Evan Cheng
ef0ccad725
Fix scheduling infor for vmovn and vshrn which I broke accidentially.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115354 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-01 21:48:06 +00:00
Evan Cheng
df9da6a033
Add operand cycles for vldr / vstr.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115353 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-01 21:40:30 +00:00
Eric Christopher
e6ca6771e3
Direct calls only for arm fast isel for now.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115350 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-01 21:33:12 +00:00
Evan Cheng
cae6a12a99
NEON scheduling info fix. vmov reg, reg are single cycle instructions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115344 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-01 20:50:58 +00:00
Eric Christopher
45547b844d
Fix thinko on store instructions. Fixes test_indvars failure.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115342 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-01 20:46:04 +00:00
Owen Anderson
00d4f48168
Make the spelling of the flags for old-style if-conversion heuristics consistent between ARM and Thumb2.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115341 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-01 20:33:47 +00:00
Owen Anderson
aa9f0a57d0
Provide an option to restore old-style if-conversion heuristics for Thumb2.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115339 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-01 20:28:06 +00:00
Evan Cheng
7c3423f413
Per Cortex-A9 pipeline diagram. AGU (core load / store issue) and NEON/FP issue are multiplexed. Model it correctly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115332 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-01 19:41:46 +00:00
Jim Grosbach
bffa1a5cf3
grammar
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115314 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-01 14:57:48 +00:00
Eric Christopher
14df88282b
Implement double return values in calls. Fixes
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SingleSource/Regression/C/casts.c.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115246 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-01 00:00:11 +00:00
Owen Anderson
b3c04ec956
Temporarily add a flag to make it easier to compare the new-style ARM if
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conversion heuristics to the old-style ones.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115239 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30 23:48:38 +00:00
Eric Christopher
086378597d
Movement and cleanup.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115225 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30 22:34:19 +00:00
Eric Christopher
f9764fa14f
Start of generalized call support for ARM fast isel.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115203 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30 20:49:44 +00:00
Jim Grosbach
a3fbadfcd8
Nuke a few more unused asm strings
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115193 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30 19:53:58 +00:00
Jim Grosbach
3787a40e03
Move getPointerSize() to the base class since it's not dependent on MachO
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vs. ELF
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115180 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30 17:45:51 +00:00
Jim Grosbach
af2a8b21f1
Remove extraneous ';'
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115176 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30 17:19:17 +00:00
Jim Grosbach
71d933a49e
The asm strings are never used at all, so just nuke 'em entirely.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115160 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30 16:56:53 +00:00
Kevin Enderby
8ebf66236e
Adds getPointerSize() to the AsmBackend which will be needed by the final patch
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for the dwarf .loc support to emit dwarf line number tables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115153 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30 16:38:07 +00:00
Jim Grosbach
2f24c4ece0
80 column fix
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115149 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30 15:25:22 +00:00
Jason W Kim
a4c27248b5
Fix two tiny issues (ARM does not need COFF) and comment sanity.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115147 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30 14:58:19 +00:00
Jim Grosbach
f73fd7278f
trailing whitespace
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115136 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30 03:21:00 +00:00
Jim Grosbach
87dc3aa2d8
Remove misplaced ';'. Make buildbots happy, hopefully.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115135 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30 03:20:34 +00:00
Jason W Kim
afd1cc2578
Tiny patch for proof-of-concept cleanup of ARMAsmPrinter::EmitStartOfAsmFile()
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Small test for sanity check of resulting ARM .s file.
Tested against -r115129.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115133 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30 02:45:56 +00:00
Jim Grosbach
7ebc863c15
Go ahead and jump!
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Now that the MC lowering handles the expansion of the pseudos, kill the horrible
blobs of text.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115130 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30 02:18:06 +00:00
Jason W Kim
d4d4f4f488
I added a new file ARMAsmBackend which stubs out in similar ways to
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the eqv X86 class.
For now, I split the ELFARMAsmBackend from the DarwinARMAsmBackend
(also mimicking X86)
Tested against -r115126
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115129 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30 02:17:26 +00:00
Jim Grosbach
a4e97de71d
Now that the pseudos that needed this are all custom lowered, we can go back
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to an empty PrintSpecial()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115128 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30 02:02:22 +00:00
Jim Grosbach
2317e40539
Nuke it from orbit. It's the only way to be sure.
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(Kill the dead non-MC asm printer for the ARM target.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115127 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30 01:57:53 +00:00
Evan Cheng
0e55fd61ae
ARM instruction itinerary fixes:
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1. Cortex-a9 8-bit and 16-bit loads / stores AGU cycles are 1 cycle longer than 32-bit ones.
