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Author SHA1 Message Date
Duraid Madina
f868d1777b fix stack corruption! Previously, 16-byte whole-FP-register stores were 
being treated as needing only 8 bytes (though they were 16 byte aligned.)

This should fix a bunch of tests - anyone have any comments, though?

  - in Target.td , SpillSize and SpillAlignment seem dead - is this what
    Size and Alignment do now?
  - in CodeGenRegisters.h/CodeGenTarget.cpp , DeclaredSpillSize and
    DeclaredSpillAlignment seem dead.
  - there are a bunch of comments here and there that don't clearly
    distinguish between 'size' and 'spillsize' etc. hmm.

llvm-svn: 25644
 2006-01-26 09:45:03 +00:00
Duraid Madina
13335846a8 some hoovering 
llvm-svn: 25643
 2006-01-26 09:08:31 +00:00
Chris Lattner
0204d70798 Rest of subtarget support, remove references to ppc 
llvm-svn: 25642
 2006-01-26 07:22:22 +00:00
Chris Lattner
eb424bfbca Add trivial subtarget support 
llvm-svn: 25641
 2006-01-26 06:51:21 +00:00
Andrew Lenharth
23afe2f288 minor renaming 
llvm-svn: 25640
 2006-01-26 03:24:15 +00:00
Andrew Lenharth
ad88ba7c98 allow R28 to be used for frame calculations without entirely removing it from circulation 
llvm-svn: 25639
 2006-01-26 03:22:07 +00:00
Evan Cheng
7a77e3f80c Work around some x86 Darwin assembler bugs 
llvm-svn: 25638
 2006-01-26 02:27:43 +00:00
Chris Lattner
c88610d074 add method for constraint parsing 
llvm-svn: 25637
 2006-01-26 02:21:59 +00:00
Chris Lattner
b94207514a add methods for constraint parsing 
llvm-svn: 25636
 2006-01-26 02:21:42 +00:00
Evan Cheng
37d647c562 Add a FIXME comment. 
llvm-svn: 25635
 2006-01-26 02:13:31 +00:00
Evan Cheng
bf29b90240 When trying to fold X86::SETCC into a Select, make a copy if it has more than 
one use. This allows more CMOV instructions.

llvm-svn: 25634
 2006-01-26 02:13:10 +00:00
Chris Lattner
66f10c8957 teach the cloner to handle inline asms 
llvm-svn: 25633
 2006-01-26 01:55:22 +00:00
Chris Lattner
a3d00d1780 Allow use of isa<InlineAsm>(X) without #including InlineAsm.h 
llvm-svn: 25632
 2006-01-26 01:54:21 +00:00
Chris Lattner
a0c517622a parse and verify the constraint string. 
llvm-svn: 25631
 2006-01-26 00:48:33 +00:00
Evan Cheng
fcd2a73349 Clean up some code; improve efficiency; and fixed a potential bug involving 
chain successors.

llvm-svn: 25630
 2006-01-26 00:30:29 +00:00
Evan Cheng
224e14daa1 Remove the uses of STATUS flag register. Rely on node property SDNPInFlag, 
SDNPOutFlag, and SDNPOptInFlag instead.

llvm-svn: 25629
 2006-01-26 00:29:36 +00:00
Evan Cheng
cf49c6411a Duh. 
llvm-svn: 25628
 2006-01-26 00:28:35 +00:00
Evan Cheng
849d522805 Incoming (and optional) flag bugs. They may be embedded inside a inner node of 
a pattern. Also, nodes which take incoming flag should not be folded if it has
more than one use.

