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3539 Commits

Author SHA1 Message Date
Eric Christopher
bf7cf2a203 Handle comparison values we already have - this fixes the consumer-typeset 
failure for llvm-gcc on arm fast isel.

llvm-svn: 117710
 2010-10-29 21:08:19 +00:00
Jim Grosbach
93fbda05ee ARM::MOVi32imm is expanded in ARMExpandPseudoInsts, so there's no need to 
handle it in the asm lowering.

llvm-svn: 117707
 2010-10-29 20:37:06 +00:00
Jim Grosbach
52638aa1c8 Fix typo. 
llvm-svn: 117703
 2010-10-29 20:21:49 +00:00
Jim Grosbach
4ca61d9877 ARM encoding information for CLREX, SWP and SWPB. Add comment for sjlj pseudos and a FIXME for TLS. 
llvm-svn: 117702
 2010-10-29 20:21:36 +00:00
Jim Grosbach
162e3345fb ARM mode LDREX*/STREX* binary encodings. 
llvm-svn: 117695
 2010-10-29 19:58:57 +00:00
Jim Grosbach
5bc94b46a9 Encoding information for ARM conditional move instructions. 
llvm-svn: 117687
 2010-10-29 19:28:17 +00:00
Evan Cheng
392d2cbdcc Avoiding overly aggressive latency scheduling. If the two nodes share an 
operand and one of them has a single use that is a live out copy, favor the
one that is live out. Otherwise it will be difficult to eliminate the copy
if the instruction is a loop induction variable update. e.g.

BB:
sub r1, r3, #1
str r0, [r2, r3]
mov r3, r1
cmp
bne BB

=>

BB:
str r0, [r2, r3]
sub r3, r3, #1
cmp
bne BB

This fixed the recent 256.bzip2 regression.

llvm-svn: 117675
 2010-10-29 18:09:28 +00:00
Evan Cheng
92293993bd - Don't schedule nodes with only MVT::Flag and MVT::Other values for latency. 
- Compute CopyToReg use operand latency correctly.

llvm-svn: 117674
 2010-10-29 18:07:31 +00:00
Jim Grosbach
edec5cc6b8 Handle ARM addrmode5 instructions with an offset. 
llvm-svn: 117672
 2010-10-29 17:41:25 +00:00
John Thompson
6115a7f1d4 Inline asm multiple alternative constraints development phase 2 - improved basic logic, added initial platform support. 
llvm-svn: 117667
 2010-10-29 17:29:13 +00:00
Jim Grosbach
6f257bd31b Revert 117660. Apparently it's not as trivial as that... 
llvm-svn: 117663
 2010-10-29 16:50:53 +00:00
Jim Grosbach
8c9a2ee86e ARM addrmode5 instructions have neither writeback nor post-indexed modes. 
llvm-svn: 117660
 2010-10-29 16:38:59 +00:00
Jim Grosbach
29961ebfc5 Trailing whitespace. 
llvm-svn: 117651
 2010-10-29 14:46:02 +00:00
Benjamin Kramer
f2442da5f6 ARMAsmParser: Plug a memory leak. 
llvm-svn: 117648
 2010-10-29 09:43:39 +00:00
Eric Christopher
930a767468 Add an unreachable to silence warning - the switch is actually 
fully enumerated.

llvm-svn: 117647
 2010-10-29 09:26:59 +00:00
Chris Lattner
115cd02d22 add simple support for addrmode5 operands, allowing 
vldr.64 to work.  I have no idea if this is fully right, but 
it is in the right direction.

llvm-svn: 117626
 2010-10-29 00:27:31 +00:00
Chris Lattner
ef237e6013 give better error diagnostics, for example: 
t.s:1:14: error: invalid operand for instruction
vldr.64	d17, [r0]   
       	     ^

instead of:

t.s:1:1: error: unrecognized instruction
vldr.64	d17, [r0]   
^

llvm-svn: 117611
 2010-10-28 21:41:58 +00:00
Chris Lattner
ba1e908431 hook up getOpcodeName for ARM so that "llc -show-mc-inst" includes 
the opcode string in the inst dump, e.g.:
	vmov	r2, r3, d17             @ encoding: [0x31,0x2b,0x53,0xec]
                                        @ <MCInst #989 VMOVRRD
                                        @  <MCOperand Reg:68>
                                        @  <MCOperand Reg:69>
                                        @  <MCOperand Reg:19>
                                        @  <MCOperand Imm:14>
                                        @  <MCOperand Reg:0>>

