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113 Commits

Author SHA1 Message Date
Evan Cheng
f42f516984 Add an entry 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26520 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-04 07:49:50 +00:00
Evan Cheng
aafc1412b1 Another entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26430 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-28 23:38:49 +00:00
Evan Cheng
53f280a30e Updates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26375 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-25 10:04:07 +00:00
Chris Lattner
205065ae0c add a small and simple case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26326 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-23 05:17:43 +00:00
Evan Cheng
3032410f9b A couple of new entries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26325 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-23 02:50:21 +00:00
Evan Cheng
755ee8f9aa Some updates 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26292 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-20 19:58:27 +00:00
Chris Lattner
a648df2871 add note about div by power of 2 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26253 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-17 04:20:13 +00:00
Evan Cheng
7634ac4a9b Remind ourselves to revisit the "pxor vs. xorps/xorpd to clear XMM registers" 
issue. Need to do more experiments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26247 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-17 00:04:28 +00:00
Evan Cheng
dc8acb6420 Remove the entry about using movapd for SSE reg-reg moves. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26245 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-17 00:00:58 +00:00
Evan Cheng
2354f5a46b Remove an entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26197 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-15 01:56:48 +00:00
Chris Lattner
ae302ab9cb new note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26186 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-14 22:19:54 +00:00
Evan Cheng
952b7d6a1e Add a entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26173 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-14 08:25:32 +00:00
Evan Cheng
c57e5c17bc Remove a completed entry; add a new entry about fisttp op 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26105 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-10 05:48:15 +00:00
Chris Lattner
dba382b16a add a simple optimization 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26062 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-08 17:47:22 +00:00
Chris Lattner
cb298907ab more email -> README moving 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26054 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-08 07:12:07 +00:00
Chris Lattner
8f77b73430 Add some random notes, not high-prio 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26052 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-08 06:52:06 +00:00
Evan Cheng
183fff997c Remind myself to add PIC and static asm printer support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26037 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-07 08:35:44 +00:00
Chris Lattner
33c1dab0bd remove some target-indep and implemented notes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25930 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-03 06:22:11 +00:00
Chris Lattner
d395d0984f more notes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25908 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-02 19:43:28 +00:00
Chris Lattner
9acddcd07e add a note, I have no idea how important this is. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25907 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-02 19:16:34 +00:00
Chris Lattner
1bac941019 implemented, testcase here: test/Regression/CodeGen/X86/compare-add.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25899 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-02 06:36:48 +00:00
Evan Cheng
8b6e4e6e3e Update. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25896 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-02 02:40:17 +00:00
Chris Lattner
4d7db40ab1 more notes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25890 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-01 23:38:08 +00:00
Chris Lattner
3e2b94a171 another note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25883 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-01 21:44:48 +00:00
Chris Lattner
1f7c6302be add a note, I'll take care of this after nate commits his big patch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25873 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-01 06:40:32 +00:00
Evan Cheng
214a79423f Remove another entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25871 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-01 06:08:48 +00:00
Chris Lattner
3e1d5e5ea3 Another regression from the pattern isel 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25867 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-01 01:44:25 +00:00
Evan Cheng
4ccf4c0d0b Remove an item. It's done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25860 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-01 00:15:53 +00:00
Chris Lattner
bb1d528aa6 turning these into 'adds' would require extra copies 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25858 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 22:59:46 +00:00
Evan Cheng
598463fde4 Remove entries on fabs and fneg. These are done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25856 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 22:26:21 +00:00
Chris Lattner
8e38ae60c7 Another high-prio selection performance bug 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25828 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 02:10:06 +00:00
Chris Lattner
594086d494 more mumbling 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25826 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 00:45:37 +00:00
Chris Lattner
bdde465bcf add some notes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25825 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-31 00:20:38 +00:00
Chris Lattner
c7097afe51 add another note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25789 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 09:46:06 +00:00
Chris Lattner
5164a313e0 add some performance notes from looking at sgefa 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25788 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 09:42:20 +00:00
Chris Lattner
6a28456e18 add a high-priority SSE issue from sgefa 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25787 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 09:14:47 +00:00
Chris Lattner
b638cd89db add a missed optimization 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25786 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 09:08:15 +00:00
Reid Spencer
2ce5b263ba Add a note about lowering llvm.memset, llvm.memcpy, and llvm.memmove to a 
few stores under certain conditions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25777 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-29 06:48:25 +00:00
Evan Cheng
d41e9e5e7a A bit of wisdom from Chris on the last entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25715 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 22:54:32 +00:00
Evan Cheng
e826a018b9 Added notes about a x86 isel deficiency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25706 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-27 22:11:01 +00:00
Chris Lattner
1db4b4f5c4 transfer some notes from my email to somewhere useful. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25361 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-16 17:53:00 +00:00
Evan Cheng
e08c270623 Minor update. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25263 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-13 01:20:42 +00:00
Evan Cheng
a3195e8643 Fix sint_to_fp (fild*) support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25257 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-12 22:54:21 +00:00
Evan Cheng
98abbfb2ef Added an idea about any_extend for performance tuning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24763 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-17 06:54:43 +00:00
Evan Cheng
8dee8cca3a Added some isel ideas. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24757 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-17 01:25:19 +00:00
Chris Lattner
865874c88a add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24572 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-02 00:11:20 +00:00
Chris Lattner
1e4ed93599 Add a missed optimization 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24495 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-28 04:52:39 +00:00
Chris Lattner
ffff6175ef add a note that Nate mentioned last week 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23898 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-23 21:44:59 +00:00
Chris Lattner
1171ff4fd7 Put some of my random notes somewhere public 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23897 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-10-23 19:52:42 +00:00
Chris Lattner
994d7ae649 This file is obsolete 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14005 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-04 00:15:21 +00:00
Chris Lattner
bbdbf30238 minor wording change 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13694 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-05-23 21:22:55 +00:00
Alkis Evlogimenos
96c9b8b496 Add instruction name description. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11998 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-29 18:44:03 +00:00
Chris Lattner
14c6ef7ca1 Wow this is out of date. When we have _real_ code generator documentation, 
this should be folded into it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11705 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-22 05:53:54 +00:00
Brian Gaeke
3e3c805a82 X86 static backend: smacked 
Function at a time: smacked

Who you gonna call!!!  :-)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7826 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-13 19:02:09 +00:00
Brian Gaeke
99c27d7686 Just incorporating some notes I wrote for myself into a place where they won't 
get lost...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7798 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-08-13 00:30:48 +00:00
Chris Lattner
b08f3dfe50 Remove more obsolete comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7455 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-31 17:56:05 +00:00
Misha Brukman
f31dc9841c Changed pointer to the JIT code to its current location, under LLI. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7454 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-07-31 17:50:35 +00:00
Chris Lattner
70445403c3 Add speculation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5226 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-01-13 00:35:08 +00:00
Chris Lattner
504c411e81 Add a "Lazy Function Resolution in Jello" section 
Remove some todo's


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4910 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-12-04 16:12:54 +00:00
Misha Brukman
90ed18c201 Sigh. Fixed some speling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4775 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-11-20 00:56:42 +00:00
Chris Lattner
1411ba31ba Add information about memory index representation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4712 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-11-17 20:33:26 +00:00
Chris Lattner
cc0b0c59e8 Add lots more info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4450 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-30 06:04:46 +00:00
Chris Lattner
726140821f Initial checkin of X86 backend. 
We can instruction select exactly one instruction 'ret void'.  Wow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4284 91177308-0d34-0410-b5e6-96231b3b80d8
 2002-10-25 22:55:53 +00:00