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Code Issues Projects Releases Wiki Activity
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232 Commits

Author SHA1 Message Date
Chris Lattner
fb0e19072c new note 
llvm-svn: 30286
 2006-09-13 04:19:50 +00:00
Chris Lattner
56e461c7d2 new note 
llvm-svn: 30285
 2006-09-13 03:54:54 +00:00
Chris Lattner
806ef17e5b Compile X > -1 -> text X,X; js dest 
This implements CodeGen/X86/jump_sign.ll.

llvm-svn: 30283
 2006-09-13 03:22:10 +00:00
Chris Lattner
67fe605123 add a note 
llvm-svn: 30271
 2006-09-12 06:36:01 +00:00
Chris Lattner
525974551b Testcase noticed from PR906 
llvm-svn: 30269
 2006-09-11 23:00:56 +00:00
Chris Lattner
e7cd7508ed add compilable testcase 
llvm-svn: 30268
 2006-09-11 22:57:51 +00:00
Evan Cheng
78f5fae07f Updates. 
llvm-svn: 30245
 2006-09-11 05:35:17 +00:00
Evan Cheng
64720acdb9 Update README file. 
llvm-svn: 30244
 2006-09-11 05:25:15 +00:00
Chris Lattner
7476a6c710 add a note 
llvm-svn: 29722
 2006-08-16 02:47:44 +00:00
Nate Begeman
7d4b0d0b9b Update the readme to remove duplicate information and clarify the loop 
problem.

llvm-svn: 29468
 2006-08-02 05:31:20 +00:00
Evan Cheng
27c53dc36e New entry. 
llvm-svn: 29310
 2006-07-26 21:49:52 +00:00
Evan Cheng
56e0c65937 Done. 
llvm-svn: 29262
 2006-07-21 23:07:23 +00:00
Evan Cheng
6e440c39da New entry. 
llvm-svn: 29215
 2006-07-19 21:29:30 +00:00
Evan Cheng
793f3d97ff Misc. new entry. 
llvm-svn: 29202
 2006-07-19 06:06:24 +00:00
Evan Cheng
e3b8db6dda A new entry. 
llvm-svn: 28848
 2006-06-17 00:45:49 +00:00
Chris Lattner
4c7ba81f59 Add a note that Nate noticed. 
llvm-svn: 28808
 2006-06-15 21:33:31 +00:00
Evan Cheng
8d9b7650f1 A few new entries. 
llvm-svn: 28683
 2006-06-04 09:08:00 +00:00
Evan Cheng
ced05ab1b4 Add a note about integer multiplication by constants. 
llvm-svn: 28551
 2006-05-30 07:37:37 +00:00
Evan Cheng
1891844780 Some new entries about truncate / anyext 
llvm-svn: 28548
 2006-05-30 06:23:50 +00:00
Evan Cheng
c25e986c9f A isel deficiency. 
llvm-svn: 28427
 2006-05-22 05:54:49 +00:00
Evan Cheng
bb6733743e A new entry 
llvm-svn: 28419
 2006-05-20 07:44:53 +00:00
Chris Lattner
6ab04ce0cd Add a note 
llvm-svn: 28401
 2006-05-19 20:55:31 +00:00
Chris Lattner
49a93a0ec9 Split the SSE readme items out into their own README. 
llvm-svn: 28400
 2006-05-19 20:51:43 +00:00
Chris Lattner
95b6519d62 Split FP-stack notes out of the main readme. Next up: splitting out SSE. 
llvm-svn: 28399
 2006-05-19 20:45:52 +00:00
Chris Lattner
c29ff5f8b1 Particularly ugly code. 
llvm-svn: 28397
 2006-05-19 19:41:33 +00:00
Chris Lattner
c0653d237a add a note 
llvm-svn: 28383
 2006-05-18 17:38:16 +00:00
Evan Cheng
3034b633f6 Another entry 
llvm-svn: 28370
 2006-05-17 21:20:51 +00:00
Evan Cheng
b84a79a336 Another entry 
llvm-svn: 28356
 2006-05-17 19:05:31 +00:00
Evan Cheng
1f5c530d04 Remove a completed entry. 