The "VMOVRRD" is new.

llvm-svn: 117609
 2010-10-28 21:37:33 +00:00
Chris Lattner
4210ffb9c5 move a method out of line. 
llvm-svn: 117605
 2010-10-28 21:28:01 +00:00
Chris Lattner
b6c7a9e204 remove the rest of hte owningptr's, no functionality change. 
llvm-svn: 117603
 2010-10-28 20:52:15 +00:00
Jim Grosbach
d02c1c7d77 PLD, PLDW, PLI encodings, plus refactor their use of addrmode2. 
llvm-svn: 117571
 2010-10-28 18:34:10 +00:00
Chris Lattner
0a21ad2553 rearrange ParseRegisterList. 
llvm-svn: 117560
 2010-10-28 17:23:41 +00:00
Chris Lattner
a9c0f00f10 refactor some code to simplify it, eliminating some owningptr's. 
llvm-svn: 117559
 2010-10-28 17:20:03 +00:00
Evan Cheng
bc4588c439 Re-commit 117518 and 117519 now that ARM MC test failures are out of the way. 
llvm-svn: 117531
 2010-10-28 06:47:08 +00:00
Evan Cheng
fdc80a0316 Revert 117518 and 117519 for now. They changed scheduling and cause MC tests to fail. Ugh. 
llvm-svn: 117520
 2010-10-28 02:00:25 +00:00
Evan Cheng
5c358e02ea - Assign load / store with shifter op address modes the right itinerary classes. 
- For now, loads of [r, r] addressing mode is the same as the
  [r, r lsl/lsr/asr #] variants. ARMBaseInstrInfo::getOperandLatency() should
  identify the former case and reduce the output latency by 1.
- Also identify [r, r << 2] case. This special form of shifter addressing mode
  is "free".

llvm-svn: 117519
 2010-10-28 01:49:06 +00:00
Owen Anderson
e75f7c5419 Add correct NEON encodings for vtbl and vtbx. 
llvm-svn: 117513
 2010-10-28 00:18:46 +00:00
Owen Anderson
008116cb71 Add correct NEON encodings for vext, vtrn, vuzp, and vzip. 
llvm-svn: 117512
 2010-10-27 23:56:39 +00:00
Bob Wilson
2f8b69b196 Fix compiler warnings about signed/unsigned comparisons. 
llvm-svn: 117511
 2010-10-27 23:49:00 +00:00
Evan Cheng
44d2802e1d Shifter ops are not always free. Do not fold them (especially to form 
complex load / store addressing mode) when they have higher cost and
when they have more than one use.

llvm-svn: 117509
 2010-10-27 23:41:30 +00:00
Jim Grosbach
86ecfda983 Refactor ARM STR/STRB instruction patterns into STR{B}i12 and STR{B}rs, like 
the LDR instructions have. This makes the literal/register forms of the
instructions explicit and allows us to assign scheduling itineraries
appropriately. rdar://8477752

llvm-svn: 117505
 2010-10-27 23:12:14 +00:00
Owen Anderson
9437a20a72 Provide correct encodings for NEON vcvt, which has its own special immediate encoding 
for specifying fractional bits for fixed point conversions.

llvm-svn: 117501
 2010-10-27 22:49:00 +00:00
Jim Grosbach
1d5b71b3cc Trailing whitespace 
llvm-svn: 117496
 2010-10-27 21:39:08 +00:00
Owen Anderson
d28d229ded Provide correct encodings for the get_lane and set_lane variants of vmov. 
llvm-svn: 117495
 2010-10-27 21:28:09 +00:00
Jim Grosbach
db7ba38ca4 JIT imm12 encoding for constant pool entry references. 
llvm-svn: 117483
 2010-10-27 20:39:40 +00:00
Bob Wilson
cdc8dff3ac SelectionDAG shuffle nodes do not allow operands with different numbers of 
elements than the result vector type.  So, when an instruction like:

%8 = shufflevector <2 x float> %4, <2 x float> %7, <4 x i32> <i32 1, i32 0, i32 3, i32 2>

is translated to a DAG, each operand is changed to a concat_vectors node that appends 2 undef elements.  That is:

shuffle [a,b], [c,d] is changed to:
shuffle [a,b,u,u], [c,d,u,u]

That's probably the right thing for x86 but for NEON, we'd much rather have:

shuffle [a,b,c,d], undef

Teach the DAG combiner how to do that transformation for ARM.  Radar 8597007.

llvm-svn: 117482
 2010-10-27 20:38:28 +00:00
Jim Grosbach
0df1207e99 ARM JIT fix for LDRi12 and company. 
llvm-svn: 117478
 2010-10-27 19:55:59 +00:00
Owen Anderson
7c46fcfee4 Provide correct NEON encodings for vdup. 
llvm-svn: 117475
 2010-10-27 19:25:54 +00:00
Jim Grosbach
5d4415c6b0 The new LDR* instruction patterns should handle the necessary encoding of 
operands in the TableGen'erated bits, so we don't need to do the additional
magic explicitly.

llvm-svn: 117461
 2010-10-27 17:52:51 +00:00
Owen Anderson
c8757eb137 Add correct NEON encodings for vsli and vsri. 
llvm-svn: 117459
 2010-10-27 17:40:08 +00:00
Owen Anderson
e64b7187a9 Add correct NEON encodings for vsra and vrsra. 
llvm-svn: 117458
 2010-10-27 17:29:29 +00:00
Jim Grosbach
09eab01a37 The immediate operands of an LDRi12 instruction doesn't need the addrmode2 
encoding tricks. Handle the 'imm doesn't fit in the insn' case.

llvm-svn: 117454
 2010-10-27 16:50:31 +00:00
Jim Grosbach
5ccda16fe2 LDRi12 machine instructions handle negative offset operands normally (simple 
integer values), not with the addrmode2 encoding.

llvm-svn: 117429
 2010-10-27 01:19:41 +00:00
Jim Grosbach
6453c7cdf9 One more spot where the new arm mode LDR instruction representation 
doesn't need the additional addrmode2 register operand. Missed it the first
time around.

llvm-svn: 117421
 2010-10-27 00:38:16 +00:00
Jim Grosbach
4d4caf1384 Split ARM::LDRB into LDRBi12 and LDRBrs. Adjust accordingly. Continuing on 
rdar://8477752.

llvm-svn: 117419
 2010-10-27 00:19:44 +00:00
Jim Grosbach
625e128d29 Since I parameterized this bit, I should probably actually use said parameter. 
llvm-svn: 117418
 2010-10-26 23:58:04 +00:00
Owen Anderson
1dc05f20e2 Add correct NEON encodings for vqshl, vqshrn, vqshrun, vqrshl, vqshrn, and vqrshrun. 
llvm-svn: 117411
 2010-10-26 22:50:46 +00:00
Jim Grosbach
30f6744f05 First part of refactoring ARM addrmode2 (load/store) instructions to be more 
explicit about the operands. Split out the different variants into separate
instructions. This gives us the ability to, among other things, assign
different scheduling itineraries to the variants. rdar://8477752.

llvm-svn: 117409
 2010-10-26 22:37:02 +00:00
Owen Anderson
55c0bad37d Correct NEON encodings for vshrn, vrshl, vrshr, vrshrn. 
llvm-svn: 117402
 2010-10-26 21:58:41 +00:00
Owen Anderson
570a4cdc45 Simplify classes for shift instructions, which are never commutable. 
llvm-svn: 117398
 2010-10-26 21:13:59 +00:00
Owen Anderson
0cecbd810e Provide correct NEON encodings for vshl, register and immediate forms. 
llvm-svn: 117394
 2010-10-26 20:56:57 +00:00
Jim Grosbach
04cd5e5841 Grammar. 
llvm-svn: 117388
 2010-10-26 19:34:41 +00:00
Jim Grosbach
db5b1d93c2 Nuke extraneous comment. It's applicable elsewhere, but not in this func. 
llvm-svn: 117387
 2010-10-26 19:22:23 +00:00
Owen Anderson
d8e5d26a56 Add correct NEON encoding for vpadal. 
llvm-svn: 117380
 2010-10-26 18:18:03 +00:00
Owen Anderson
b7618a821f Add NEON encodings for vmov and vmvn of immediates. 
llvm-svn: 117374
 2010-10-26 17:40:54 +00:00
Evan Cheng
324e678bb7 Use instruction itinerary to determine what instructions are 'cheap'. 
llvm-svn: 117348
 2010-10-26 02:08:50 +00:00
Evan Cheng
59acb7e4cf NEON vmov's are in Neon domain. 
llvm-svn: 117347
 2010-10-26 02:03:05 +00:00
Bob Wilson
abe62128b5 Tidy up redundant check. 
llvm-svn: 117331
 2010-10-26 00:02:19 +00:00
Rafael Espindola
5fecad6a27 Produce the headers directly in the Finish method. This allows us to use 
the existing streamer methods that are endian safe.

