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19525 Commits

Author SHA1 Message Date
Bruno Cardoso Lopes
914a2a319c Add AVX pattern versions for PSHUFB,PSIGN{B,W,D} 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139067 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-03 00:46:54 +00:00
Bruno Cardoso Lopes
a4ac989a1c Add AVX versions of MOVZDI2PDI patterns. Use SUBREG_TO_REG to indicate 
that the AVX versions (even the 128-bit ones) all clear the upper part
of the destination register.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139066 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-03 00:46:51 +00:00
Bruno Cardoso Lopes
152a287374 Enforce subtarget checks in a few places to be explicit when the 
pattern should be matched

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139065 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-03 00:46:49 +00:00
Bruno Cardoso Lopes
5ab6dcc4bb Tidy up code moving patterns to their appropriate place! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139064 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-03 00:46:47 +00:00
Bruno Cardoso Lopes
0e59a04849 Add AVX versions of FsMOVAPS and FsMOVAPS. Teach X86InstrInfo how to use 
it!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139063 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-03 00:46:45 +00:00
Bruno Cardoso Lopes
645b8be38a Teach X86FastISel to use AVX versions of instructions when possible 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139062 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-03 00:46:42 +00:00
Bruno Cardoso Lopes
1aab5515f6 Fix 80-column and style 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139061 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-03 00:46:40 +00:00
Bruno Cardoso Lopes
e4ccf8a86c Tidy up some SSE/AVX convert intrinsics. Also add an AVX version of 
OptForSize pattern

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139060 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-03 00:46:38 +00:00
Jakob Stoklund Olesen
5047d76575 Pseudo CMOV instructions don't clobber EFLAGS. 
The explanation about a 0 argument being materialized as xor is no
longer valid.  Rematerialization will check if EFLAGS is live before
clobbering it.

The code produced by X86TargetLowering::EmitLoweredSelect does not
clobber EFLAGS.

This causes one less testb instruction to be generated in the cmov.ll
test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139057 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 23:52:55 +00:00
Jakob Stoklund Olesen
b8e052e123 Check for EFLAGS live-out before clobbering it. 
It is only allowed to clobber EFLAGS at the end of a block if it isn't
live-in to any successor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139056 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 23:52:52 +00:00
Jakob Stoklund Olesen
4a1b9d82a4 Use existing function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139055 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 23:52:49 +00:00
Jim Grosbach
6c3e11ea55 Thumb2 parsing and encoding for BXJ. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139053 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 23:43:09 +00:00
Jim Grosbach
a110988b39 Thumb2 parsing and encoding of B instruction. 
Tweak handling of IT blocks a bit to enable this. The differentiation between
B and Bcc needs special sauce.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139049 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 23:22:08 +00:00
Jakob Stoklund Olesen
439f71eb30 Remove unused variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139047 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 22:41:25 +00:00
Eli Friedman
4136d23c48 Don't fast-isel for atomic load/store; some cases require extra handling missing from fast-isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139044 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 22:33:24 +00:00
Jim Grosbach
5f25fb01b4 Thumb2 parsing and encoding for ASR. 
For other shift and rotate instructions, too. Tests for those forthcoming
as I work my way through the ISA.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139040 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 21:28:54 +00:00
Kevin Enderby
d5705fe50d Change X86 disassembly to print immediates values as signed by default. Special 
case those instructions that the immediate is not sign-extend.  radr://8795217


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139028 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 20:01:23 +00:00
Jim Grosbach
8e0c7697fd Tidy up. Formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139024 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 18:46:15 +00:00
Jim Grosbach
d2990107a9 Tidy up. 80 columns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139022 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 18:43:25 +00:00
Jim Grosbach
5c1ac55542 Thumb2 parsing and encoding for AND (register). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139021 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 18:41:35 +00:00
Bill Wendling
d199aa012b Revert r138826 until PR10834 can be fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139018 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 18:15:04 +00:00
Jim Grosbach
f0851e5d95 Thumb2 parsing and encoding for ADD (register). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139017 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 18:14:46 +00:00
Kalle Raiskila
989621f1f8 Pass signed (not unsigned) 10 bit field to SPU 'ori' instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139004 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 10:05:01 +00:00
Owen Anderson
a1c110045a Merge the ARM disassembler header into the implementation file, since it is not externally exposed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138982 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 23:35:51 +00:00
Owen Anderson
a6804444e8 Fix 80 columns violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138980 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 23:23:50 +00:00
Benjamin Kramer
36a16015ac Don't drop alignment info on local common symbols. 
- On COFF the .lcomm directive has an alignment argument.
- On ELF we fall back to .local + .comm

Based on a patch by NAKAMURA Takumi.