2. Cortex-a9 is out-of-order so model all read cycles as cycle 1.
3. Lots of other random fixes for A8 and A9.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115121 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-30 01:08:25 +00:00
Eric Christopher
a9a7a1a9a5
Refactor arm fast isel libcall handling so that pieces can be used
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for generic call handling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115105 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29 23:11:09 +00:00
Evan Cheng
3881cb7a5d
Model Cortex-a9 load to SUB, RSB, ADD, ADC, SBC, RSC, CMN, MVN, or CMP
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pipeline forwarding path.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115098 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29 22:42:35 +00:00
Eric Christopher
8cf6c60710
Add a convenience variable so I'm not chasing all over looking for
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a context.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115094 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29 22:24:45 +00:00
Jim Grosbach
828916203a
Add specializations of addrmode2 that allow differentiating those forms
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which require the use of the shifter-operand. This will be used to split
the ldr/str instructions such that those versions needing the shifter operand
can get a different scheduling itenerary, as in some cases, the use of the
shifter can cause different scheduling than the simpler forms.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115066 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29 19:03:54 +00:00
Bob Wilson
7122ba7efb
Increase ARM APCS preferred alignment for i64 and f64 from 32 bits to 64 bits.
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LDM/STM instructions can run one cycle faster on some ARM processors if the
memory address is 64-bit aligned. Radar 8489376.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115047 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29 17:54:10 +00:00
Jim Grosbach
be91232900
Add braces for legibility.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115043 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29 17:32:29 +00:00
Jim Grosbach
b454cdaebc
One Printer to rule them all, One Printer to find them,
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One Printer to lower them all and in the back end bind them.
(Remove option to use the old non-MC asm printer.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115038 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29 15:23:40 +00:00
Gabor Greif
05642a3eba
improve heuristics to find the 'and' corresponding to 'tst' to also catch opportunities on thumb2
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added some doxygen on the way
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115033 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29 10:12:08 +00:00
Chris Lattner
7c51a3172c
implement rdar://8456378 and PR7557 - support for the fstsw,
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an instruction that requires a WHOLE NEW wonderful kind of alias.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115015 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29 01:50:45 +00:00
Chris Lattner
7036f8be4d
change the protocol TargetAsmPArser::MatchInstruction method to take an
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MCStreamer to emit into instead of an MCInst to fill in. This allows the
matcher extra flexibility and is more convenient.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115014 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29 01:42:58 +00:00
Eric Christopher
229207aa2e
Rework comparison handling to set a register on true/false. This avoids
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problems with phi-nodes in blocks that have hard and not virtual registers.
Accordingly update branch handling to compensate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115013 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29 01:14:47 +00:00
Eric Christopher
f8476e6742
Remove unnecessary set ahead of time.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115011 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29 00:50:57 +00:00
Evan Cheng
5d42c567c9
Separate itinerary classes for mvn from mov; for tst / teq from cmp / cmn.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115010 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29 00:49:25 +00:00
Eric Christopher
98de5b4603
Remove assert, add comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115009 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29 00:49:09 +00:00
Evan Cheng
7e1bf305cf
Assign bitwise binary instructions different itinerary classes from ALU instructions such as add / sub.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115008 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-29 00:27:46 +00:00
Evan Cheng
63d66eed16
Add support to model pipeline bypass / forwarding.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115005 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-28 23:50:49 +00:00
Eric Christopher
744c7c8e1b
32-bit constant ints only for now.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115001 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-28 22:47:54 +00:00
Oscar Fuentes
3609eb0de2
Removed a bunch of unnecessary target_link_libraries.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114999 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-28 22:39:14 +00:00
Owen Anderson
654d5440a4
Add a subtarget hook for reporting the misprediction penalty. Use this to provide more precise
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cost modeling for if-conversion. Now if only we had a way to estimate the misprediction probability.
Adjsut CodeGen/ARM/ifcvt10.ll. The pipeline on Cortex-A8 is long enough that it is still profitable
to predicate an ldm, but the shorter pipeline on Cortex-A9 makes it unprofitable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114995 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-28 21:57:50 +00:00
Eric Christopher
fd60980eb2
Integer materialization needed the same thinko change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114994 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-28 21:55:34 +00:00
Nick Lewycky
a6136b7156
Resolve this GCC warning:
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ARMTargetMachine.cpp:53: error: control reaches end of non-void function
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114992 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-28 21:40:26 +00:00
Anton Korobeynikov
4f922f2cca
User proper libcall names & condcodes while compiling for ARM EABI.
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Patch by Evzen Muller!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114991 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-28 21:39:26 +00:00