llvm-svn: 117323
 2010-10-25 22:26:55 +00:00
Owen Anderson
e5e0dcd665 Add correct encodings for NEON vabal. 
llvm-svn: 117315
 2010-10-25 21:29:04 +00:00
Owen Anderson
3eff0b86a5 Add correct NEON encodings for vaba. 
llvm-svn: 117309
 2010-10-25 20:52:57 +00:00
Owen Anderson
61f5b3f2dc Attempt to provide correct encodings for NEON vbit and vbif, even though we can't test them at the moment. 
llvm-svn: 117294
 2010-10-25 20:17:22 +00:00
Owen Anderson
072692331e Provide correct NEON encodings for vbsl. 
llvm-svn: 117293
 2010-10-25 20:13:13 +00:00
Jim Grosbach
1a13b873e7 imm12 operands aren't Thumb2 only, so rename the printer helper function. 
llvm-svn: 117291
 2010-10-25 20:00:01 +00:00
Owen Anderson
59e85cbd66 Add correct instruction encodings for vbic, vorn, and vmvn. 
llvm-svn: 117282
 2010-10-25 18:43:52 +00:00
Rafael Espindola
7f67e5ad77 Add a virtual destructor. 
llvm-svn: 117280
 2010-10-25 18:38:32 +00:00
Owen Anderson
2824342fac Provide correct NEON encodings for vand, veor, and vorr. 
llvm-svn: 117279
 2010-10-25 18:28:30 +00:00
Owen Anderson
ba261b092c Add NEON encoding tests for vcgt and vacgt. 
llvm-svn: 117276
 2010-10-25 18:03:59 +00:00
Rafael Espindola
5748458e7d Add support for emitting ARM file attributes. 
llvm-svn: 117275
 2010-10-25 17:50:35 +00:00
Owen Anderson
3a5f798790 Add tests for NEON encodings of vcge and vacge. 
llvm-svn: 117274
 2010-10-25 17:49:32 +00:00
Owen Anderson
757022131f Add a warning about our inability to test the encoding of vceq with immediate zero. 
llvm-svn: 117273
 2010-10-25 17:33:02 +00:00
Eric Christopher
0dab5810aa Move rejection of NEON parameters earlier in fast isel call processing, 
note that we can actually handle some f64 arguments.

llvm-svn: 117209
 2010-10-23 09:37:17 +00:00
Chandler Carruth
7dd652736f Move the remaining attribute macros to systematic names based on the attribute 
name and prefixed with 'LLVM_'.

llvm-svn: 117203
 2010-10-23 08:40:19 +00:00
Chandler Carruth
7799a873bb Switch attribute macros to use 'LLVM_' as a prefix. We retain the old names 
until other LLVM projects using these are cleaned up.