llvm-svn: 28199
 2006-05-09 06:54:05 +00:00
Chris Lattner
5609ba71a5 Another bad case I noticed 
llvm-svn: 28177
 2006-05-08 21:39:45 +00:00
Chris Lattner
4f3345f1f1 add a note 
llvm-svn: 28176
 2006-05-08 21:24:21 +00:00
Nate Begeman
d9438bedaa Remove some stuff from the README 
llvm-svn: 28063
 2006-05-02 22:43:31 +00:00
Chris Lattner
53275cb616 Add a note 
llvm-svn: 27998
 2006-04-27 21:40:57 +00:00
Evan Cheng
efbc112b7c A couple of new entries. 
llvm-svn: 27993
 2006-04-27 08:31:33 +00:00
Evan Cheng
b7a2ab21a5 Add a new entry. 
llvm-svn: 27963
 2006-04-24 23:30:10 +00:00
Evan Cheng
f74b046b06 Remove a completed entry. 
llvm-svn: 27958
 2006-04-24 17:38:16 +00:00
Chris Lattner
86f1e02800 Add a note 
llvm-svn: 27954
 2006-04-23 19:47:09 +00:00
Chris Lattner
d81dcf9da4 fix thinko 
llvm-svn: 27935
 2006-04-21 21:05:22 +00:00
Chris Lattner
84a811d57e add some low-prio notes 
llvm-svn: 27934
 2006-04-21 21:03:21 +00:00
Chris Lattner
99c7c3ad2f Add a note. 
llvm-svn: 27827
 2006-04-19 05:53:27 +00:00
Evan Cheng
6be2e4b419 Correct comments 
llvm-svn: 27790
 2006-04-18 03:45:01 +00:00
Evan Cheng
13a5022494 Another entry 
llvm-svn: 27786
 2006-04-18 01:22:57 +00:00
Evan Cheng
2f9011cd87 Another entry. 
llvm-svn: 27784
 2006-04-18 00:21:01 +00:00
Evan Cheng
32e5d4f6bc Silly bug 
llvm-svn: 27719
 2006-04-15 05:37:34 +00:00
Evan Cheng
cc83472e2d New entry 
llvm-svn: 27697
 2006-04-14 07:24:04 +00:00
Evan Cheng
d6cad69ef4 Update 
llvm-svn: 27643
 2006-04-13 05:09:45 +00:00
Evan Cheng
2c2d734efd 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
2879e2222e add a note 
llvm-svn: 27567
 2006-04-10 21:51:03 +00:00
Evan Cheng
34dd1c80dd Remove an entry that is now done. 
llvm-svn: 27565
 2006-04-10 21:42:57 +00:00
Evan Cheng
255a990223 Correct an entry 
llvm-svn: 27563
 2006-04-10 21:41:39 +00:00
Evan Cheng
5326565791 New entries 
llvm-svn: 27555
 2006-04-10 07:22:03 +00:00
Evan Cheng
0dd7987d36 Keep track of an Mac OS X / x86 ABI bug. 
llvm-svn: 27496
 2006-04-07 21:19:53 +00:00
Evan Cheng
e248d318a8 New entries. 
llvm-svn: 27473
 2006-04-06 23:21:24 +00:00
Evan Cheng
dcf423ad74 An entry about comi / ucomi intrinsics. 
llvm-svn: 27445
 2006-04-05 23:46:04 +00:00
Evan Cheng
6e8b924416 Another entry about shuffles. 
llvm-svn: 27245
 2006-03-29 03:03:46 +00:00
Evan Cheng
a96380ba3f Update 
llvm-svn: 27220
 2006-03-28 06:55:45 +00:00
Evan Cheng
ca067debe3 Added a couple of entries about movhps and movlhps. 
llvm-svn: 27212
 2006-03-28 02:49:12 +00:00
Evan Cheng
9accac09cd All unpack cases are now being handled. 
llvm-svn: 27211
 2006-03-28 02:44:05 +00:00
Nate Begeman
507e293848 Readme note 
llvm-svn: 27152
 2006-03-26 19:19:27 +00:00
Chris Lattner
ace2d0d227 Gabor points out that we can't spell. :) 
llvm-svn: 27049
 2006-03-24 07:12:19 +00:00
Evan Cheng
8507228441 All v2f64 shuffle cases can be handled. 
llvm-svn: 27044
 2006-03-24 06:40:32 +00:00
Evan Cheng
184c4b937e A new entry 
llvm-svn: 27039
 2006-03-24 02:57:03 +00:00
Evan Cheng
a56ed39464 Combine 2 entries 
llvm-svn: 26921
 2006-03-21 07:18:26 +00:00
Evan Cheng
f8d8d45ff8 Add a note about x86 register coallescing 
llvm-svn: 26920
 2006-03-21 07:12:57 +00:00
Chris Lattner
9a87d3e90d add a note with a testcase 
llvm-svn: 26877
 2006-03-19 22:27:41 +00:00
Evan Cheng
98b79bf7ec Remember which tests are hurt by LSR. 
