a3 new example 
llvm-svn: 25903
 2006-02-02 07:37:11 +00:00
Nate Begeman
dd4acf9710 Update the README 
llvm-svn: 25902
 2006-02-02 07:27:56 +00:00
Chris Lattner
821f93a659 add a note 
llvm-svn: 25876
 2006-02-01 17:54:23 +00:00
Nate Begeman
0be60963bd 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
c270dd87a9 another testcase. 
llvm-svn: 25862
 2006-02-01 00:28:12 +00:00
Chris Lattner
186b5f0887 example nate pointed out 
llvm-svn: 25841
 2006-01-31 07:16:34 +00:00
Chris Lattner
830b1ad8cf add the 'lucas' optimization 
llvm-svn: 25830
 2006-01-31 02:55:28 +00:00
Chris Lattner
170727421b 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
a46156da35 Add a couple more things to the readme. 
llvm-svn: 25724
 2006-01-28 01:22:10 +00:00
Chris Lattner
60bc56e930 add a note 
llvm-svn: 25439
 2006-01-19 02:09:38 +00:00
Chris Lattner
88572bb5c4 add notes from my *other* email acct. 
llvm-svn: 25362
 2006-01-16 17:58:54 +00:00