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Commit Graph

4606 Commits

Author SHA1 Message Date
Chris Lattner
7a775bff1e add a high-priority SSE issue from sgefa
llvm-svn: 25787
2006-01-29 09:14:47 +00:00
Chris Lattner
7048df99cd add a missed optimization
llvm-svn: 25786
2006-01-29 09:08:15 +00:00
Chris Lattner
4c6384a412 Now that OpActions is big enough, we can specify actions for vector types
llvm-svn: 25784
2006-01-29 08:41:37 +00:00
Chris Lattner
81edad23a6 clean up interface to ValueTypeActions
llvm-svn: 25783
2006-01-29 08:41:12 +00:00
Chris Lattner
00e9ba5526 disable this for now
llvm-svn: 25778
2006-01-29 07:31:33 +00:00
Reid Spencer
2669d4cb81 Add a note about lowering llvm.memset, llvm.memcpy, and llvm.memmove to a
few stores under certain conditions.

llvm-svn: 25777
2006-01-29 06:48:25 +00:00
Chris Lattner
73262d78b8 remove now-dead code, the legalizer takes care of this for us
llvm-svn: 25776
2006-01-29 06:45:31 +00:00
Chris Lattner
b66484069a The FP stack doesn't support UNDEF, ask the legalizer to legalize it
instead of lying and saying we have it.

llvm-svn: 25775
2006-01-29 06:44:22 +00:00
Chris Lattner
6c4173145e Request expansion of ConstantVec nodes.
llvm-svn: 25773
2006-01-29 06:32:58 +00:00
Chris Lattner
5f0a3df176 Targets all now request ConstantFP to be legalized into TargetConstantFP.
'fpimm' in .td files is now TargetConstantFP.

llvm-svn: 25771
2006-01-29 06:26:08 +00:00
Chris Lattner
ca5c2d7a4c Update alpha to reflect recent constantfp legalize changes. It's not clear
why all this code isn't autogenerated. :(

llvm-svn: 25770
2006-01-29 06:25:22 +00:00
Chris Lattner
7a06abe72b cmovle != cmovlt
llvm-svn: 25761
2006-01-29 03:47:30 +00:00
Jeff Cohen
28a7bd94c9 Fix typo.
llvm-svn: 25760
2006-01-29 03:45:35 +00:00
Jeff Cohen
3ef56b005a Flesh out AMD family/models.
llvm-svn: 25755
2006-01-28 20:30:18 +00:00
Jeff Cohen
08656fa2a6 Correctly determine CPU vendor.
llvm-svn: 25754
2006-01-28 19:48:34 +00:00
Jeff Cohen
057816014c Use union instead of reinterpret_cast.
llvm-svn: 25751
2006-01-28 18:47:32 +00:00
Jeff Cohen
6d330738c1 Fix recognition of Intel CPUs.
llvm-svn: 25750
2006-01-28 18:38:20 +00:00
Chris Lattner
e5bf55bf7b Is64Bit reflects the capability of the chip, not an aspect of the target os
llvm-svn: 25749
2006-01-28 18:23:48 +00:00
Chris Lattner
0256ca3257 Fix a bunch of JIT failures with the new isel
llvm-svn: 25748
2006-01-28 18:19:37 +00:00
Jeff Cohen
4d971bdfa7 Improve X86 subtarget support for Windows and AMD.
llvm-svn: 25747
2006-01-28 18:09:06 +00:00
Chris Lattner
744d9a40f0 silence a warning
llvm-svn: 25745
2006-01-28 10:34:47 +00:00
Chris Lattner
d2eb15f467 Fix a bug in my elimination of ISD::CALL this morning. PPC now has to
provide the expansion for i64 calls itself

llvm-svn: 25735
2006-01-28 07:33:03 +00:00
Chris Lattner
686a1203f0 make this work on non-native hosts
llvm-svn: 25734
2006-01-28 06:05:41 +00:00
Chris Lattner
170727421b add a note about how we should implement this FIXME from the legalizer:
// FIXME: revisit this when we have some kind of mechanism by which targets
    // can decided legality of vector constants, of which there may be very
    // many.