llvm-svn: 117200
 2010-10-23 08:10:43 +00:00
Evan Cheng
71b2f935db Enable ARM fastcc. 
llvm-svn: 117194
 2010-10-23 02:19:37 +00:00
Evan Cheng
132906a2d3 Latency between CPSR def and branch is zero. 
llvm-svn: 117192
 2010-10-23 02:04:38 +00:00
Jim Grosbach
6d65ad0408 Trailing whitespace. 
llvm-svn: 117188
 2010-10-22 23:48:29 +00:00
Gabor Greif
6e58dbc9e4 fix memory-layout assumption which only holds on little-endian systems 
llvm-svn: 117176
 2010-10-22 23:16:11 +00:00
Jim Grosbach
bba77cca02 ARM mode encoding information for CLZ, RBIT, REV*, and PKH*. 
llvm-svn: 117165
 2010-10-22 22:12:16 +00:00
Evan Cheng
20b70697bb Transfer implicit ops when forming load multiple and return instructions. 
llvm-svn: 117151
 2010-10-22 21:29:58 +00:00
Owen Anderson
424434414e Add correct NEON encodings for vqdmlal. 
llvm-svn: 117134
 2010-10-22 19:35:48 +00:00
Jim Grosbach
10195e9b73 Add the encoding information for the rest of the ARM mode multiply instructions. 
llvm-svn: 117133
 2010-10-22 19:15:30 +00:00
Owen Anderson
2bbdc62e17 Provide correct encodings for NEON vmlal. 
llvm-svn: 117131
 2010-10-22 19:05:25 +00:00
Evan Cheng
e5b7a3a09f Silence compiler warnings. 
llvm-svn: 117128
 2010-10-22 18:57:05 +00:00
Owen Anderson
ada2b33321 Provide correct NEON encodings for vmla. 
llvm-svn: 117126
 2010-10-22 18:54:37 +00:00
Jim Grosbach
ca2897a0ca More ARM multiply instuction binary encodings. 
llvm-svn: 117121
 2010-10-22 18:35:16 +00:00
Evan Cheng
efac5b5f8d Add fastcc cc: pass and return VFP / NEON values in registers. Controlled by -arm-fastcc for now. 
llvm-svn: 117119
 2010-10-22 18:23:05 +00:00
Jim Grosbach
eabb7c5bd1 Parameterize a bit of ARM encoding information, simplifying some instruction 
definitions.

llvm-svn: 117114
 2010-10-22 17:42:06 +00:00
Jim Grosbach
0ae6bf8095 More ARM multiply instruction encoding information. 
llvm-svn: 117108
 2010-10-22 17:16:17 +00:00
Wesley Peck
488027efa3 Making the e_machine configurable by the target backend in ELFObjectWriter. 
llvm-svn: 117099
 2010-10-22 15:52:49 +00:00
Eric Christopher
58a6e62c08 Add some basic ret instruction support to arm fast-isel. 
llvm-svn: 117085
 2010-10-22 01:28:00 +00:00
Jim Grosbach
d86073aa9a ARM binary encoding for some of the multiply instructions. 
llvm-svn: 117080
 2010-10-21 22:52:30 +00:00
Jim Grosbach
7c42142b71 ARM binary encodings for MVN variants. 
llvm-svn: 117076
 2010-10-21 22:19:32 +00:00
Jim Grosbach
cb41e97b5c ARM Binary encoding information for BFC/BFI instructions. 
llvm-svn: 117072
 2010-10-21 22:03:21 +00:00
Eric Christopher
59683c9d71 These don't need to be virtual. 
llvm-svn: 117068
 2010-10-21 21:47:51 +00:00
Owen Anderson
f84632744e Move the encoding logic for Q registers into getMachineOpValue(). 
llvm-svn: 117060
 2010-10-21 20:49:13 +00:00
Owen Anderson
ba2ac80921 ARM encodes Q registers as 2xregno (i.e. the number of the D register that corresponds to the lower 
half of the Q register), rather than with just regno.  This allows us to unify the encodings for
a lot of different NEON instrucitons that differ only in whether they have Q or D register operands.

llvm-svn: 117056
 2010-10-21 20:21:49 +00:00
Eric Christopher
7ded7e88c8 Handle storing args to the stack for calls. 
llvm-svn: 117055
 2010-10-21 20:09:54 +00:00
Eric Christopher
b15029ea7e More load/store refactoring, call reg+offset simplification from within 
the emitter to handle the addresses. Only simplify the offset if we need
to - also fix bug where in addrmode 5 we weren't dividing the offset by
4, which showed up due to not always lowering.

llvm-svn: 117051
 2010-10-21 19:40:30 +00:00
Jim Grosbach
f35d3b2aa1 trailing whitespace 
llvm-svn: 117050
 2010-10-21 19:38:40 +00:00