Commit Graph

364 Commits

Author SHA1 Message Date
Evan Cheng
b01fad6d19 Updated TargetLowering LSR addressing mode hooks for ARM and Thumb.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35075 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-12 23:30:29 +00:00
Evan Cheng
1a9da0d66c Minor stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35049 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-09 19:46:06 +00:00
Evan Cheng
44f4fca3c0 Add comments about LSR / ARM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35048 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-09 19:35:33 +00:00
Evan Cheng
2265b49193 Unfinished work and ideas related to register scavenger.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35047 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-09 19:34:51 +00:00
Dale Johannesen
818c085232 apply comments from review of last patch
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35045 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-09 19:18:59 +00:00
Dale Johannesen
a6bc6fc170 Add some observations from CoreGraphics benchmark. Remove register
scavenging todo item, since it is now implemented.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35044 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-09 17:58:17 +00:00
Evan Cheng
23a9570494 Implement inline asm modifier c.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35035 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 22:42:46 +00:00
Evan Cheng
b582b1b1fc Fix a typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35030 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 21:59:30 +00:00
Evan Cheng
032953d747 Putting more constants which do not contain relocations into .literal{4|8|16}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35026 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 08:31:54 +00:00
Evan Cheng
bf822eb6a3 Change register allocation order to Dale's suggestion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35021 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 02:56:40 +00:00
Evan Cheng
11788fde93 Bug fix. Not advancing the register scavenger iterator correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35020 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 02:55:08 +00:00
Evan Cheng
98ded765c2 For Darwin, put constant data into .const, .const_data, .literal{4|8|16}
sections.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35017 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-08 01:25:25 +00:00
Evan Cheng
603b83ebcd Only safe to use a call-clobbered or spilled callee-saved register as scratch register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35010 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-07 20:30:36 +00:00
Anton Korobeynikov
d0b82b301d Refactoring of formal parameter flags. Enable properly use of
zext/sext/aext stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35008 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-07 16:25:09 +00:00
Evan Cheng
cb20998b3f ARM always use register scavenger. No longer reserves R12.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34999 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-07 02:46:23 +00:00
Evan Cheng
0ea12ec848 Fix some brittle code. Watch out for cases where register scavenger is pointing to deleted instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34998 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-07 02:38:05 +00:00
Evan Cheng
3d06cf4584 Fix one more Thumb eliminateFrameIndex bug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34990 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-07 00:12:18 +00:00
Evan Cheng
e6257632fc Register scavenging is now on by default for ARM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34987 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-06 22:02:53 +00:00
Evan Cheng
a90f3408b3 Make load / store optimizer use register scavenger.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34986 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-06 21:59:20 +00:00
Evan Cheng
cc1c427266 Code clean up. Prepare to use register scavenger.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34976 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-06 18:02:41 +00:00
Evan Cheng
140e33cfd1 Scavenge a register using the register scavenger when needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34966 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-06 10:03:56 +00:00
Anton Korobeynikov
1d9baccc9b Use new SDIselParamAttr enumeration. This removes "magick" constants
from formal attributes' flags processing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34963 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-06 08:12:33 +00:00
Lauro Ramos Venancio
6d7dd8ef46 Use init_array/fini_array sections for static contructors/destructors when the ABI is AAPCS.
Fix SingleSource/Regression/C/ConstructorDestructorAttributes test on arm-linux-gnueabi.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34931 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-05 17:59:58 +00:00
Dale Johannesen
9f8e50d4ed eliminate unnecessary reset of SP in epilog on darwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34824 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-02 01:17:17 +00:00
Evan Cheng
c1c2de0ae7 Use a spilled free callee-saved register as scratch register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34785 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 08:57:52 +00:00
Evan Cheng
f49407b790 - Track which callee-saved registers are spilled.
- Some code clean up.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34783 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 08:26:31 +00:00
Evan Cheng
cda067bad9 Switch from std::vector<bool> to BitVector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34781 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 07:52:44 +00:00
Bill Wendling
f1d6006ad6 Get rid of verboten <iostream> include.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34777 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-01 06:05:39 +00:00
Dale Johannesen
b71aa2b6ca Changes requested in review of last pass. Also pulled isThumb into a
member, instead of resetting in every function that uses it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34764 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 23:20:38 +00:00
Evan Cheng
ad78ef2154 Doh. ARM::PC is obvious a reserved register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34763 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 23:12:34 +00:00
Dale Johannesen
f1b214d3ca Add intelligence about where to break large blocks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34755 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 18:41:23 +00:00
Evan Cheng
36230cdda4 Make requiresRegisterScavenging determination on a per MachineFunction basis.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34711 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 00:59:19 +00:00
Evan Cheng
41a4d562f7 Temporary: make R12 available in ARM mode if RegScavenger is being used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34709 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 00:22:44 +00:00
Evan Cheng
1b051fc6a4 Start making use of RegScavenger.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34708 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 00:21:58 +00:00
Evan Cheng
5e6df4647e PEI now passes a RegScavenger ptr to eliminateFrameIndex.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34707 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 00:21:17 +00:00
Evan Cheng
15991bf775 Minor tweak. Allocate r0 to r3 in reverse order, r3 is least likely to be livein to a function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34701 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 23:03:55 +00:00
Evan Cheng
5ef9226f30 Let MRegisterInfo now owns RegScavenger; eliminateFrameIndex must preserve register kill info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34692 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 21:12:35 +00:00
Dale Johannesen
ce74de46dd cosmetic changes from review of last patch. obvious
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34598 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-25 18:31:31 +00:00
Dale Johannesen
598270a68d remove crediting of Evan Cheng and me.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34568 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-25 01:42:36 +00:00
Dale Johannesen
99c49a4b94 Removed WaterListOffset, inserted BBOffsets. Remove TODO item about this
from README.
When no water available, use end of block if in range.  (More to do here.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34563 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-25 00:47:03 +00:00
Lauro Ramos Venancio
acdfa445ac bugfix: SP wasn't updated for varargs when frame pointer was eliminated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34537 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-23 21:53:48 +00:00
Lauro Ramos Venancio
600c383e5c Fix stack alignment in functions with varargs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34532 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-23 20:32:57 +00:00
Dale Johannesen
88e37ae366 rewrite of constant islands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34523 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-23 05:02:36 +00:00
Evan Cheng
04321f70f5 Added -march=thumb; removed -enable-thumb.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34521 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-23 03:14:31 +00:00
Evan Cheng
ead7590581 Add option to turn on register scavenger; By default, spills kills the register being stored.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34514 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-23 01:09:11 +00:00
Jim Laskey
2ad9f17fee Simplify lowering and selection of exception ops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34488 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-22 14:56:36 +00:00
Jim Laskey
62819f3144 Support to provide exception and selector registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34482 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-21 22:54:50 +00:00
Evan Cheng
b371f457b0 Re-apply my liveintervalanalysis changes. Now with PR1207 fixes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34428 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-19 21:49:54 +00:00
Reid Spencer
a284cbf667 For PR1207:
Revert patches that caused the problem. Evan, please investigate and reapply
when you've discovered the problem.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34399 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-19 03:20:00 +00:00
Evan Cheng
eceada6728 Added getReservedRegs().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34376 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-17 11:06:00 +00:00