llvm-svn: 25733
2006-01-28 05:40:47 +00:00
Nate Begeman
87c2c0e66b Implement Promote for VAARG, and allow it to be custom promoted for people
who don't want the default behavior (Alpha).

llvm-svn: 25726
2006-01-28 03:14:31 +00:00
Nate Begeman
a46156da35 Add a couple more things to the readme.
llvm-svn: 25724
2006-01-28 01:22:10 +00:00
Chris Lattner
d467a681e9 Remove some dead code
llvm-svn: 25719
2006-01-28 00:02:51 +00:00
Chris Lattner
2d4f83eaaf Switch to AlphaISD::CALL instead of ISD::CALL
llvm-svn: 25718
2006-01-27 23:39:00 +00:00
Chris Lattner
6a5d2450a3 Use PPCISD::CALL instead of ISD::CALL
llvm-svn: 25717
2006-01-27 23:34:02 +00:00
Chris Lattner
ab3ad7d4ef Use V8ISD::CALL instead of ISD::CALL
llvm-svn: 25716
2006-01-27 23:30:03 +00:00
Evan Cheng
442713efd7 A bit of wisdom from Chris on the last entry.
llvm-svn: 25715
2006-01-27 22:54:32 +00:00
Evan Cheng
03aaa82992 AT&T assembly convention: registers are in lower case.
llvm-svn: 25714
2006-01-27 22:53:29 +00:00
Chris Lattner
c245c32022 initialize member vars
llvm-svn: 25712
2006-01-27 22:38:36 +00:00
Chris Lattner
35d325e8aa initialize all instance vars
llvm-svn: 25711
2006-01-27 22:37:09 +00:00
Chris Lattner
59a4f3f637 Make llvm.frame/returnaddr not crash on ppc
llvm-svn: 25710
2006-01-27 22:25:06 +00:00
Evan Cheng
51c1d32061 Added notes about a x86 isel deficiency.
llvm-svn: 25706
2006-01-27 22:11:01 +00:00
Evan Cheng
5c1d0d40dc Added a temporary option -enable-x86-sse to enable sse support. It is used by
llc-beta.

llvm-svn: 25701
2006-01-27 21:49:34 +00:00
Evan Cheng
746086dc97 Bye bye Pattern ISel, hello DAG ISel.
llvm-svn: 25700
2006-01-27 21:26:54 +00:00
Nate Begeman
d2c6fbef4a Remove TLI.LowerReturnTo, and just let targets custom lower ISD::RET for
the same functionality.  This addresses another piece of bug 680.  Next,
on to fixing Alpha VAARG, which I broke last time.

llvm-svn: 25696
2006-01-27 21:09:22 +00:00
Evan Cheng
577ea086c4 A better workaround
llvm-svn: 25692
2006-01-27 19:30:30 +00:00
Chris Lattner
932260bb64 force sse/3dnow off until they work. This fixes all the x86 failures last night
llvm-svn: 25690
2006-01-27 18:30:50 +00:00
Chris Lattner
e1f4b9e384 Unbreak the JIT with SSE
llvm-svn: 25688
2006-01-27 18:27:18 +00:00
Evan Cheng
5891f49c47 x86 CPU detection and proper subtarget support
llvm-svn: 25679
2006-01-27 08:10:46 +00:00
Evan Cheng
77885c204d Subtarget feature can now set any variable to any value
llvm-svn: 25678
2006-01-27 08:09:42 +00:00
Chris Lattner
20d4194a0d PHI and INLINEASM are now built-in instructions provided by Target.td
llvm-svn: 25674
2006-01-27 01:46:15 +00:00
Chris Lattner
8cef15a908 Add a default NoItinerary class for targets to use.
llvm-svn: 25670
2006-01-27 01:41:38 +00:00
Jeff Cohen
f329a41a66 Improve compatibility with VC2005, patch by Morten Ofstad!
llvm-svn: 25661
2006-01-26 20:41:32 +00:00
Chris Lattner
800999ca4b Implement a method for inline asm support
llvm-svn: 25660
2006-01-26 20:37:03 +00:00
Jim Laskey
583aae3110 Set up MachineDebugInfo to scan for debug information form "llvm.db"g globals.
Global Variable information is now pulled from "llvm.dbg.globals"

