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f7531e7697
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4288 Commits

Author SHA1 Message Date
Jim Grosbach
f7531e7697 Add FIXME. 
llvm-svn: 127516
 2011-03-12 00:51:00 +00:00
Jim Grosbach
555d910477 Pseudo-ize the ARM Darwin *r9 call instruction definitions. They're the same 
actual instruction as the non-Darwin defs, but have different call-clobber
semantics and so need separate patterns. They don't need to duplicate the
encoding information, however.

llvm-svn: 127515
 2011-03-12 00:45:26 +00:00
Jim Grosbach
923c731f15 Add a FIXME. 
llvm-svn: 127511
 2011-03-11 23:25:21 +00:00
Jim Grosbach
daffeb06fb Pseudo-ize the ARM 'B' instruction. 
llvm-svn: 127510
 2011-03-11 23:24:15 +00:00
Jim Grosbach
2226dfbea2 Remove dead code. These ARM instruction definitions no longer exist. 
llvm-svn: 127509
 2011-03-11 23:15:02 +00:00
Jim Grosbach
009af69d6d Pseudo-ize VMOVDcc and VMOVScc. 
llvm-svn: 127506
 2011-03-11 23:09:50 +00:00
Jim Grosbach
61ff87cd2d 80 columns 
llvm-svn: 127505
 2011-03-11 23:00:16 +00:00
Jim Grosbach
27eaca3e0d Properly pseudo-ize the ARM LDMIA_RET instruction. This has the nice side- 
effect that we get proper instruction printing using the "pop" mnemonic for it.

llvm-svn: 127502
 2011-03-11 22:51:41 +00:00
Jim Grosbach
ee6075cda5 ARM VDUPfd and VDUPfq can just be patterns. The instruction is the same 
as for VDUP32d and VDUP32q, respectively.

llvm-svn: 127489
 2011-03-11 20:44:08 +00:00
Jim Grosbach
3329263352 ARM VDUPLNfq and VDUPLNfd definitions can just be Pat<>s for VDUPLN32q 
and VDUPLN32d, respectively.

llvm-svn: 127486
 2011-03-11 20:31:17 +00:00
Jim Grosbach
431682981d ARM VREV64df and VREV64qf can just be patterns. The instruction is the same 
as for VREV64d32 and VREV64q32, respectively.

llvm-svn: 127485
 2011-03-11 20:18:05 +00:00
Jim Grosbach
fff6ff502b This FIXME has been fixed. 
llvm-svn: 127483
 2011-03-11 20:07:37 +00:00
Jim Grosbach
2ecded3a94 Properly pseudo-ize ARM MVNCCi. 
llvm-svn: 127482
 2011-03-11 19:55:55 +00:00
Jim Grosbach
39804c0b44 Fix MOVCCi32imm to be have ARM-mode Requires and a proper size (8 bytes, was 4). 
llvm-svn: 127469
 2011-03-11 18:00:42 +00:00
Jim Grosbach
ed45ac390c Properly pseudo-ize ARM MOVCCi and MOVCCi16. 
llvm-svn: 127442
 2011-03-11 01:09:28 +00:00
Jim Grosbach
1986d9ac8f Properly pseudo-ize MOVCCr and MOVCCs. 
llvm-svn: 127434
 2011-03-10 23:56:09 +00:00
Jim Grosbach
5891b1323a DMB can just be a pat referencing MCR. 
llvm-svn: 127423
 2011-03-10 19:27:17 +00:00
Jim Grosbach
4b74ef6ca9 Reorganize a bit. No functional change, just moving patterns up. 
llvm-svn: 127422
 2011-03-10 19:21:08 +00:00
Jim Grosbach
db549a7f6c Pseudo-instructions are codegenonly by definition. 
llvm-svn: 127420
 2011-03-10 19:06:39 +00:00
Johnny Chen
6bf5d7a170 LLVM combines the offset mode of A8.6.199 A1 & A2 into STRBT. 
The insufficient encoding information of the combined instruction confuses the decoder wrt
UQADD16.  Add extra logic to recover from that.

