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802dd20495
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18802 Commits

Author SHA1 Message Date
Eli Friedman
802dd20495 Atomic load/store on ARM/Thumb. 
I don't really like the patterns, but I'm having trouble coming up with a
better way to handle them.

I plan on making other targets use the same legalization
ARM-without-memory-barriers is using... it's not especially efficient, but
if anyone cares, it's not that hard to fix for a given target if there's
some better lowering.

llvm-svn: 138621
 2011-08-26 02:59:24 +00:00
Bruno Cardoso Lopes
e6119d18de Do the same as r138461. Mark VZEROALL as clobbering all YMM registers 
llvm-svn: 138592
 2011-08-25 22:23:58 +00:00
Nick Lewycky
59cb9e0d85 Remove stray fullstop. 
llvm-svn: 138589
 2011-08-25 21:46:20 +00:00
Bruno Cardoso Lopes
5b3d2c9e17 Add support for AVX 256-bit version of MOVDDUP! 
llvm-svn: 138588
 2011-08-25 21:40:37 +00:00
Bruno Cardoso Lopes
dedd2ffa0b Make isMOVDDUP mask check more strict and update comments! 
llvm-svn: 138587
 2011-08-25 21:40:34 +00:00
Owen Anderson
d387b48b0b Port over additional encoding tests to decoding tests, and fix an operand ordering bug this exposed. 
llvm-svn: 138575
 2011-08-25 18:30:18 +00:00
Andrew Trick
0dd0ae11f8 ARM fix for missing implicit operands on ldmia_ret. 
rdar://10005094: miscompile of 176.gcc

llvm-svn: 138568
 2011-08-25 17:50:53 +00:00
Andrew Trick
cd6126c2ab whitespace 
llvm-svn: 138566
 2011-08-25 17:40:54 +00:00
Jim Grosbach
e8641a3bc7 Explicitly disallow predication in Thumb1 assembly. 
llvm-svn: 138562
 2011-08-25 17:23:55 +00:00
Craig Topper
a6085b9757 Add more missing TB encodings to VEX instructions to allow them to be disassembled. Fixes remainder of PR10678. 
llvm-svn: 138553
 2011-08-25 08:11:01 +00:00
Craig Topper
06ed6cb856 Add TB encoding to VEROALL, VZEROUPPER, and VCVTPS2PD to allow them to be disassembled. Fixes PR10723. 
llvm-svn: 138551
 2011-08-25 06:57:46 +00:00
Bruno Cardoso Lopes
5d34219953 Add support for 256-bit versions of VSHUFPD and VSHUFPS. 
llvm-svn: 138546
 2011-08-25 02:58:26 +00:00
Bruno Cardoso Lopes
ccffe56b5d Add memory version of SHUFPD to mask decoding! 
llvm-svn: 138545
 2011-08-25 02:58:21 +00:00
Evan Cheng
7de8defb9c Hide -global-merge option. 
llvm-svn: 138540
 2011-08-25 01:22:49 +00:00
Evan Cheng
6c89acc6d1 Add a command line option to disable global merge pass. 
llvm-svn: 138536
 2011-08-25 01:00:36 +00:00
Evan Cheng
9a2607f3b9 Remove a out-of-place comment. 
llvm-svn: 138534
 2011-08-25 00:54:42 +00:00
Bruno Cardoso Lopes
dfa5cf4620 Create a section for non-instructions patterns in the beginning of the 
file, and move more code around!

llvm-svn: 138521
 2011-08-24 23:18:11 +00:00
Bruno Cardoso Lopes
719b357628 Move code around! 
llvm-svn: 138520
 2011-08-24 23:18:09 +00:00
Bruno Cardoso Lopes
3824b766ac Organize UNPCK* patterns, also add remaining for AVX. 
llvm-svn: 138519
 2011-08-24 23:18:06 +00:00
Bruno Cardoso Lopes
82c8bc7efd Move remaining MOVDDUP patterns close to MOVDDUP defintion and duplicate 
the missing ones for AVX.

llvm-svn: 138518
 2011-08-24 23:18:04 +00:00
Bruno Cardoso Lopes
d315a6b6e6 Organize and tidy up MOVDDUP section. Also update comments! 
llvm-svn: 138517
 2011-08-24 23:18:02 +00:00
Bruno Cardoso Lopes
762fb13cc9 Move MOVHLPS patterns close to MOVHLPS definition, and duplicate the 
pattern for 128-bit AVX mode.

llvm-svn: 138516
 2011-08-24 23:17:59 +00:00
Bruno Cardoso Lopes
d62766849f Move all PSHUF* patterns close to the PSHUF* definitions. Also be 
explicit about which subtarget they refer to, and add AVX versions of
the ones we currently don't. Remove old and now wrong comments!

llvm-svn: 138515
 2011-08-24 23:17:57 +00:00
Bruno Cardoso Lopes
122f7cfc92 Move all SHUFP* patterns close to the SHUFP* definitions. Also be 
explicit about which subtarget they refer to, and add AVX versions of
the ones we currently don't. Make the mask check more strict, to be
clear it won't be used to match to 256-bit versions!

