Commit Graph

286 Commits

Author SHA1 Message Date
Evan Cheng
2c3ae37213 All "integer" logical ops (pand, por, pxor) are now promoted to v2i64.
Clean up and fix various logical ops issues.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27633 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-12 21:21:57 +00:00
Chris Lattner
a956db2a63 add a note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27567 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-10 21:51:03 +00:00
Evan Cheng
c6d5ba6521 Remove an entry that is now done.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27565 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-10 21:42:57 +00:00
Evan Cheng
adf29e4e3f Correct an entry
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27563 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-10 21:41:39 +00:00
Evan Cheng
c58a5ee2fd New entries
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27555 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-10 07:22:03 +00:00
Evan Cheng
9984eb4bb8 Keep track of an Mac OS X / x86 ABI bug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27496 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-07 21:19:53 +00:00
Evan Cheng
573cb7c506 New entries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27473 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-06 23:21:24 +00:00
Evan Cheng
8af5ef9c64 An entry about comi / ucomi intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27445 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-05 23:46:04 +00:00
Evan Cheng
c999c745c0 Another entry about shuffles.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27245 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-29 03:03:46 +00:00
Evan Cheng
6a6d354d4c Update
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27220 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-28 06:55:45 +00:00
Evan Cheng
4c4a2e2a0d Added a couple of entries about movhps and movlhps.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27212 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-28 02:49:12 +00:00
Evan Cheng
000e4dd54b All unpack cases are now being handled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27211 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-28 02:44:05 +00:00
Nate Begeman
c02e5a8668 Readme note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27152 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-26 19:19:27 +00:00
Chris Lattner
9d5da1d96c Gabor points out that we can't spell. :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27049 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-24 07:12:19 +00:00
Evan Cheng
5217a5b58c All v2f64 shuffle cases can be handled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27044 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-24 06:40:32 +00:00
Evan Cheng
b20aaceb52 A new entry
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27039 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-24 02:57:03 +00:00
Evan Cheng
7ab54047e7 Combine 2 entries
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26921 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-21 07:18:26 +00:00
Evan Cheng
50a6d8c835 Add a note about x86 register coallescing
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26920 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-21 07:12:57 +00:00
Chris Lattner
8bcf926277 add a note with a testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26877 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 22:27:41 +00:00
Evan Cheng
0def9c3d7d Remember which tests are hurt by LSR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26860 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-19 06:08:11 +00:00
Evan Cheng
2771d21c50 A new entry.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26810 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-16 22:44:22 +00:00
Chris Lattner
181b9c6a2a a couple of miscellaneous things.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26625 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-09 01:39:46 +00:00
Chris Lattner
a4929df2da add a note for something evan noticed
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26539 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-05 01:15:18 +00:00
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