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Author SHA1 Message Date
Owen Anderson
27049dbce3 Tests for NEON encoding of vrev. 
llvm-svn: 117502
 2010-10-27 22:54:49 +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
Rafael Espindola
68ec803155 Add support for R_386_TLS_GD, R_386_TLS_LE_32, R_386_TLS_IE and R_386_TLS_LE. 
llvm-svn: 117494
 2010-10-27 21:23:52 +00:00
Kevin Enderby
a53cc6a764 Added the x86 instruction ud2b (2nd official undefined instruction). 
llvm-svn: 117485
 2010-10-27 20:46:49 +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
Rafael Espindola
2ea1239070 Implement R_X86_64_GOTTPOFF, R_X86_64_TLSGD and R_X86_64_TPOFF32. 
llvm-svn: 117481
 2010-10-27 20:28:07 +00:00
Jim Grosbach
0df1207e99 ARM JIT fix for LDRi12 and company. 
llvm-svn: 117478
 2010-10-27 19:55:59 +00:00
Benjamin Kramer
a79201f572 Replace pointer arithmetic with StringRef::substr. 
llvm-svn: 117477
 2010-10-27 19:53:52 +00:00
Owen Anderson
7c46fcfee4 Provide correct NEON encodings for vdup. 
llvm-svn: 117475
 2010-10-27 19:25:54 +00:00
Michael J. Spencer
5518dda87e x86-Win32: Switch ftol2 calling convention from stdcall to C. 
llvm-svn: 117474
 2010-10-27 18:52:38 +00:00
Michael J. Spencer
bf82646290 COFF: Add IMAGE_SCN_MEM_READ to text sections. 
There are currently 100 references to COFF::IMAGE_SCN in 6 files
and 11 different functions. Section to attribute mapping really
needs to happen in one place to avoid problems like this.

llvm-svn: 117473
 2010-10-27 18:52:29 +00:00
Michael J. Spencer
fc69783598 Fix whitespace. 
llvm-svn: 117472
 2010-10-27 18:52:20 +00:00
Rafael Espindola
4db628cd34 Set default type and flags for .init and .fini. 
llvm-svn: 117471
 2010-10-27 18:45:20 +00:00
Owen Anderson
dbed42aff5 Tests for NEON encoding of vmovl, vmovn, vqmovn, and vqmovun. 
llvm-svn: 117469
 2010-10-27 18:17:12 +00:00
Devang Patel
6c3a77ab58 Give a name to nameless argument. 
llvm-svn: 117468
 2010-10-27 18:08:31 +00:00
Owen Anderson
25d75e80ba Tests for NEON encoding of vcls, vclz, and vcnt. 
llvm-svn: 117466
 2010-10-27 18:05:25 +00:00
Owen Anderson
a5643da004 Tests for NEON encoding of vneg and vqneg. 
llvm-svn: 117463
 2010-10-27 17:57:26 +00:00
Rafael Espindola
ca302c994a Produce an error for an invalid use of .symver. 
llvm-svn: 117462
 2010-10-27 17:56:18 +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
32da0e6e3f Tests for NEON encoding of vabs and vqabs. 
llvm-svn: 117460
 2010-10-27 17:50:07 +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
ddd67f8e88 Formatting. 
llvm-svn: 117453
 2010-10-27 16:30:18 +00:00
Rafael Espindola
58a0ea80a4 Symbols defined as the difference of other two end up in the ABS section. 
llvm-svn: 117451
 2010-10-27 16:04:30 +00:00
Rafael Espindola
23d05a8675 Add support for the .symver directive. This is really ugly, but most of it is 
contained in the ELF object writer.

llvm-svn: 117448
 2010-10-27 15:18:17 +00:00
Rafael Espindola
f5b4013598 Move more logic to isInSymtab and simplify. 
llvm-svn: 117447
 2010-10-27 14:44:52 +00:00
Mikhail Glushenkov
df4eb2e516 80-col violation. 
llvm-svn: 117443
 2010-10-27 09:09:10 +00:00
Mikhail Glushenkov
5eeaebe9b8 Remove try/catch(...) from Win32/Signals.inc. 
catch(...) is used in Win32/Signals.inc for catching Win32 structured
exceptions, but according to [1], this is wrong.