llvm-svn: 138514
 2011-08-24 23:17:55 +00:00
Owen Anderson
8a6cf48f0e Perform more thorough checking of t2IT mask parameters, which fixes all remaining crashers when disassembling the entire 16-bit instruction space. 
llvm-svn: 138507
 2011-08-24 22:40:22 +00:00
Eli Friedman
b6597a2e70 Hook up 64-bit atomic load/store on x86-32. I plan to write more efficient implementations eventually. 
llvm-svn: 138505
 2011-08-24 22:33:28 +00:00
Jim Grosbach
76b50c3819 ARM asm backend initialize isThumbMode based on target triple. 
llvm-svn: 138501
 2011-08-24 22:27:35 +00:00
Jim Grosbach
7374e16344 Thumb .n mnemonic qualifiers can be ignored for now. 
We'll need to pay attention to them when we start getting more serious about
the details of parsing thumb2 assembly.

llvm-svn: 138500
 2011-08-24 22:19:48 +00:00
Jim Grosbach
effaf1e15d Thumb parsing and encoding for SUB (SP minu immediate). 
Fix FiXME in test file. Remove FIXME for SUB (SP minus register) since that
form is Thumb2 only.

llvm-svn: 138494
 2011-08-24 21:42:27 +00:00
Owen Anderson
3732f1644b Be careful not to walk off the end of the operand info list while updating VFP predicates. 
llvm-svn: 138492
 2011-08-24 21:35:46 +00:00
Jim Grosbach
b2b155a93f Thumb parsing and encoding support for ADD SP instructions. 
Fix the test FIXME and add parsing support for the ADD (SP plus immediate)
and ADD (SP plus register) instruction forms.

llvm-svn: 138488
 2011-08-24 21:22:15 +00:00
Eli Friedman
e4cd816e7b Fix whitespace. 
llvm-svn: 138487
 2011-08-24 21:17:30 +00:00
Eli Friedman
6f95a6ae1b Basic x86 code generation for atomic load and store instructions. 
llvm-svn: 138478
 2011-08-24 20:50:09 +00:00
Jim Grosbach
ccee1ff0f5 When printing Thumb1 NOP ('mov r8, r8'), make sure to print the predicate. 
rdar://10015134

llvm-svn: 138467
 2011-08-24 20:06:14 +00:00
Bruno Cardoso Lopes
734febce18 Mark VZEROALL as clobbering all YMM registers 
llvm-svn: 138461
 2011-08-24 18:48:33 +00:00
Jim Grosbach
9ae0de4db3 Add missing explicit writeback operand to tSTMIA_UPD. 
rdar://10014745

llvm-svn: 138457
 2011-08-24 18:19:42 +00:00
Evan Cheng
420bf5446c Move TargetRegistry and TargetSelect from Target to Support where they belong. 
These are strictly utilities for registering targets and components.

llvm-svn: 138450
 2011-08-24 18:08:43 +00:00
Jim Grosbach
bf012c3f19 Thumb add SP assembly syntax fix. 
llvm-svn: 138448
 2011-08-24 18:04:27 +00:00
Jim Grosbach
b33129ebad Thumb1 ADD/SUB SP instructions are predicable in Thumb2 mode. 
Add the predicate operand to the instructions. Update the back end
accordingly where the instructions are used. Restrict the SP operands
to actually only be SP, as otherwise these break assembly parsing for the
normal instruction variants.

llvm-svn: 138445
 2011-08-24 17:46:13 +00:00
Owen Anderson
ee4d781cd3 Be stricter in enforcing IT instruction predicate values, so that we don't end up trying to print out an illegal predicate. 
llvm-svn: 138443
 2011-08-24 17:21:43 +00:00
Richard Osborne
6b6b0b535d Add Uses=[SP] to call instructions. This fixes a miscompilation with a 
variable sized alloca.

llvm-svn: 138433
 2011-08-24 13:32:43 +00:00
Craig Topper
1da38a34a6 Break 256-bit vector int add/sub/mul into two 128-bit operations to avoid costly scalarization. Fixes PR10711. 
llvm-svn: 138427
 2011-08-24 06:14:18 +00:00
Bruno Cardoso Lopes
8959b54713 Fix a nasty bug where a v4i64 was being wrong emitted with 32-bit 
permutations. Also tidy up some patterns and make them close to their
instruction definition!

llvm-svn: 138392
 2011-08-23 22:06:37 +00:00
Jim Grosbach
b65ec7c64f Move ARM frame-unwinding EHABI handling a touch earlier. 
It should go before AsmPrinter MC pseudo expansion since it's based on
MachineInstr, not MCInst. Otherwise any frame related pseudo instructions
may be missed.

llvm-svn: 138386
 2011-08-23 21:32:34 +00:00
Jim Grosbach
3832c5ac34 [SU]XT[BH] are only available on ARMv6 and up. 
llvm-svn: 138373
 2011-08-23 20:53:08 +00:00
Evan Cheng
ed13551c1d Some refactoring so TargetRegistry.h no longer has to include any files 
from MC.

llvm-svn: 138367
 2011-08-23 20:15:21 +00:00
Jim Grosbach
1f5b8e9044 Thumb parsing and encoding for SVC. 
llvm-svn: 138360
 2011-08-23 19:49:10 +00:00
Nick Lewycky
11874a4e0a PerformSubCombine to work on integers larger than i128. Fixes a crasher. 
llvm-svn: 138354
 2011-08-23 19:01:24 +00:00
Jim Grosbach
f9bc99b518 Thumb parsing and encoding for tSTRspi. 
llvm-svn: 138348
 2011-08-23 18:39:41 +00:00
Jim Grosbach
3b20e779cd Thumb parsing and encoding for STM. 
llvm-svn: 138345
 2011-08-23 18:15:37 +00:00