Fixes PR9337, PR9483 and PR10128.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138976 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 23:04:27 +00:00
Eli Friedman
7df496d2ad Null-initialize to shut up -Wuninitialized warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138974 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 22:27:41 +00:00
Jim Grosbach
2f25d9b933 ARM 'rscs' mnemonic is carry-setting 'rsc', not 'rs' with a 'cs' condition code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138952 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 18:22:13 +00:00
Bruno Cardoso Lopes
a39ccdb9d4 Fix vbroadcast matching logic to early unmatch if the node doesn't have 
only one use. Fix PR10825.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138951 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 18:15:06 +00:00
James Molloy
c047dcade5 Fix up r137380 based on post-commit review by Jim Grosbach. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138948 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 18:02:14 +00:00
Owen Anderson
7f17b5a483 t2Bcc is allowed to have a predicate without a preceding IT instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138946 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 17:47:45 +00:00
Jim Grosbach
20ed2e7939 Thumb2 assembly parsing and encoding for ADD(immediate). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138922 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 00:28:52 +00:00
Chad Rosier
dd1e7517b5 Fixup for functions that return a bool. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138918 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 23:49:05 +00:00
Jim Grosbach
de98273189 Static relocation model Thumb jump table interworking. 
Make sure the low bit of the PC is set when loading an address directly
for jump tables in static relocation model.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138912 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 22:23:09 +00:00
Owen Anderson
b45b11bce1 The asm parser currently selects the wrong encoding for non-conditional Thumb2 branches. However, this exposed a number of situations where the decoder was too permissive in allowing invalid instructions to decode successful. Specify additional fixed bits to close those gaps. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138910 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 22:00:41 +00:00
Jim Grosbach
c075510e43 Thumb2 t2Bcc should encode as t2B when condition is 'always'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138898 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 21:17:31 +00:00
Bruno Cardoso Lopes
fc7bc5889b Move more code around and duplicate AVX patterns: MOVHPS and MOVLPS 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138897 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 21:15:32 +00:00
Bruno Cardoso Lopes
06c982d0e0 Move MOVAPS,MOVUPS patterns close to the instructions definition 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138896 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 21:15:29 +00:00
Bruno Cardoso Lopes
453f4954f2 Remove "_Int" forms of MOVUPSmr and MOVAPSmr 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138895 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 21:15:22 +00:00
Owen Anderson
721cb1fde0 Fix encoding for tBcc with immediate offset operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138889 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 20:26:14 +00:00
Owen Anderson
d84192fe4f When performing instruction selection for LDR_PRE_IMM/LDRB_PRE_IMM, we still need to preserve the sign of the index. This fixes miscompilations of Quicksort in the nightly testsuite, and hopefully others as well. 
<rdar://problem/10046188>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138885 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 20:00:11 +00:00
Jim Grosbach
b80ab8e369 Remove FIXME. Thumb2 MOV instruction will use separate custom tricks. 
When we want encoding T3 (the wide encoding), we can explicitly check for
that and twiddle the CanAcceptCarrySet accordingly. For now, just correctly
handle encodings T1 and T2 when in Thumb2 mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138879 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 18:39:39 +00:00
Owen Anderson
559c277aa9 Fix roundtripping of Thumb BL/BLX instructions with immediate offsets instead of labels. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138874 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 18:30:20 +00:00
Jim Grosbach
c9a9b44285 tBcc is OK to be predicated in Thumb2 outside of IT blocks (obviously). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138873 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 18:29:05 +00:00
Jim Grosbach
72335d55d9 Thumb2 parsing and encoding for ADC(register). 
Also add instruction aliases for non-.w versions of SBC since they're the
same.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138871 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 18:23:08 +00:00
Eli Friedman
4d3f329453 64-bit atomic cmpxchg for ARM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138868 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 17:52:22 +00:00
Akira Hatanaka
334b5305a6 Fix typo. Patch by Liu. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138866 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 17:49:04 +00:00
Jim Grosbach
0f3abd8d68 Tweak Thumb1 ADD encoding selection a bit. 
When the destination register of an add immediate instruction is
explicitly specified, encoding T1 is preferred, else encoding T2 is
preferred.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138862 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 17:07:33 +00:00
Jakob Stoklund Olesen
6154582983 Put VMOVS widening under a command line option, off by default. 
It appears that our use of the imp-use and imp-def flags with
sub-registers is not yet robust enough to support this.

The failing test case is complicated, I am working on a reduction.

<rdar://problem/10044201>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138861 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 17:00:02 +00:00
Rafael Espindola
e81abfd30b Spelling and grammar fixes to problems found by Duncan. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138858 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 16:43:33 +00:00