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f4f28f415d
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48 Commits

Author SHA1 Message Date
Nick Lewycky
f4f28f415d Cute example from Chris Lattner. 
llvm-svn: 31696
 2006-11-13 00:23:28 +00:00
Chris Lattner
48d2b0af37 add a note about viterbi 
llvm-svn: 31612
 2006-11-10 00:23:26 +00:00
Chris Lattner
c3e6822514 add a note 
llvm-svn: 31477
 2006-11-06 21:26:49 +00:00
Chris Lattner
2cb1391e09 add a note 
llvm-svn: 31429
 2006-11-03 22:27:39 +00:00
Reid Spencer
6833ffe8b8 For PR950: 
Make necessary changes to support DIV -> [SUF]Div. This changes llvm to
have three division instructions: signed, unsigned, floating point. The
bytecode and assembler are bacwards compatible, however.

llvm-svn: 31195
 2006-10-26 06:15:43 +00:00
Chris Lattner
efee605648 new bad case 
llvm-svn: 31156
 2006-10-24 16:12:47 +00:00
Chris Lattner
6dc95b7b26 add a note about a general improvement to the code generator 
llvm-svn: 30642
 2006-09-28 06:01:17 +00:00
Chris Lattner
2281c3f6ca more notes 
llvm-svn: 30598
 2006-09-25 17:12:14 +00:00
Chris Lattner
2b076f26b7 item done 
llvm-svn: 30483
 2006-09-19 06:19:03 +00:00
Chris Lattner
a1349de598 This is closer to what we really want. 
llvm-svn: 30451
 2006-09-18 04:54:35 +00:00
Chris Lattner
563785bc55 add a note noticed through source inspection 
llvm-svn: 30418
 2006-09-16 23:57:51 +00:00
Chris Lattner
bf14089e11 add a nate note 
llvm-svn: 30399
 2006-09-15 20:31:36 +00:00
Chris Lattner
b3ab5fac28 We compile this into: 
_swap_16:
        slwi r2, r3, 24
        rlwimi r2, r3, 8, 8, 15
        srwi r3, r2, 16
        blr

now.

llvm-svn: 29864
 2006-08-24 23:06:02 +00:00
Chris Lattner
b8292ee9e7 Owen implemented this. 
llvm-svn: 29863
 2006-08-24 23:03:33 +00:00
Chris Lattner
a5c50baaf5 Add a note 
llvm-svn: 28572
 2006-05-30 21:29:15 +00:00
Chris Lattner
9d6103087a Add a note 
llvm-svn: 28424
 2006-05-21 03:57:07 +00:00
Chris Lattner
ec58aa014f Add a note 
llvm-svn: 28402
 2006-05-19 21:01:38 +00:00
Chris Lattner
9c8f608215 Move a target-independent note out of the X86 readme. 
llvm-svn: 28398
 2006-05-19 20:45:08 +00:00
Chris Lattner
9c7cab7478 add a note 
llvm-svn: 28384
 2006-05-18 18:26:13 +00:00
Chris Lattner
2c1c3896ed add a note 
llvm-svn: 27907
 2006-04-20 18:49:28 +00:00
Chris Lattner
2a24d68439 New note 
llvm-svn: 27337
 2006-04-02 01:47:20 +00:00
Chris Lattner
894231e63e ADd a note 
llvm-svn: 27324
 2006-04-01 04:08:29 +00:00
Evan Cheng
403cd8f787 An entry about packed type alignments. 
llvm-svn: 27321
 2006-03-31 22:35:14 +00:00
Chris Lattner
045f6bf0ef add a note 
llvm-svn: 27076
 2006-03-24 19:59:17 +00:00
Chris Lattner
64be951e06 add a note 
llvm-svn: 26950
 2006-03-22 07:33:46 +00:00
Evan Cheng
9f00d55227 Remind us of exit value substitution 
llvm-svn: 26862
 2006-03-19 06:09:23 +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
Chris Lattner
9df7eb4071 add a note 
llvm-svn: 26762
 2006-03-14 19:31:24 +00:00
Chris Lattner
80c5fabe4e transformation implemented 
llvm-svn: 26754
 2006-03-14 06:57:34 +00:00
Evan Cheng
99e87e9147 Update 
llvm-svn: 26741
 2006-03-13 23:19:10 +00:00
Chris Lattner
ea1453c3dc remove two implemented items 
llvm-svn: 26728
 2006-03-13 06:52:22 +00:00
Chris Lattner
916761949b add an example 
llvm-svn: 26709
 2006-03-11 20:20:40 +00:00
Chris Lattner
115b1be710 add a note 
llvm-svn: 26708
 2006-03-11 20:17:08 +00:00
Chris Lattner
c08825d684 add a note 
llvm-svn: 26661
 2006-03-09 20:13:21 +00:00
Chris Lattner
174768dde0 add a note 
llvm-svn: 26583
 2006-03-07 02:46:26 +00:00
Chris Lattner
4957693551 add a note 
llvm-svn: 26549
 2006-03-05 20:00:08 +00:00
Chris Lattner
7d2423c91f Implemented. 
llvm-svn: 26536
 2006-03-04 23:33:44 +00:00
Chris Lattner
35dbbc5676 Add a note 
llvm-svn: 26523
 2006-03-04 08:44:51 +00:00
Chris Lattner
de8c7d8ae2 add a note 
llvm-svn: 26513
 2006-03-04 01:19:34 +00:00
Chris Lattner
9a522f068e add a note 
llvm-svn: 26472
 2006-03-02 22:34:38 +00:00
Chris Lattner
5d8ecbe2e5 missed optzn 
llvm-svn: 26299
 2006-02-21 18:29:44 +00:00
Evan Cheng
93b4f4fa67 Remove an entry. 
llvm-svn: 26222
 2006-02-15 22:14:34 +00:00
Chris Lattner
d720ec9449 new test 
llvm-svn: 26217
 2006-02-15 19:52:06 +00:00
Chris Lattner
da908d19fd This xform isn't safe 
llvm-svn: 26007
 2006-02-05 08:26:16 +00:00
Chris Lattner
9898b81e27 some stuff is done 
llvm-svn: 26004
 2006-02-05 07:54:37 +00:00
Chris Lattner
2b82e66f7c another case Nate came up with 
llvm-svn: 25943
 2006-02-03 22:05:41 +00:00
Chris Lattner
6c39bcf741 add a note 
llvm-svn: 25942
 2006-02-03 21:25:23 +00:00
Chris Lattner
9f8d39543f target independent notes 
llvm-svn: 25929
 2006-02-03 06:21:43 +00:00