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296 Commits

Author SHA1 Message Date
Chris Lattner f110527a29 Add a note 
llvm-svn: 27954
 2006-04-23 19:47:09 +00:00
Chris Lattner 3e62d4b289 fix thinko 
llvm-svn: 27935
 2006-04-21 21:05:22 +00:00
Chris Lattner e1f9ab7d53 add some low-prio notes 
llvm-svn: 27934
 2006-04-21 21:03:21 +00:00
Chris Lattner bfab82817a Add a note. 
llvm-svn: 27827
 2006-04-19 05:53:27 +00:00
Evan Cheng 4d36a36900 Correct comments 
llvm-svn: 27790
 2006-04-18 03:45:01 +00:00
Evan Cheng 0ef233509b Another entry 
llvm-svn: 27786
 2006-04-18 01:22:57 +00:00
Evan Cheng e008bd3d27 Another entry. 
llvm-svn: 27784
 2006-04-18 00:21:01 +00:00
Evan Cheng 6222cf2a36 Silly bug 
llvm-svn: 27719
 2006-04-15 05:37:34 +00:00
Evan Cheng 8d76f3922b New entry 
llvm-svn: 27697
 2006-04-14 07:24:04 +00:00
Evan Cheng d2eb662415 Update 
llvm-svn: 27643
 2006-04-13 05:09:45 +00:00
Evan Cheng 92232307d0 All "integer" logical ops (pand, por, pxor) are now promoted to v2i64. 
Clean up and fix various logical ops issues.

llvm-svn: 27633
 2006-04-12 21:21:57 +00:00
Chris Lattner d99f57c1e1 add a note 
llvm-svn: 27567
 2006-04-10 21:51:03 +00:00
Evan Cheng 051de9a82b Remove an entry that is now done. 
llvm-svn: 27565
 2006-04-10 21:42:57 +00:00
Evan Cheng 664fcba5fa Correct an entry 
llvm-svn: 27563
 2006-04-10 21:41:39 +00:00
Evan Cheng 014849e121 New entries 
llvm-svn: 27555
 2006-04-10 07:22:03 +00:00
Evan Cheng 748e573ce5 Keep track of an Mac OS X / x86 ABI bug. 
llvm-svn: 27496
 2006-04-07 21:19:53 +00:00
Evan Cheng acf8b3c828 New entries. 
llvm-svn: 27473
 2006-04-06 23:21:24 +00:00
Evan Cheng dddb688a40 An entry about comi / ucomi intrinsics. 
llvm-svn: 27445
 2006-04-05 23:46:04 +00:00
Evan Cheng 3a1c4e75de Another entry about shuffles. 
llvm-svn: 27245
 2006-03-29 03:03:46 +00:00
Evan Cheng dc57ae0711 Update 
llvm-svn: 27220
 2006-03-28 06:55:45 +00:00
Evan Cheng 08b473c619 Added a couple of entries about movhps and movlhps. 
llvm-svn: 27212
 2006-03-28 02:49:12 +00:00
Evan Cheng 3765fadef6 All unpack cases are now being handled. 
llvm-svn: 27211
 2006-03-28 02:44:05 +00:00
Nate Begeman 68cc9d4540 Readme note 
llvm-svn: 27152
 2006-03-26 19:19:27 +00:00
Chris Lattner f5efddf80b Gabor points out that we can't spell. :) 
llvm-svn: 27049
 2006-03-24 07:12:19 +00:00
Evan Cheng a91d8a5b43 All v2f64 shuffle cases can be handled. 
llvm-svn: 27044
 2006-03-24 06:40:32 +00:00
Evan Cheng 6afb3c2de7 A new entry 
llvm-svn: 27039
 2006-03-24 02:57:03 +00:00
Evan Cheng 2d819f5fa4 Combine 2 entries 
llvm-svn: 26921
 2006-03-21 07:18:26 +00:00
Evan Cheng aeebc96099 Add a note about x86 register coallescing 
llvm-svn: 26920
 2006-03-21 07:12:57 +00:00
Chris Lattner d16f6fdd49 add a note with a testcase 
llvm-svn: 26877
 2006-03-19 22:27:41 +00:00
Evan Cheng 66a9c0dea7 Remember which tests are hurt by LSR. 
llvm-svn: 26860
 2006-03-19 06:08:11 +00:00
Evan Cheng c11fcceec5 A new entry. 
llvm-svn: 26810
 2006-03-16 22:44:22 +00:00
Chris Lattner 920e661e50 a couple of miscellaneous things. 
llvm-svn: 26625
 2006-03-09 01:39:46 +00:00
Chris Lattner c2dd7aae71 add a note for something evan noticed 
llvm-svn: 26539
 2006-03-05 01:15:18 +00:00
Evan Cheng c66fd44541 Add an entry 
llvm-svn: 26520
 2006-03-04 07:49:50 +00:00
Evan Cheng 0e69f45b07 Another entry. 
llvm-svn: 26430
 2006-02-28 23:38:49 +00:00
Evan Cheng 1c557bfeb5 Updates. 
llvm-svn: 26375
 2006-02-25 10:04:07 +00:00
Chris Lattner 2bacf981bf add a small and simple case. 
llvm-svn: 26326
 2006-02-23 05:17:43 +00:00
Evan Cheng f4448cee66 A couple of new entries. 
llvm-svn: 26325
 2006-02-23 02:50:21 +00:00
Evan Cheng 4547400ae2 Some updates 
llvm-svn: 26292
 2006-02-20 19:58:27 +00:00
Chris Lattner 67c21b6c46 add note about div by power of 2 
llvm-svn: 26253
 2006-02-17 04:20:13 +00:00
Evan Cheng b590d3a72b Remind ourselves to revisit the "pxor vs. xorps/xorpd to clear XMM registers" 
issue. Need to do more experiments.

