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4774 Commits

Author SHA1 Message Date
Chris Lattner ec9d0bc3ec Fix a couple of bugs that broke the alpha tester build 
llvm-svn: 26722
 2006-03-13 05:23:59 +00:00
Chris Lattner 4fbb612685 Handle cracked instructions in dispatch group formation. 
llvm-svn: 26721
 2006-03-13 05:20:04 +00:00
Chris Lattner 7579cfb1a0 Mark instructions that are cracked by the PPC970 decoder as such. 
llvm-svn: 26720
 2006-03-13 05:15:10 +00:00
Chris Lattner 51348c5f27 Several big changes: 
1. Use flags on the instructions in the .td file to indicate the PPC970 unit
   type instead of a table in the .cpp file.  Much cleaner.
2. Change the hazard recognizer to build d-groups according to the actual
   algorithm used, not my flawed understanding of it.
3. Model "must be in the first slot" and "must be the only instr in a group"
   accurately.

llvm-svn: 26719
 2006-03-12 09:13:49 +00:00
Chris Lattner d03132a409 blr is a branch too 
llvm-svn: 26710
 2006-03-11 21:49:49 +00:00
Chris Lattner 4e56b686f1 add an example 
llvm-svn: 26709
 2006-03-11 20:20:40 +00:00
Chris Lattner 003f633036 add a note 
llvm-svn: 26708
 2006-03-11 20:17:08 +00:00
Chris Lattner c2447e8b59 teach the JIT to encode vector registers 
llvm-svn: 26697
 2006-03-10 20:19:50 +00:00
Evan Cheng 306c13a8fb Add option -enable-x86-lsr to enable x86 loop strength reduction pass. 
llvm-svn: 26665
 2006-03-09 21:51:28 +00:00
Chris Lattner f136299635 add a note 
llvm-svn: 26661
 2006-03-09 20:13:21 +00:00
Andrew Lenharth 43e569c95f these are copies too 
llvm-svn: 26653
 2006-03-09 18:18:51 +00:00
Chris Lattner 7e7dccd3ab remove some now-dead code 
llvm-svn: 26652
 2006-03-09 18:07:49 +00:00
Andrew Lenharth 70236fc12f fcopysign for mixed mode 
llvm-svn: 26651
 2006-03-09 17:56:33 +00:00
Andrew Lenharth ebfd94fa1d relax fcopysign 
llvm-svn: 26649
 2006-03-09 17:47:22 +00:00
Andrew Lenharth 4a87e7d9a3 alpha and llvm have different oppinions on which arg is the sign bit 
llvm-svn: 26647
 2006-03-09 17:41:50 +00:00
Andrew Lenharth 16b96d2cb4 Alpha Scheduling classes 
llvm-svn: 26643
 2006-03-09 17:16:45 +00:00
Andrew Lenharth ed7a293b44 fcopysign and get rid of dsnode cruft. custom PA runtimes make this better in some senses 
llvm-svn: 26641
 2006-03-09 14:58:25 +00:00
Andrew Lenharth b8a06a7c6c fcopysign support 
llvm-svn: 26640
 2006-03-09 14:57:36 +00:00
Chris Lattner e363fdf318 Add support for 'special' llvm globals like debug info and static ctors/dtors. 
llvm-svn: 26628
 2006-03-09 06:14:35 +00:00
Chris Lattner 920e661e50 a couple of miscellaneous things. 
llvm-svn: 26625
 2006-03-09 01:39:46 +00:00
Jim Laskey 8f0a95f664 Add #line support for CBE. 
llvm-svn: 26621
 2006-03-08 19:31:15 +00:00
Duraid Madina 5005b01c20 doo de doo 
llvm-svn: 26614
 2006-03-08 06:18:46 +00:00
Chris Lattner 543832d39d Change the interface for getting a target HazardRecognizer to be more clean. 
llvm-svn: 26608
 2006-03-08 04:25:59 +00:00
Chris Lattner a8dd636192 add a note 
llvm-svn: 26605
 2006-03-08 00:25:47 +00:00
Evan Cheng 70b25efa57 X86ISD::REP_STOS and X86ISD::REP_MOVS now produces a flag. 
llvm-svn: 26604
 2006-03-07 23:34:23 +00:00
Evan Cheng adc7093fc1 Use rep/stosl; and Count 0x3; rep/stosb for memset with 4 byte aligned dest. 
and variable value.
Similarly for memcpy.