llvm-svn: 25655
2006-01-26 20:21:46 +00:00
Chris Lattner
bfd5404cbf Improve compatibility with VC2005, patch by Morten Ofstad!
llvm-svn: 25653
2006-01-26 19:55:20 +00:00
Evan Cheng
670dc80530 Added preliminary x86 subtarget support.
llvm-svn: 25645
2006-01-26 09:53:06 +00:00
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
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
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
Andrew Lenharth
084c16fe59 oops
llvm-svn: 25623
2006-01-25 23:33:32 +00:00
Andrew Lenharth
01e5b9e862 forgot one
llvm-svn: 25620
2006-01-25 22:28:07 +00:00
Andrew Lenharth
d932b627f7 make things compile again
llvm-svn: 25614
2006-01-25 21:54:38 +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
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
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
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
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
Andrew Lenharth
3b1babbf44 maintaining stackpointer alignment. Perhaps it doesn't matter
llvm-svn: 25592
2006-01-25 01:51:08 +00:00
Chris Lattner
f2a2d62f48 use ESP directly, not a copy of ESP into some other register for fastcc calls
llvm-svn: 25584
2006-01-24 06:14:44 +00:00
Chris Lattner
c078165ea6 Emit the copies out of call return registers *after* the ISD::CALLSEQ_END
node, fixing fastcc and the case where a function has a frame pointer due
to dynamic allocas.

llvm-svn: 25580
2006-01-24 05:17:12 +00:00
Chris Lattner
2873307819 Allow jit-beta to work
llvm-svn: 25578
2006-01-24 04:50:48 +00:00
Jim Laskey
18ba7ce7b3 Crude Dwarf global variable debugging.
llvm-svn: 25569
2006-01-24 00:49:18 +00:00
Andrew Lenharth
757829acec bye bye Pattern ISEL
llvm-svn: 25553
2006-01-23 21:56:07 +00:00
Andrew Lenharth
f7d549848c added stores to lsmark
llvm-svn: 25552
2006-01-23 21:51:33 +00:00
Andrew Lenharth
85b5ef30e5 fix up more lsmark stuff
llvm-svn: 25550
2006-01-23 21:23:26 +00:00
Andrew Lenharth
b7a4322232 yea, lowering this stuff will basically work
llvm-svn: 25549
2006-01-23 20:59:50 +00:00
Chris Lattner
39bdbf2ad2 remove the V8 simple isel
llvm-svn: 25534
2006-01-23 07:20:15 +00:00
Duraid Madina
fa9095ff95 die, die!! r15, you are not callee-saved
llvm-svn: 25527
2006-01-23 06:11:45 +00:00
Duraid Madina
43e8616515 fix register corruption! (my god.) r15 is a scratch reg, using that as
a frame pointer is a pretty doofus thing to do. use r5 instead, and
mark it callee-saved, coz that's what it is!

llvm-svn: 25526
2006-01-23 06:08:46 +00:00
Chris Lattner
aafc339b4e Add explicit #includes of <iostream>
llvm-svn: 25515
2006-01-22 23:41:00 +00:00
Chris Lattner
adff158fbd Add explicit #includes of <iostream>
llvm-svn: 25509
2006-01-22 22:53:01 +00:00
Duraid Madina
019bfb760c insignificant, but next up is proper stack frame layout!
llvm-svn: 25497
2006-01-21 14:27:19 +00:00
Evan Cheng
2e4479d4a8 Rename fcmovae to fcmovnb and fcmova to fcmovnbe (following Intel manual).
Some assemblers can't recognize the aliases.

llvm-svn: 25494
2006-01-21 02:55:41 +00:00
Chris Lattner
1ecabc5a6f trivial formatting improvement: don't insert extra blank lines between .comm
vars.

llvm-svn: 25492
2006-01-21 01:35:26 +00:00
Robert Bocchino
2fd552ac25 Make the C writer work with packed types. printContainedStructs is
still not quite right and will be fixed later.

