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121 Commits

Author SHA1 Message Date
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