llvm-svn: 26603
 2006-03-07 23:29:39 +00:00
Chris Lattner 207291fd1a Two things: 
1. Don't emit debug info, or other llvm.metadata to the .cbe.c file.
2. Mark static ctors/dtors as such, so that bugpoint works on C++ code
   compiled with the new CFE.

llvm-svn: 26602
 2006-03-07 22:58:23 +00:00
Jim Laskey 313570fb17 Use "llvm.metadata" section for debug globals. Filter out these globals in the 
asm printer.

llvm-svn: 26599
 2006-03-07 22:00:35 +00:00
Chris Lattner 907e13c742 add another missing store. 
llvm-svn: 26595
 2006-03-07 16:26:48 +00:00
Chris Lattner 8c73d80b08 add a couple more load/store instrs, add a newline to the end of file. 
llvm-svn: 26594
 2006-03-07 16:19:46 +00:00
Nate Begeman 3e3219cc0a This kinda sorta implements "things that have to lead a dispatch group". 
llvm-svn: 26591
 2006-03-07 08:30:27 +00:00
Chris Lattner 675567f77c add some new instructions to the classifier. With this, we correctly insert 
a nop into Freebench/neural, which speeds it up from 136->129s (~5.4%).

llvm-svn: 26590
 2006-03-07 07:14:55 +00:00
Chris Lattner 05ad128dca add some comments that describe what we model 
llvm-svn: 26588
 2006-03-07 06:44:19 +00:00
Chris Lattner 2cab13573c Implement a very very simple hazard recognizer for LSU rejects and ctr set/read 
flushes

llvm-svn: 26587
 2006-03-07 06:32:48 +00:00
Chris Lattner 883cefc656 add a note 
llvm-svn: 26585
 2006-03-07 04:42:59 +00:00
Chris Lattner bccb0e07f0 add a note 
llvm-svn: 26583
 2006-03-07 02:46:26 +00:00
Evan Cheng a4a4ceb478 - Emit subsections_via_symbols for Darwin. 
- Conditionalize Dwarf debugging output (Darwin only for now).

llvm-svn: 26582
 2006-03-07 02:23:26 +00:00
Evan Cheng 30d7b70b73 Enable Dwarf debugging info. 
llvm-svn: 26581
 2006-03-07 02:02:57 +00:00
Chris Lattner ea79d9fd73 implement TII::insertNoop 
llvm-svn: 26562
 2006-03-05 23:49:55 +00:00
Chris Lattner 5032c32d30 add a note 
llvm-svn: 26549
 2006-03-05 20:00:08 +00:00
Chris Lattner c726a5c31f Do not fold (add (shl x, c1), (shl c2, c1)) -> (shl (add x, c2), c1), 
we want to canonicalize the other way.

llvm-svn: 26547
 2006-03-05 19:52:57 +00:00
Chris Lattner 9c7f50376a Copysign needs to be expanded everywhere. Note that Alpha and IA64 should 
implement copysign as a native op if they have it.

llvm-svn: 26541
 2006-03-05 05:08:37 +00:00
Chris Lattner c2dd7aae71 add a note for something evan noticed 
llvm-svn: 26539
 2006-03-05 01:15:18 +00:00
Chris Lattner 8d8b4cf63d Implemented. 
llvm-svn: 26536
 2006-03-04 23:33:44 +00:00
Chris Lattner c9a318d8fa Add a note 
llvm-svn: 26523
 2006-03-04 08:44:51 +00:00
Evan Cheng c66fd44541 Add an entry 
llvm-svn: 26520
 2006-03-04 07:49:50 +00:00
Evan Cheng 6dc73297c3 MEMSET / MEMCPY lowering bugs: we can't issue a single WORD / DWORD version of 
rep/stos and rep/mov if the count is not a constant. We could do
  rep/stosl; and $count, 3; rep/stosb
For now, I will lower them to memset / memcpy calls. We will revisit this after
a little bit experiment.

Also need to take care of the trailing bytes even if the count is a constant.
Since the max. number of trailing bytes are 3, we will simply issue loads /
stores.

llvm-svn: 26517
 2006-03-04 02:48:56 +00:00
Chris Lattner e43e5c0697 add a note 
llvm-svn: 26513
 2006-03-04 01:19:34 +00:00
Evan Cheng 084a102b17 Typo 
llvm-svn: 26512
 2006-03-04 01:12:00 +00:00
Evan Cheng a7fb285c60 Number of NodeTypes now exceeds 128. 
llvm-svn: 26503
 2006-03-03 06:58:59 +00:00