llvm-svn: 25488
2006-01-20 20:43:57 +00:00
Duraid Madina
2715941e86 remove RET hack, add proper support for rets (watching out for ret voids)
llvm-svn: 25486
2006-01-20 20:24:31 +00:00
Chris Lattner
38de8a67d5 Simplify CWriter::printContainedStructs, also allowing it to work with
PackedTypes as a side-effect.

llvm-svn: 25485
2006-01-20 18:57:03 +00:00
Chris Lattner
eacfe56de8 LowerReturn now doesn't have to handle f32 returns.
llvm-svn: 25484
2006-01-20 18:41:25 +00:00
Duraid Madina
94bace229d fix sext breakage: now we correctly deal with functions that return
int vs uint

llvm-svn: 25478
2006-01-20 16:10:05 +00:00
Duraid Madina
b18a42fd3a fix storing bools! eek!
llvm-svn: 25476
2006-01-20 03:40:25 +00:00
Evan Cheng
ffbc93d829 Stop doing that accidental commit.
llvm-svn: 25474
2006-01-20 01:14:05 +00:00
Evan Cheng
2b24240110 A few more SH{L|R}D peepholes.
llvm-svn: 25473
2006-01-20 01:13:30 +00:00
Evan Cheng
d2c0ccedd3 Didn't mean to commit the last one.
llvm-svn: 25469
2006-01-19 23:27:08 +00:00
Evan Cheng
e0f6454c5e Added i16 SH{L|R}D patterns.
llvm-svn: 25468
2006-01-19 23:26:24 +00:00
Andrew Lenharth
96520cb68d typo
llvm-svn: 25464
2006-01-19 21:10:38 +00:00
Andrew Lenharth
9abecccdcb nasty nasty patterns
llvm-svn: 25463
2006-01-19 20:49:37 +00:00
Duraid Madina
069b517767 fix boolean XOR (which fixes up comparisons..)
llvm-svn: 25462
2006-01-19 15:18:56 +00:00
Duraid Madina
4b75614c9c BOOM!
llvm-svn: 25460
2006-01-19 14:14:11 +00:00
Duraid Madina
08771721f9 click click
llvm-svn: 25459
2006-01-19 14:13:11 +00:00
Evan Cheng
680a8e070b Avoid generating a redundant setcc.
llvm-svn: 25457
2006-01-19 08:52:46 +00:00
Duraid Madina
1946b2ff30 fix calls that return f32
llvm-svn: 25455
2006-01-19 08:31:51 +00:00
Chris Lattner
b15de45374 implement support for f32 arguments past the first 6 words
llvm-svn: 25450
2006-01-19 07:22:29 +00:00
Evan Cheng
cfe9d47379 adc and sbb need an incoming flag to ensure it reads the carry flag
from add / sub.

llvm-svn: 25444
2006-01-19 06:53:20 +00:00
Chris Lattner
60bc56e930 add a note
llvm-svn: 25439
2006-01-19 02:09:38 +00:00
Evan Cheng
be2cf5f948 Two peepholes:
(or (x >> c) | (y << (32 - c))) ==> (shrd x, y, c)
(or (x << c) | (y >> (32 - c))) ==> (shld x, y, c)

llvm-svn: 25438
2006-01-19 01:56:29 +00:00
Evan Cheng
ddb170b73e Didn't mean to check that in.
llvm-svn: 25436
2006-01-19 01:52:56 +00:00
Evan Cheng
aebece2f7b A obvious typo
llvm-svn: 25435
2006-01-19 01:46:14 +00:00
Chris Lattner
23da2dc2ac Don't assert on 'select_cc SETUO'
llvm-svn: 25423
2006-01-18 19:42:35 +00:00
Chris Lattner
00a483f966 fix out of date comment
llvm-svn: 25422
2006-01-18 19:37:44 +00:00
Chris Lattner
b0d3080ca8 Fix Regression/CodeGen/PowerPC/2006-01-18-InvalidBranchOpcodeAssert.ll
llvm-svn: 25421
2006-01-18 19:35:21 +00:00
Jim Laskey
6b25a4e659 Added minimum Dwarf aranges. Cleaned up some section headers. Line number
support now works in gdb.

