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Author SHA1 Message Date
Chris Lattner
763317de1b Add the simple PPC integer constraints 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26027 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-07 00:47:13 +00:00
Evan Cheng
21ad392ee6 Hoist all SDOperand declarations within a Select_{opcode}() to the top level 
to reduce stack memory usage. This is intended to work around the gcc bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26026 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-07 00:37:41 +00:00
Chris Lattner
a3b8c57b9e Eliminate the printCallOperand method, using a 'call' modifier on 
printOperand instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26025 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 23:41:19 +00:00
Chris Lattner
04cadb3684 Add support for modifier strings in machine instr descriptions. This allows 
us to avoid creating lots of "Operand" types with different printers, instead
we can fold several together and use modifiers.  For example, we can now use:

${target:call} to say that the operand should be printed like a 'call' operand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26024 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 23:40:48 +00:00
Chris Lattner
b03b080a82 Simplify the variant handling code, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26023 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 22:43:28 +00:00
Chris Lattner
815ef5b3dd Change prototype 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26022 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 22:18:19 +00:00
Chris Lattner
a36cb0a6b1 Add support for modifier characters to operand printers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26021 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 22:17:23 +00:00
Chris Lattner
f483e58212 Change the prototype of PrintAsmOperand 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26020 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 22:16:41 +00:00
Jim Laskey
f60c2414ab Goodbye nasty macro. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26019 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 21:54:05 +00:00
Jim Laskey
c2f0c8def7 Edit requests from Sabre. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26018 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 19:12:02 +00:00
Andrew Lenharth
054e2a758b see what this allignment thing will do 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26017 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 17:15:17 +00:00
Jim Laskey
86cbdba522 Changing model for the construction of debug information. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26016 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 15:33:21 +00:00
Jim Laskey
984cb3773f We seem to have settled to __DWARF for section name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26015 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 14:16:15 +00:00
Evan Cheng
7cd19d038f At the end of isel, select a replacement node for each handle that does not 
have one. This can happen if a load's real uses are dead (i.e. they do not
have uses themselves).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26014 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 08:12:55 +00:00
Evan Cheng
024524fe9b Name change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26013 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 06:03:35 +00:00
Evan Cheng
5e35168b11 - Update load folding checks to match those auto-generated by tblgen. 
- Manually select SDOperand's returned by TryFoldLoad which make up the
  load address.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26012 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-06 06:02:33 +00:00
Evan Cheng
0a83ed506c Handle HANDLENODE: just return itself. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26011 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 08:46:14 +00:00
Evan Cheng
7564e0b46d Complex pattern isel code shouldn't select nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26010 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 08:45:01 +00:00
Chris Lattner
c26017a4ae Fix the Sparc backend with Evan's recent tblgen changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26009 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 08:35:50 +00:00
Chris Lattner
cb0dfba9e1 SparcV8 -> Sparc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26008 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 08:30:45 +00:00
Chris Lattner
33872c99be This xform isn't safe 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26007 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 08:26:16 +00:00
Nate Begeman
be71442292 Back out previous commit, it isn't safe. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26006 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 08:23:00 +00:00
Nate Begeman
bab9239d05 fold c1 << (x + c2) into (c1 << c2) << x. fix a warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26005 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 08:07:24 +00:00
Chris Lattner
176f0416d1 some stuff is done 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26004 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 07:54:37 +00:00
Chris Lattner
5f3b0eeddb Turn A % (C << N), where C is 2^k, into A & ((C << N)-1) [urem only]. 
Turn A / (C1 << N), where C1 is "1<<C2" into A >> (N+C2) [udiv only].

Tested with: rem.ll:test5, div.ll:test10


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26003 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 07:54:04 +00:00
Chris Lattner
fee906b482 new testcases 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26002 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 07:52:47 +00:00
Nate Begeman
c031e33b68 Handle urem by shifted powers of 2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26001 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 07:36:48 +00:00
Nate Begeman
fb5e4bdded handle combining A / (B << N) into A >>u (log2(B)+N) when B is a power of 2 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26000 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 07:20:23 +00:00
Evan Cheng
900c826bc7 Use SelectRoot() as the entry to any tblgen based isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25998 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 06:51:51 +00:00
Evan Cheng
ba2f0a9ee5 Use SelectRoot() as entry of any tblgen based isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25997 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 06:46:41 +00:00
Chris Lattner
23c5b3c5ce Encourage use of the V8 ABI over the V9 ABI. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25996 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 06:44:17 +00:00
Evan Cheng
e41bf82107 Allow more loads to be folded which were previously prevented from happening 
due to ordering issue. i.e. they were selected for chain use first.
Now at load select time, check if it is being selected for a chain use and if
it has only a single real use. If so, return a HANDLENODE (with the load as
its operand) in its place and record it.
When it is folded or the load is selected for a real use, the isel records it
as the replacement for the HANDLENODE. The replacement is done when all nodes
are selected.
This scheme exposed a couple of problems where cycles can happen. (See comments
in EmitMatchCode() for descriptions of the problems and their workaround /
solutions.) These problems have been resolved with a small compile time
penality.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25995 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 06:43:12 +00:00
Chris Lattner
029e844994 This document is out of date. :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25994 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 06:40:12 +00:00
Chris Lattner
58504a6aa0 V8 -> Sparc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25993 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 06:39:36 +00:00
Chris Lattner
c6aaf5acf9 Remove the SparcV8 backend. It has been renamed to be the Sparc backend. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25992 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 06:33:29 +00:00
Chris Lattner
e7c839ed5a remove V8 reference 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25991 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 06:32:59 +00:00
Evan Cheng
4ee6211258 * Added SDNode::isOnlyUse(). 
* Fix hasNUsesOfValue(), it should be const.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25990 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 06:29:23 +00:00
Chris Lattner
35409221bc SparcV8 -> Sparc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25989 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 06:26:43 +00:00
Chris Lattner
762236c04f SparcV8 -> Sparc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25988 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 05:56:51 +00:00
Chris Lattner
e1070166e7 These were moved to ../SPARC 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25987 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 05:53:48 +00:00
Chris Lattner
7ce1bbf05d move V8 testcases here 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25986 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 05:52:55 +00:00
Chris Lattner
7c90f73a1b Rename SPARC V8 target to be the LLVM SPARC target. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25985 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 05:50:24 +00:00
Chris Lattner
213845367c add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25984 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 05:27:35 +00:00
Evan Cheng
7dd281b3e5 Re-commit the last bit of change that was backed out. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25983 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 05:25:07 +00:00
Evan Cheng
2216d8ad2f Re-committing the last bit of change. It shouldn't break PPC this time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25982 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 05:22:18 +00:00
Chris Lattner
519ea2abc9 make sure that global doubles are aligned to 8 bytes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25981 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 01:46:49 +00:00
Chris Lattner
ff805b50f8 Use getPreferredAlignmentLog. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25980 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 01:45:04 +00:00
Chris Lattner
7d8d5a522f Use the asmprinter to find out what the preferred alignment of a global is. 
This patch speeds up 172.mgrid from 31.81s to 11.39s on darwin/ppc.
Many many thanks to Nate for tracking down the root cause of the issue.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25979 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 01:30:45 +00:00
Chris Lattner
4d57e0cd69 Implement the AsmPrinter::getPreferredAlignmentLog method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25978 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 01:29:18 +00:00
Chris Lattner
28adf292d9 add a new method, getPreferredAlignmentLog. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25977 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 01:24:06 +00:00