llvm-svn: 26247
 2006-02-17 00:04:28 +00:00
Evan Cheng db1dbbe8d6 Remove the entry about using movapd for SSE reg-reg moves. 
llvm-svn: 26245
 2006-02-17 00:00:58 +00:00
Evan Cheng 7a6c21ac26 Remove an entry. 
llvm-svn: 26197
 2006-02-15 01:56:48 +00:00
Chris Lattner e3c793a71a new note 
llvm-svn: 26186
 2006-02-14 22:19:54 +00:00
Evan Cheng f976d79f78 Add a entry. 
llvm-svn: 26173
 2006-02-14 08:25:32 +00:00
Evan Cheng 907be3e24c Remove a completed entry; add a new entry about fisttp op 
llvm-svn: 26105
 2006-02-10 05:48:15 +00:00
Chris Lattner b4fc050f0f add a simple optimization 
llvm-svn: 26062
 2006-02-08 17:47:22 +00:00
Chris Lattner b7e074ab9b more email -> README moving 
llvm-svn: 26054
 2006-02-08 07:12:07 +00:00
Chris Lattner 45bb34b715 Add some random notes, not high-prio 
llvm-svn: 26052
 2006-02-08 06:52:06 +00:00
Evan Cheng 227e469c25 Remind myself to add PIC and static asm printer support. 
llvm-svn: 26037
 2006-02-07 08:35:44 +00:00
Chris Lattner a23b04acdb remove some target-indep and implemented notes 
llvm-svn: 25930
 2006-02-03 06:22:11 +00:00
Chris Lattner d8208c3665 more notes 
llvm-svn: 25908
 2006-02-02 19:43:28 +00:00
Chris Lattner d3f033e8e0 add a note, I have no idea how important this is. 
llvm-svn: 25907
 2006-02-02 19:16:34 +00:00
Chris Lattner 4b2ec8af23 implemented, testcase here: test/Regression/CodeGen/X86/compare-add.ll 
llvm-svn: 25899
 2006-02-02 06:36:48 +00:00
Evan Cheng d3908f79cb Update. 
llvm-svn: 25896
 2006-02-02 02:40:17 +00:00
Chris Lattner 6132a87cf4 more notes 
llvm-svn: 25890
 2006-02-01 23:38:08 +00:00
Chris Lattner 2f7650f9dc another note 
llvm-svn: 25883
 2006-02-01 21:44:48 +00:00
Chris Lattner 3da1bb520e add a note, I'll take care of this after nate commits his big patch 
llvm-svn: 25873
 2006-02-01 06:40:32 +00:00
Evan Cheng c404b5748c Remove another entry. 
llvm-svn: 25871
 2006-02-01 06:08:48 +00:00
Chris Lattner b0a76b0981 Another regression from the pattern isel 
llvm-svn: 25867
 2006-02-01 01:44:25 +00:00
Evan Cheng bc1fcd074e Remove an item. It's done. 
llvm-svn: 25860
 2006-02-01 00:15:53 +00:00
Chris Lattner 64387c3e9c turning these into 'adds' would require extra copies 
llvm-svn: 25858
 2006-01-31 22:59:46 +00:00
Evan Cheng a91eb48547 Remove entries on fabs and fneg. These are done. 
llvm-svn: 25856
 2006-01-31 22:26:21 +00:00
Chris Lattner d916e78b0a Another high-prio selection performance bug 
llvm-svn: 25828
 2006-01-31 02:10:06 +00:00
Chris Lattner 2b70a6f853 more mumbling 
llvm-svn: 25826
 2006-01-31 00:45:37 +00:00
Chris Lattner b521361fb9 add some notes 
llvm-svn: 25825
 2006-01-31 00:20:38 +00:00
Chris Lattner 3c6a950653 add another note 
llvm-svn: 25789
 2006-01-29 09:46:06 +00:00
Chris Lattner dabee1f655 add some performance notes from looking at sgefa 
llvm-svn: 25788
 2006-01-29 09:42:20 +00:00
Chris Lattner 7c7cbde0e5 add a high-priority SSE issue from sgefa 
llvm-svn: 25787
 2006-01-29 09:14:47 +00:00
Chris Lattner 5a7a22c9dd add a missed optimization 
llvm-svn: 25786
 2006-01-29 09:08:15 +00:00
Reid Spencer 0c05a2c99c Add a note about lowering llvm.memset, llvm.memcpy, and llvm.memmove to a 
few stores under certain conditions.