llvm-svn: 25417
2006-01-18 16:54:26 +00:00
Evan Cheng
92c122b26f SRA shift amount must be in i8
llvm-svn: 25416
2006-01-18 09:26:46 +00:00
Evan Cheng
4d841aaa98 If a call return type is i1, insert a truncate from X86::AL to i1.
llvm-svn: 25415
2006-01-18 08:08:38 +00:00
Evan Cheng
208f5076a0 Fix lowering of calls which return f32 values.
llvm-svn: 25413
2006-01-17 21:58:21 +00:00
Jim Laskey
52d9832e70 Add frame work for additional dwarf sections. Comments will improve as code
is added.

llvm-svn: 25410
2006-01-17 20:41:40 +00:00
Jim Laskey
0c4202b0ba Adding basic support for Dwarf line number debug information.
I promise to keep future commits smaller.

llvm-svn: 25396
2006-01-17 17:31:53 +00:00
Evan Cheng
1e112de44a Zero extending load from i1 to i8.
llvm-svn: 25391
2006-01-17 07:02:46 +00:00
Duraid Madina
c667c360e3 oops, this shouldn't have gotten in
llvm-svn: 25388
2006-01-17 03:09:48 +00:00
Evan Cheng
759a96e1a3 SSE does not support i64 SINT_TO_FP (FP stack doesn't either, but we custom
expand it), so ask legalizer to expand i32 UINT_TO_FP.

llvm-svn: 25386
2006-01-17 02:32:49 +00:00
Duraid Madina
365cb4f82d use proper (82-bit) spills/fills when spilling FP regs, so that
divides don't get broken. this fixes obsequi, smg2000, and probably
a bunch of other stuff (tm)

llvm-svn: 25385
2006-01-17 02:04:52 +00:00
Duraid Madina
f9cc57d93b fixing divides
llvm-svn: 25383
2006-01-17 01:19:49 +00:00
Evan Cheng
53520a8cee Added a FIXME comment about why FST is currently flagged to fpGETRESULT.
llvm-svn: 25381
2006-01-17 00:37:42 +00:00
Evan Cheng
3ce28c990a Bug fixes: fpGETRESULT should produces a flag result and X86ISD::FST should
read a flag.

llvm-svn: 25378
2006-01-17 00:19:47 +00:00
Evan Cheng
e678b39014 More typo's
llvm-svn: 25375
2006-01-16 23:26:53 +00:00
Evan Cheng
f7c719fe10 Some typo's
llvm-svn: 25374
2006-01-16 22:48:46 +00:00
Andrew Lenharth
b2671cf884 fix short immediate loads
llvm-svn: 25371
2006-01-16 21:41:39 +00:00
Andrew Lenharth
87cf023175 stack and rpcc
llvm-svn: 25369
2006-01-16 21:22:38 +00:00
Evan Cheng
de33ca2831 Fix FP_TO_INT**_IN_MEM lowering.
llvm-svn: 25368
2006-01-16 21:21:29 +00:00
Andrew Lenharth
0f185bc2ee Friendly names
llvm-svn: 25364
2006-01-16 19:53:25 +00:00
Chris Lattner
88572bb5c4 add notes from my *other* email acct.
llvm-svn: 25362
2006-01-16 17:58:54 +00:00
Chris Lattner
62ab456f6b transfer some notes from my email to somewhere useful.
llvm-svn: 25361
2006-01-16 17:53:00 +00:00
Duraid Madina
d359468147 fixing divides: FP should now be 100%, and integers are fine too
unless you try to div/mod 0 by anything, in which case you will
get some cute number, and not 0, which is bad.

llvm-svn: 25358
2006-01-16 14:33:04 +00:00
Duraid Madina
12da32f440 fix division! again!! pattern isel, prepare to die.
llvm-svn: 25353
2006-01-16 06:33:38 +00:00
Chris Lattner
1a1c43d70c Silly Sparc is big endian. If we have to load args out of incoming stack slots
that are smaller than an int, make sure to adjust the frame pointer to take
this into consideration.