llvm-svn: 26860
 2006-03-19 06:08:11 +00:00
Evan Cheng
33055a8aba A new entry. 
llvm-svn: 26810
 2006-03-16 22:44:22 +00:00
Chris Lattner
57acce1443 a couple of miscellaneous things. 
llvm-svn: 26625
 2006-03-09 01:39:46 +00:00
Chris Lattner
55fbd49ca9 add a note for something evan noticed 
llvm-svn: 26539
 2006-03-05 01:15:18 +00:00
Evan Cheng
65b5c2c680 Add an entry 
llvm-svn: 26520
 2006-03-04 07:49:50 +00:00
Evan Cheng
e5ae39621b Another entry. 
llvm-svn: 26430
 2006-02-28 23:38:49 +00:00
Evan Cheng
8a6f03bb0e Updates. 
llvm-svn: 26375
 2006-02-25 10:04:07 +00:00
Chris Lattner
23b302ce83 add a small and simple case. 
llvm-svn: 26326
 2006-02-23 05:17:43 +00:00
Evan Cheng
a85c267431 A couple of new entries. 
llvm-svn: 26325
 2006-02-23 02:50:21 +00:00
Evan Cheng
a0f9da472a Some updates 
llvm-svn: 26292
 2006-02-20 19:58:27 +00:00
Chris Lattner
13dd179299 add note about div by power of 2 
llvm-svn: 26253
 2006-02-17 04:20:13 +00:00
Evan Cheng
c7b32ddecc 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
3d0135afdc Remove the entry about using movapd for SSE reg-reg moves. 
llvm-svn: 26245
 2006-02-17 00:00:58 +00:00
Evan Cheng
53c574c6fa Remove an entry. 
llvm-svn: 26197
 2006-02-15 01:56:48 +00:00
Chris Lattner
17226f6adc new note 
llvm-svn: 26186
 2006-02-14 22:19:54 +00:00
Evan Cheng
030631350f Add a entry. 
llvm-svn: 26173
 2006-02-14 08:25:32 +00:00
Evan Cheng
53c409e694 Remove a completed entry; add a new entry about fisttp op 
llvm-svn: 26105
 2006-02-10 05:48:15 +00:00
Chris Lattner
9cc9988279 add a simple optimization 
llvm-svn: 26062
 2006-02-08 17:47:22 +00:00
Chris Lattner
560429667e more email -> README moving 
llvm-svn: 26054
 2006-02-08 07:12:07 +00:00
Chris Lattner
a4b6082b7a Add some random notes, not high-prio 
llvm-svn: 26052
 2006-02-08 06:52:06 +00:00
Evan Cheng
a7d31e53e8 Remind myself to add PIC and static asm printer support. 
llvm-svn: 26037
 2006-02-07 08:35:44 +00:00
Chris Lattner
172cf85d48 remove some target-indep and implemented notes 
llvm-svn: 25930
 2006-02-03 06:22:11 +00:00
Chris Lattner
ebf20d47ac more notes 
llvm-svn: 25908
 2006-02-02 19:43:28 +00:00
Chris Lattner
8a8c101989 add a note, I have no idea how important this is. 
llvm-svn: 25907
 2006-02-02 19:16:34 +00:00
Chris Lattner
32762f6c01 implemented, testcase here: test/Regression/CodeGen/X86/compare-add.ll 
llvm-svn: 25899
 2006-02-02 06:36:48 +00:00
Evan Cheng
94b1244255 Update. 
llvm-svn: 25896
 2006-02-02 02:40:17 +00:00
Chris Lattner
26451058cb more notes 
llvm-svn: 25890
 2006-02-01 23:38:08 +00:00
Chris Lattner
8004ba8a2b another note 
llvm-svn: 25883
 2006-02-01 21:44:48 +00:00
Chris Lattner
d2fb7bf108 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
6523b2de76 Remove another entry. 
llvm-svn: 25871
 2006-02-01 06:08:48 +00:00
Chris Lattner
0e7d439232 Another regression from the pattern isel 
llvm-svn: 25867
 2006-02-01 01:44:25 +00:00
Evan Cheng
19b80eebb2 Remove an item. It's done. 