llvm-svn: 25777
 2006-01-29 06:48:25 +00:00
Evan Cheng 18243826fd A bit of wisdom from Chris on the last entry. 
llvm-svn: 25715
 2006-01-27 22:54:32 +00:00
Evan Cheng 9857d075b5 Added notes about a x86 isel deficiency. 
llvm-svn: 25706
 2006-01-27 22:11:01 +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
Evan Cheng f00374e4a8 Minor update. 
llvm-svn: 25263
 2006-01-13 01:20:42 +00:00
Evan Cheng 6305e50ee1 Fix sint_to_fp (fild*) support. 
llvm-svn: 25257
 2006-01-12 22:54:21 +00:00
Evan Cheng 7087cd275b Added an idea about any_extend for performance tuning. 
llvm-svn: 24763
 2005-12-17 06:54:43 +00:00
Evan Cheng 6b76009393 Added some isel ideas. 
llvm-svn: 24757
 2005-12-17 01:25:19 +00:00
Chris Lattner 986cb40953 add a note 
llvm-svn: 24572
 2005-12-02 00:11:20 +00:00
Chris Lattner 820c94e467 Add a missed optimization 
llvm-svn: 24495
 2005-11-28 04:52:39 +00:00
Chris Lattner b54070745e add a note that Nate mentioned last week 
llvm-svn: 23898
 2005-10-23 21:44:59 +00:00
Chris Lattner 2e81fba9cd Put some of my random notes somewhere public 
llvm-svn: 23897
 2005-10-23 19:52:42 +00:00
Chris Lattner add9f29fdf This file is obsolete 
llvm-svn: 14005
 2004-06-04 00:15:21 +00:00
Chris Lattner 66911019e7 minor wording change 
llvm-svn: 13694
 2004-05-23 21:22:55 +00:00
Alkis Evlogimenos 9a4653edfa Add instruction name description. 
llvm-svn: 11998
 2004-02-29 18:44:03 +00:00
Chris Lattner 5fc6ae2baf Wow this is out of date. When we have _real_ code generator documentation, 
this should be folded into it.

llvm-svn: 11705
 2004-02-22 05:53:54 +00:00
Brian Gaeke ed474bb329 X86 static backend: smacked 
Function at a time: smacked

Who you gonna call!!!  :-)

llvm-svn: 7826
 2003-08-13 19:02:09 +00:00
Brian Gaeke dd306efa11 Just incorporating some notes I wrote for myself into a place where they won't 
get lost...

llvm-svn: 7798
 2003-08-13 00:30:48 +00:00
Chris Lattner a0e679e299 Remove more obsolete comments 
llvm-svn: 7455
 2003-07-31 17:56:05 +00:00
Misha Brukman d02051b512 Changed pointer to the JIT code to its current location, under LLI. 
llvm-svn: 7454
 2003-07-31 17:50:35 +00:00
Chris Lattner 888a8084b6 Add speculation 
llvm-svn: 5226
 2003-01-13 00:35:08 +00:00
Chris Lattner 7b1ec5ed3a Add a "Lazy Function Resolution in Jello" section 
Remove some todo's

llvm-svn: 4910
 2002-12-04 16:12:54 +00:00
Misha Brukman ade1143692 Sigh. Fixed some speling. 
llvm-svn: 4775
 2002-11-20 00:56:42 +00:00
Chris Lattner 6fd0ef303d Add information about memory index representation 
llvm-svn: 4712
 2002-11-17 20:33:26 +00:00
Chris Lattner 6c34c0baf5 Add lots more info 
llvm-svn: 4450
 2002-10-30 06:04:46 +00:00
Chris Lattner d92fb0058b Initial checkin of X86 backend. 
We can instruction select exactly one instruction 'ret void'.  Wow.

llvm-svn: 4284
 2002-10-25 22:55:53 +00:00