llvm-svn: 25351
2006-01-16 01:40:00 +00:00
Chris Lattner
f71df454df Make sure that bool,byte and short arguments are the right type when loaded
from memory.

llvm-svn: 25346
2006-01-15 22:22:01 +00:00
Chris Lattner
9ab5b7adad Disable a broken optimization
llvm-svn: 25340
2006-01-15 19:15:46 +00:00
Evan Cheng
fe83dd85c8 Added patterns for 8-bit multiply
llvm-svn: 25338
2006-01-15 10:05:20 +00:00
Duraid Madina
eb89d7a5d1 explain that r12 is the stack pointer reg
llvm-svn: 25336
2006-01-15 09:45:23 +00:00
Chris Lattner
a91c75e676 Don't print a label for the first MBB in a function.
Compile this:

%_2E_str_8 = external global [75 x sbyte]
implementation   ; Functions:
declare int %printf(sbyte*, ...)
void %test()
        %tmp.101 = call int (sbyte*, ...)* %printf( sbyte* getelementptr ([75 x sbyte]* %_2E_str_8, int 0, int 0) )             ; <int> [#uses=0]
        unreachable
}

to this:

main_endif_2E_8:
        save -96, %o6, %o6
        sethi %hi(_2E_str_8), %l0
        add %l0, %lo(_2E_str_8), %o0
        call printf
        nop

instead of this:

main_endif_2E_8:
        save -96, %o6, %o6
        sethi %hi(_2E_str_8), %l0
        or %g0, %lo(_2E_str_8), %l1   ;; extra instruction
        add %l1, %l0, %o0
        call printf
        nop

llvm-svn: 25335
2006-01-15 09:26:27 +00:00
Chris Lattner
4d2c4cb7a7 Use the default impl of DYNAMIC_STACKALLOC, allowing us to delete some code.
llvm-svn: 25334
2006-01-15 09:02:48 +00:00
Chris Lattner
20f25dc8c2 Use the default lowering of ISD::DYNAMIC_STACKALLOC, delete now dead code.
llvm-svn: 25333
2006-01-15 09:00:21 +00:00
Chris Lattner
ada619f3b6 Have legalize take care of DYNAMIC_STACKALLOC for us, implement llvm.stacksave/stackrestore.
llvm-svn: 25332
2006-01-15 08:55:25 +00:00
Chris Lattner
d8711c673d Implement DYNAMIC_STACKALLOC for V8
llvm-svn: 25330
2006-01-15 08:43:57 +00:00
Chris Lattner
241b08f64d reorder passes
llvm-svn: 25326
2006-01-15 07:19:53 +00:00
Chris Lattner
be7efab5dc Cleanup IA64ISD, tell the graph drawer what the symbolic names for the enums are.
llvm-svn: 25324
2006-01-14 22:27:21 +00:00
Chris Lattner
95882698e5 silence a warning
llvm-svn: 25322
2006-01-14 20:11:13 +00:00
Nate Begeman
85b2dc0c4e bswap implementation
llvm-svn: 25312
2006-01-14 03:14:10 +00:00
Nate Begeman
10813e4f97 Remove some redundant stuff out of the readme.
llvm-svn: 25308
2006-01-14 01:24:22 +00:00
Evan Cheng
d92410b194 A typo.
llvm-svn: 25307
2006-01-14 01:18:49 +00:00
Chris Lattner
bf03ecb920 Implement a new InvalidateStructLayoutInfo method and add some comments
llvm-svn: 25304
2006-01-14 00:07:34 +00:00
Evan Cheng
4d9bab5789 Add truncstore i1 patterns.
llvm-svn: 25296
2006-01-13 21:45:19 +00:00
Chris Lattner
b839f31954 Fix a bug in my last X86 checkin, pointed out by cozmic
llvm-svn: 25293
2006-01-13 20:19:44 +00:00
Evan Cheng
a26ed7b9b2 LHS = X86ISD::CMOVcc LHS, RHS means LHS = RHS if cc. So the operands must be
flipped around.