llvm-svn: 25627
 2006-01-26 00:22:25 +00:00
Chris Lattner
e930f6bafb Make sure the only user of InlineAsm's are direct calls. 
llvm-svn: 25626
 2006-01-26 00:08:45 +00:00
Chris Lattner
e9e727b2bc new tests for actual inline asm expressions 
llvm-svn: 25625
 2006-01-25 23:49:54 +00:00
Chris Lattner
071cd81c93 document the syntax of inline asm 
llvm-svn: 25624
 2006-01-25 23:47:57 +00:00
Andrew Lenharth
084c16fe59 oops 
llvm-svn: 25623
 2006-01-25 23:33:32 +00:00
Chris Lattner
5eef733a66 update the bytecode format guide for the encoding of inline asm. 
llvm-svn: 25622
 2006-01-25 23:31:53 +00:00
Chris Lattner
db805c3206 add bc reader/writer support for inline asm 
llvm-svn: 25621
 2006-01-25 23:08:15 +00:00
Andrew Lenharth
01e5b9e862 forgot one 
llvm-svn: 25620
 2006-01-25 22:28:07 +00:00
Chris Lattner
a4f17ed13e regenerate 
llvm-svn: 25619
 2006-01-25 22:27:16 +00:00
Chris Lattner
ac76b3c549 Parse inline asm objects 
llvm-svn: 25618
 2006-01-25 22:26:43 +00:00
Chris Lattner
b31becf499 Print InlineAsm objects 
llvm-svn: 25617
 2006-01-25 22:26:05 +00:00
Chris Lattner
81aef013ac add another method 
llvm-svn: 25616
 2006-01-25 22:10:35 +00:00
Andrew Lenharth
d932b627f7 make things compile again 
llvm-svn: 25614
 2006-01-25 21:54:38 +00:00
Reid Spencer
f45272f413 Don't break the optimized build (by incorrect placement of #endif) 
llvm-svn: 25613
 2006-01-25 21:49:13 +00:00
Chris Lattner
aff32aa901 add some useful accessors :) 
llvm-svn: 25612
 2006-01-25 19:58:26 +00:00
Chris Lattner
d36993d81d Change inline asms to be uniqued like constants, not embedded in a Module. 
llvm-svn: 25610
 2006-01-25 18:57:27 +00:00
Chris Lattner
91a347233d initialize an instance var, apparently I forgot to commit this long ago 
llvm-svn: 25609
 2006-01-25 18:57:15 +00:00
Evan Cheng
168b8c5b29 No need to keep track of top and bottom nodes in a group since the vector is 
already in order. Thanks Jim for pointing it out.

llvm-svn: 25608
 2006-01-25 18:54:24 +00:00
Evan Cheng
7da6daadc7 Set SchedulingForLatency to be the default scheduling preference for all. 
llvm-svn: 25607
 2006-01-25 18:52:42 +00:00
Nate Begeman
c29fac7fce First part of bug 680: 
Remove TLI.LowerVA* and replace it with SDNodes that are lowered the same
way as everything else.

llvm-svn: 25606
 2006-01-25 18:21:52 +00:00
Jeff Cohen
fdbce069c5 Make it even more portable. 
llvm-svn: 25605
 2006-01-25 17:18:50 +00:00
Jeff Cohen
7d0e421a42 Fix VC++ compilation error. 
llvm-svn: 25604
 2006-01-25 17:17:49 +00:00
Evan Cheng
c368fb710f Default scheduling preference is SchedulingForLatency. 
llvm-svn: 25603
 2006-01-25 09:15:54 +00:00
Evan Cheng
46f85ddd84 X86 prefer scheduling for reduced register pressure. 
llvm-svn: 25602
 2006-01-25 09:15:17 +00:00
Evan Cheng
0296933dbe Bottom up register usage reducing list scheduler. 
llvm-svn: 25601
 2006-01-25 09:14:32 +00:00
Evan Cheng
d95c4530e7 Keep track of bottom / top element of a set of flagged nodes. 
llvm-svn: 25600
 2006-01-25 09:13:41 +00:00
Evan Cheng
69d30b1c55 If scheduler choice is the default (-sched=default), use target scheduling 
preference to determine which scheduler to use. SchedulingForLatency ==
Breadth first; SchedulingForRegPressure == bottom up register reduction list
scheduler.

llvm-svn: 25599
 2006-01-25 09:12:57 +00:00
Evan Cheng
f4b53efbb2 Add a enum to specify target scheduling preference: SchedulingForLatency or 
SchedulingForRegPressure. Added corresponding methods to set / get the value.

llvm-svn: 25598
 2006-01-25 09:09:02 +00:00
Evan Cheng
27e82023a4 Some minor scheduler changes. 
llvm-svn: 25597
 2006-01-25 09:07:50 +00:00
Evan Cheng
b463e81b83 Fix a selectcc lowering bug. Make a copy of X86ISD::CMP when folding it. 
llvm-svn: 25596
 2006-01-25 09:05:09 +00:00
Chris Lattner
8ddb0c3df8 Loosen up these checks to allow direct uses of ESP 
llvm-svn: 25595
 2006-01-25 08:00:36 +00:00
Jeff Cohen
3218a69301 Portably cast a pointer to an integer. 
llvm-svn: 25594
 2006-01-25 02:40:10 +00:00
Duraid Madina
7d51a9b8e3 add bundling! well not really, for now it's just stop-insertion. 
llvm-svn: 25593
 2006-01-25 02:23:38 +00:00