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294 Commits

Author SHA1 Message Date
Reid Spencer 7e80b0b31e 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 f054003ba7 new bad case 
llvm-svn: 31156
 2006-10-24 16:12:47 +00:00
Chris Lattner 3cbd1604f8 add a note about a general improvement to the code generator 
llvm-svn: 30642
 2006-09-28 06:01:17 +00:00
Chris Lattner f11327daab more notes 
llvm-svn: 30598
 2006-09-25 17:12:14 +00:00
Chris Lattner b94df039c0 item done 
llvm-svn: 30483
 2006-09-19 06:19:03 +00:00
Chris Lattner 4a13d3b391 This is closer to what we really want. 
llvm-svn: 30451
 2006-09-18 04:54:35 +00:00
Chris Lattner f7e3478745 add a note noticed through source inspection 
llvm-svn: 30418
 2006-09-16 23:57:51 +00:00
Chris Lattner c9dc375d3e add a nate note 
llvm-svn: 30399
 2006-09-15 20:31:36 +00:00
Chris Lattner ac40a81253 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 fb6bc15d5d Owen implemented this. 
llvm-svn: 29863
 2006-08-24 23:03:33 +00:00
Chris Lattner a5d4587296 Add a note 
llvm-svn: 28572
 2006-05-30 21:29:15 +00:00
Chris Lattner 80b0a70911 Add a note 
llvm-svn: 28424
 2006-05-21 03:57:07 +00:00
Chris Lattner 29d7bded45 Add a note 
llvm-svn: 28402
 2006-05-19 21:01:38 +00:00
Chris Lattner 240f846495 Move a target-independent note out of the X86 readme. 
llvm-svn: 28398
 2006-05-19 20:45:08 +00:00
Chris Lattner 4cda95b32f add a note 
llvm-svn: 28384
 2006-05-18 18:26:13 +00:00
Chris Lattner d1c3a067ee add a note 
llvm-svn: 27907
 2006-04-20 18:49:28 +00:00
Chris Lattner 7a29cf3c7f New note 
llvm-svn: 27337
 2006-04-02 01:47:20 +00:00
Chris Lattner 0baebb11bf ADd a note 
llvm-svn: 27324
 2006-04-01 04:08:29 +00:00
Evan Cheng dc1161cf53 An entry about packed type alignments. 
llvm-svn: 27321
 2006-03-31 22:35:14 +00:00
Chris Lattner 0affd76182 add a note 
llvm-svn: 27076
 2006-03-24 19:59:17 +00:00
Chris Lattner e24cf9dfa1 add a note 
llvm-svn: 26950
 2006-03-22 07:33:46 +00:00
Evan Cheng 0a03f789c2 Remind us of exit value substitution 
llvm-svn: 26862
 2006-03-19 06:09:23 +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
Chris Lattner 5271a1f9b5 add a note 
llvm-svn: 26762
 2006-03-14 19:31:24 +00:00
Chris Lattner 30402be175 transformation implemented 
llvm-svn: 26754
 2006-03-14 06:57:34 +00:00
Evan Cheng 60f495100a Update 
llvm-svn: 26741
 2006-03-13 23:19:10 +00:00
Chris Lattner fe4c7fb7ae remove two implemented items 
llvm-svn: 26728
 2006-03-13 06:52:22 +00:00
Chris Lattner 4e56b686f1 add an example 
llvm-svn: 26709
 2006-03-11 20:20:40 +00:00
Chris Lattner 003f633036 add a note 
llvm-svn: 26708
 2006-03-11 20:17:08 +00:00
Chris Lattner f136299635 add a note 
llvm-svn: 26661
 2006-03-09 20:13:21 +00:00
Chris Lattner bccb0e07f0 add a note 
llvm-svn: 26583
 2006-03-07 02:46:26 +00:00
Chris Lattner 5032c32d30 add a note 
llvm-svn: 26549
 2006-03-05 20:00:08 +00:00
Chris Lattner 8d8b4cf63d Implemented. 
llvm-svn: 26536
 2006-03-04 23:33:44 +00:00
Chris Lattner c9a318d8fa Add a note 
llvm-svn: 26523
 2006-03-04 08:44:51 +00:00
Chris Lattner e43e5c0697 add a note 
llvm-svn: 26513
 2006-03-04 01:19:34 +00:00
Chris Lattner 9067500e2e add a note 
llvm-svn: 26472
 2006-03-02 22:34:38 +00:00
Chris Lattner 0a08f44704 missed optzn 
llvm-svn: 26299
 2006-02-21 18:29:44 +00:00
Evan Cheng 76a7775ce1 Remove an entry. 
llvm-svn: 26222
 2006-02-15 22:14:34 +00:00
Chris Lattner 6afb5587da new test 
llvm-svn: 26217
 2006-02-15 19:52:06 +00:00
Chris Lattner 8467e5d6af This xform isn't safe 
llvm-svn: 26007
 2006-02-05 08:26:16 +00:00
Chris Lattner 4b8fcc229f some stuff is done 
llvm-svn: 26004
 2006-02-05 07:54:37 +00:00
Chris Lattner d079dbb9b0 another case Nate came up with 
llvm-svn: 25943
 2006-02-03 22:05:41 +00:00
Chris Lattner 277462e20f add a note 
llvm-svn: 25942
 2006-02-03 21:25:23 +00:00
Chris Lattner d1aaee03ce target independent notes 
llvm-svn: 25929
 2006-02-03 06:21:43 +00:00