llvm-svn: 25290
2006-01-13 19:51:46 +00:00
Andrew Lenharth
e591830a97 make DAG isel the default
llvm-svn: 25282
2006-01-13 18:49:47 +00:00
Chris Lattner
344642961e Enable X86 support for savestack/restorestack
llvm-svn: 25278
2006-01-13 18:00:54 +00:00
Chris Lattner
c615ed65ac implement stacksave/stackrestore on PPC
llvm-svn: 25277
2006-01-13 17:52:03 +00:00
Duraid Madina
e8b42dc96d don't be a doofus - this fixes storing bools
llvm-svn: 25274
2006-01-13 10:28:25 +00:00
Chris Lattner
80fed2d66e expand unsupported stacksave/stackrestore nodes
llvm-svn: 25272
2006-01-13 02:42:53 +00:00
Chris Lattner
ea59d9a498 new nodes
llvm-svn: 25271
2006-01-13 02:40:58 +00:00
Evan Cheng
e43fbe0d93 Minor update.
llvm-svn: 25263
2006-01-13 01:20:42 +00:00
Evan Cheng
bed984a1c8 More typo's. I need new eye glasses...
llvm-svn: 25261
2006-01-13 01:17:24 +00:00
Evan Cheng
ae2915ac91 Oops. Typo.
llvm-svn: 25260
2006-01-13 01:06:49 +00:00
Evan Cheng
3f2ae15472 Fix a SETCC / BRCOND folding bug.
llvm-svn: 25259
2006-01-13 01:03:02 +00:00
Evan Cheng
794a7cf6fe Fix sint_to_fp (fild*) support.
llvm-svn: 25257
2006-01-12 22:54:21 +00:00
Evan Cheng
169206c67f Specify transformation from GlobalAddress to TargetGlobalAddress and
ExternalSymbol to TargetExternalSymbol.

llvm-svn: 25253
2006-01-12 19:36:31 +00:00
Chris Lattner
1f1d6eb6a9 Fix branches on FP compares
llvm-svn: 25249
2006-01-12 17:05:32 +00:00
Evan Cheng
978f5581c4 X86ISD::SETCC (e.g. SETEr) produces a flag (so multiple SETCC can be
linked together).

llvm-svn: 25247
2006-01-12 08:27:59 +00:00
Evan Cheng
dd45d29b56 * Materialize GlobalAddress and ExternalSym with MOV32ri rather than
LEA32r.
* Do not lower GlobalAddress to TargetGlobalAddress. Let isel does it.

llvm-svn: 25246
2006-01-12 07:56:47 +00:00
Chris Lattner
03fcd99728 fix a bug in my previous checkin
llvm-svn: 25244
2006-01-12 07:38:04 +00:00
Chris Lattner
07bdb6319b Give V8ISD nodes symbolic names in dumps
llvm-svn: 25243
2006-01-12 07:31:15 +00:00
Duraid Madina
f6131d02a9 sabre's (correct) fix means these guys need to be flagged as well (else
the scheduler will complain)

llvm-svn: 25241
2006-01-12 03:28:40 +00:00
Chris Lattner
29e1825fd3 ahem :)
llvm-svn: 25239
2006-01-12 02:05:36 +00:00
Chris Lattner
452a84e2b6 these cases are autogenerated
llvm-svn: 25238
2006-01-12 02:01:45 +00:00
Chris Lattner
861897037b remove dead code
llvm-svn: 25237
2006-01-12 01:54:15 +00:00
Chris Lattner
e88b032f85 Goodbye PPC pattern isel. You have served us well, but it is now time for
you to ride off into the sunset.

llvm-svn: 25236
2006-01-12 01:46:07 +00:00
Chris Lattner
2514d94ca3 Fix an itanium call lowering bug for duraid
llvm-svn: 25235
2006-01-12 01:33:08 +00:00
Chris Lattner
7592fe2d86 invert the sense of this switch and its name
llvm-svn: 25234
2006-01-12 01:28:56 +00:00
Nate Begeman
2b45fdffcb Missed a spot.
llvm-svn: 25233
2006-01-11 23:20:28 +00:00
Evan Cheng
5841005bdf Added ROTL and ROTR.
llvm-svn: 25232
2006-01-11 23:20:05 +00:00
Chris Lattner
c8527856c1 Fix an off-by-one error that Nate's eagle eyes caught
llvm-svn: 25231
2006-01-11 23:16:29 +00:00
Chris Lattner
5633c9bccf Use the auto-insert BuildMI constructor to avoid an explicit insert. No
functionality change, just code cleanup.