llvm-svn: 25860
 2006-02-01 00:15:53 +00:00
Chris Lattner
bb410d0b63 turning these into 'adds' would require extra copies 
llvm-svn: 25858
 2006-01-31 22:59:46 +00:00
Evan Cheng
6d9aae44f9 Remove entries on fabs and fneg. These are done. 
llvm-svn: 25856
 2006-01-31 22:26:21 +00:00
Chris Lattner
9b89cad951 Another high-prio selection performance bug 
llvm-svn: 25828
 2006-01-31 02:10:06 +00:00
Chris Lattner
899754747c more mumbling 
llvm-svn: 25826
 2006-01-31 00:45:37 +00:00
Chris Lattner
76a85bd047 add some notes 
llvm-svn: 25825
 2006-01-31 00:20:38 +00:00
Chris Lattner
9bb580ac23 add another note 
llvm-svn: 25789
 2006-01-29 09:46:06 +00:00
Chris Lattner
7ec490d6d6 add some performance notes from looking at sgefa 
llvm-svn: 25788
 2006-01-29 09:42:20 +00:00
Chris Lattner
7a775bff1e add a high-priority SSE issue from sgefa 
llvm-svn: 25787
 2006-01-29 09:14:47 +00:00
Chris Lattner
7048df99cd add a missed optimization 
llvm-svn: 25786
 2006-01-29 09:08:15 +00:00
Reid Spencer
2669d4cb81 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
442713efd7 A bit of wisdom from Chris on the last entry. 
llvm-svn: 25715
 2006-01-27 22:54:32 +00:00
Evan Cheng
51c1d32061 Added notes about a x86 isel deficiency. 
llvm-svn: 25706
 2006-01-27 22:11:01 +00:00
Chris Lattner
62ab456f6b transfer some notes from my email to somewhere useful. 
llvm-svn: 25361
 2006-01-16 17:53:00 +00:00
Evan Cheng
e43fbe0d93 Minor update. 
llvm-svn: 25263
 2006-01-13 01:20:42 +00:00
Evan Cheng
794a7cf6fe Fix sint_to_fp (fild*) support. 
llvm-svn: 25257
 2006-01-12 22:54:21 +00:00
Evan Cheng
de142995a1 Added an idea about any_extend for performance tuning. 
llvm-svn: 24763
 2005-12-17 06:54:43 +00:00
Evan Cheng
19550821d1 Added some isel ideas. 
llvm-svn: 24757
 2005-12-17 01:25:19 +00:00
Chris Lattner
a2a404ff3a add a note 
llvm-svn: 24572
 2005-12-02 00:11:20 +00:00
Chris Lattner
0edc0fd222 Add a missed optimization 
llvm-svn: 24495
 2005-11-28 04:52:39 +00:00
Chris Lattner
bdcb2a99b6 add a note that Nate mentioned last week 
llvm-svn: 23898
 2005-10-23 21:44:59 +00:00
Chris Lattner
11c044d7cf Put some of my random notes somewhere public 
llvm-svn: 23897
 2005-10-23 19:52:42 +00:00
Chris Lattner
c51b272047 This file is obsolete 
llvm-svn: 14005
 2004-06-04 00:15:21 +00:00
Chris Lattner
5862899c44 minor wording change 
llvm-svn: 13694
 2004-05-23 21:22:55 +00:00
Alkis Evlogimenos
e186d8eb2f Add instruction name description. 
llvm-svn: 11998
 2004-02-29 18:44:03 +00:00
Chris Lattner
3392d316e9 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
4fff8d3bd8 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
595d18ac2a 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
79a56ff370 Remove more obsolete comments 
llvm-svn: 7455
 2003-07-31 17:56:05 +00:00
Misha Brukman
f451b1f332 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
9b01e3a012 Add speculation 
llvm-svn: 5226
 2003-01-13 00:35:08 +00:00
Chris Lattner
29f4c79239 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
8d3bef2e1b Sigh. Fixed some speling. 
llvm-svn: 4775
 2002-11-20 00:56:42 +00:00
Chris Lattner
5e21732045 Add information about memory index representation 
llvm-svn: 4712
 2002-11-17 20:33:26 +00:00
Chris Lattner
47bbeeac43 Add lots more info 
llvm-svn: 4450
 2002-10-30 06:04:46 +00:00
Chris Lattner
d25a097994 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