We can't simply change try/catch to __try/__finally, since this syntax is not
supported by MinGW. We can use __try/__finally on MSVC and __try1/__except1
macros on MinGW [2], but I think that that solution obfuscates the code too
much.

The use of try/catch(...) in Signals.inc makes it impossible to link
MinGW-compiled libSystem with llvm-gcc compiled executables. I propose that we
just remove try/catch(...) from Signals.inc, since the meaning of the code won't
change.

[1] http://members.cox.net/doug_web/eh.htm
[2] http://article.gmane.org/gmane.comp.compilers.llvm.cvs/81315

llvm-svn: 117442
 2010-10-27 09:09:04 +00:00
Mikhail Glushenkov
64c0814208 It is confusing to call a random-access iterator 'InputIterator'. 
llvm-svn: 117441
 2010-10-27 07:39:54 +00:00
Mikhail Glushenkov
a52646c12e Trailing whitespace. 
llvm-svn: 117440
 2010-10-27 07:39:48 +00:00
Kevin Enderby
74a2614673 Yet another tweak to X86 instructions to add ud2a as an alias to ud2 
(still to add ud2b).

llvm-svn: 117435
 2010-10-27 03:01:02 +00:00
Kevin Enderby
d22f3b9de7 Another tweak to X86 instructions to add the missing flex instruction (without 
the wait prefix).

llvm-svn: 117434
 2010-10-27 02:53:04 +00:00
Kevin Enderby
e812b356cc Tweaks to X86 instructions to allow the 'w' suffix in places it makes 
sense, when the instruction takes the 16-bit ax register or m16 memory
location.  These changes to llvm-mc matches what the darwin assembler
allows for these instructions.  Done differently than in r117031 that
caused a valgrind error which was later reverted.

llvm-svn: 117433
 2010-10-27 02:32:19 +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
Bill Wendling
bead915338 Random cleanups and format changes. 
llvm-svn: 117428
 2010-10-27 01:07:41 +00:00
Kevin Enderby
d5235bb45c Added some aliases to the fcomip and fucompi Intel instructions. So that llvm-mc 
will accept versions that the darwin assembler allows.  Forms ending in "pi" and
forms without all the operands.

llvm-svn: 117427
 2010-10-27 00:59:28 +00:00
Jakob Stoklund Olesen
66180b2c06 Handle critical loop predecessors by making both inside and outside registers 
live out.

This doesn't prevent us from inserting a loop preheader later on, if that is
better.

llvm-svn: 117424
 2010-10-27 00:39:07 +00:00
Jakob Stoklund Olesen
514eb703b8 Compute critical loop predecessors in the same way as critical loop exits. 
Critical edges going into a loop are not as bad as critical exits. We can handle
them by splitting the critical edge, or by having both inside and outside
registers live out of the predecessor.

llvm-svn: 117423
 2010-10-27 00:39:05 +00:00
Jakob Stoklund Olesen
4701c56446 Physical registers trivially have multiple connected components all the time. 
Only virtuals should be requires to be connected.

llvm-svn: 117422
 2010-10-27 00:39:01 +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
Wesley Peck
854507453a Adding disassembler to the MicroBlaze backend. 
llvm-svn: 117420
 2010-10-27 00:23:01 +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
Dan Gohman
3200547546 Enable clang autocompletion by default. 
llvm-svn: 117415
 2010-10-26 23:24:54 +00:00
Dale Johannesen
e7f07349e4 Use a MemIntrinsicSDNode for ISD::PREFETCH, which touches 
memory, so a MachineMemOperand is useful (not propagated
into the MachineInstr yet).  No functional change except
for dump output.

llvm-svn: 117413
 2010-10-26 23:11:10 +00:00
Andrew Trick
6363e80ded Remove the vector of live vregs. I thought we would need to track 
them, but hopefully we won't. And this is not the right data structure
to do it anyway.

llvm-svn: 117412
 2010-10-26 22:58:24 +00:00