llvm-svn: 25230
2006-01-11 23:07:57 +00:00
Chris Lattner
2c8238e494 If a function has a non-zero sized frame, use an add to adjust the stack
pointer in the epilog, not a load.

llvm-svn: 25229
2006-01-11 23:03:54 +00:00
Evan Cheng
66540aa32c Support for MEMCPY and MEMSET.
llvm-svn: 25226
2006-01-11 22:15:48 +00:00
Evan Cheng
3c3391632d Select DYNAMIC_STACKALLOC
llvm-svn: 25225
2006-01-11 22:15:18 +00:00
Nate Begeman
cff96008ac Add bswap, rotl, and rotr nodes
Add dag combiner code to recognize rotl, rotr
Add ppc code to match rotl

Targets should add rotl/rotr patterns if they have them

llvm-svn: 25222
2006-01-11 21:21:00 +00:00
Chris Lattner
5a59c88c17 Fix calls that need to store values in stack slots, to not copy the stack
pointer.  This allows us to emit stuff like this:

        li r10, 0
        stw r10, 56(r1)
        or r3, r10, r10
        or r4, r10, r10
        or r5, r10, r10
        or r6, r10, r10
        or r7, r10, r10
        or r8, r10, r10
        or r9, r10, r10
        bl L_bar$stub

instead of this:

        or r2, r1, r1     ;; Extraneous copy.
        li r10, 0
        stw r10, 56(r2)
        or r3, r10, r10
        or r4, r10, r10
        or r5, r10, r10
        or r6, r10, r10
        or r7, r10, r10
        or r8, r10, r10
        or r9, r10, r10
        bl L_bar$stub

wowness.

llvm-svn: 25221
2006-01-11 19:55:07 +00:00
Chris Lattner
f9e32005dd tblgen does this now
llvm-svn: 25220
2006-01-11 19:53:22 +00:00
Chris Lattner
8dd97ae338 This is no longer needed
llvm-svn: 25219
2006-01-11 19:52:46 +00:00
Chris Lattner
6b8fb2e9bc Dead FP arguments still use an incoming FP reg. This fixes
Regression/CodeGen/PowerPC/2006-01-11-darwin-fp-argument.ll, which was
distilled from a miscompilation in 252.eon.

llvm-svn: 25217
2006-01-11 18:21:25 +00:00
Chris Lattner
1ffbbc9ebc Use Evan's outflag stuff to implement V8cmpicc. This allows us to write a
pattern for SUBCCrr, and makes it trivial to add support for SUBCCri, eliminating
an instruction in the common "setcc X, imm" case.

llvm-svn: 25212
2006-01-11 07:49:38 +00:00
Chris Lattner
c2bd047226 Fix a bug in i32->f64 conversion lowering
llvm-svn: 25211
2006-01-11 07:27:40 +00:00
Chris Lattner
34c4cddb14 Unbreak ret void :-/
llvm-svn: 25210
2006-01-11 07:15:43 +00:00
Chris Lattner
d9b3f6a3df Write this pattern in canonical form, allowing more patterns to match.
This implements Regression/CodeGen/SparcV8/xnor.ll

llvm-svn: 25209
2006-01-11 07:14:01 +00:00
Evan Cheng
e42281bcba * Add special entry code main() (to set x87 to 64-bit precision).
* Allow a register node as SelectAddr() base.
* ExternalSymbol -> TargetExternalSymbol as direct function callee.
* Use X86::ESP register rather than CopyFromReg(X86::ESP) as stack ptr for
  call parmater passing.

llvm-svn: 25207
2006-01-11 06:09:51 +00:00
Duraid Madina
52e3f53ea5 cleanup GETFD
llvm-svn: 25198
2006-01-11 03:50:40 +00:00
Andrew Lenharth
09447d44ac this pattern was bogus
llvm-svn: 25197
2006-01-11 03:33:06 +00:00