Fixed an assert reported by Sean Callanan

llvm-svn: 127354
 2011-03-09 20:01:14 +00:00
Bill Wendling
68934338ab * Correct encoding for VSRI. 
* Add tests for VSRI and VSLI.

llvm-svn: 127297
 2011-03-09 00:33:17 +00:00
Bill Wendling
b790c462c0 Correct the encoding for VRSRA and VSRA instructions. 
llvm-svn: 127294
 2011-03-09 00:00:35 +00:00
Bill Wendling
ab9f04b6d8 * Fix VRSHR and VSHR to have the correct encoding for the immediate. 
* Update the NEON shift instruction test to expect what 'as' produces.

llvm-svn: 127293
 2011-03-08 23:48:09 +00:00
Bob Wilson
f8c4d1ded9 Fix a compiler crash where a Glue value had multiple uses. Radar 9049552. 
llvm-svn: 127198
 2011-03-08 01:17:20 +00:00
Bob Wilson
94403e6221 Fix comment typos. 
llvm-svn: 127197
 2011-03-08 01:17:16 +00:00
Bill Wendling
958e854f40 Rename the narrow shift right immediate operands to "shr_imm*" operands. Also 
expand the testing of the narrowing shift right instructions.

No functionality change.

llvm-svn: 127193
 2011-03-07 23:38:41 +00:00
Cameron Zwarich
a1920d7f51 Move getRegPressureLimit() from TargetLoweringInfo to TargetRegisterInfo. 
llvm-svn: 127175
 2011-03-07 21:56:36 +00:00
Anton Korobeynikov
8c7010e832 ARM assembler stuff is crazy: for .setfp positive values of offset corresponds to "add" instruction, not to "sub" as in .pad case 
llvm-svn: 127106
 2011-03-05 18:44:00 +00:00
Anton Korobeynikov
f15e269356 In Thumb1 mode the constant might be materialized via the load from constpool. Emit unwinding information in case when this load from constpool is used to change the stack pointer in the prologue. 
llvm-svn: 127105
 2011-03-05 18:43:55 +00:00
Anton Korobeynikov
d8873d31a8 Implement frame unwinding information emission for Thumb1. Not finished yet because there is no way given the constpool index to examine the actual entry: the reason is clones inserted by constant island pass, which are not tracked at all! The only connection is done during asmprinting time via magic label names which is really gross and needs to be eventually fixed. 
llvm-svn: 127104
 2011-03-05 18:43:50 +00:00
Anton Korobeynikov
d4828b54ec Add unwind information emission for thumb stuff 
llvm-svn: 127103
 2011-03-05 18:43:43 +00:00
Anton Korobeynikov
7ba97c2831 Handle MI flags inside Thumb2SizeReduction pass. 
llvm-svn: 127102
 2011-03-05 18:43:38 +00:00
Anton Korobeynikov
917ca94111 Preliminary support for ARM frame save directives emission via MI flags. 
This is just very first approximation how the stuff should be done
(e.g. ARM-only for now). More to follow.

llvm-svn: 127101
 2011-03-05 18:43:32 +00:00
Anton Korobeynikov
62e48532b9 Some first rudimentary support for ARM EHABI: print exception table in "text mode". 
llvm-svn: 127099
 2011-03-05 18:43:15 +00:00
Bob Wilson
1497601a7b Remove unused conditional negate operations. 
llvm-svn: 127090
 2011-03-05 16:54:31 +00:00
Devang Patel
23ee9fdba3 Disable ARMGlobalMerge on darwin. The debugger is not yet able to extract individual variable's info from merged global. 
llvm-svn: 127019
 2011-03-04 19:11:05 +00:00
Bob Wilson
c48ba54186 PR8053: Fix encoding of S bit in some ARM instructions. 
Patch by Zonr Chang!

llvm-svn: 126967
 2011-03-03 23:07:15 +00:00
Bob Wilson
72ccdfe148 Add a readme entry for the redundant movw issue for pr9370. 
llvm-svn: 126930
 2011-03-03 06:39:09 +00:00
Bob Wilson
42f80596ca pr9367: Add missing predicated BLX instructions. 
Patch by Jyun-Yan You, with some minor adjustments and a testcase from me.

llvm-svn: 126915
 2011-03-03 01:41:01 +00:00
Kevin Enderby
58cc960338 Fixes an assertion failure while disassembling ARM rsbs reg/reg form. 
Patch by Ted Kremenek!

llvm-svn: 126895
 2011-03-02 23:08:33 +00:00
Renato Golin
967b93c6e3 Fixing a bug when printing fpu text to object file. Patch by Mans Rullgard. 
llvm-svn: 126882
 2011-03-02 21:20:09 +00:00
Bill Wendling
304dda7810 Narrow right shifts need to encode their immediates differently from a normal 
shift.

   16-bit: imm6<5:3> = '001', 8 - <imm> is encded in imm6<2:0>
   32-bit: imm6<5:4> = '01',16 - <imm> is encded in imm6<3:0>
   64-bit: imm6<5> = '1', 32 - <imm> is encded in imm6<4:0>

llvm-svn: 126723
 2011-03-01 01:00:59 +00:00
Renato Golin
986151bc09 Fix .fpu printing in ARM assembly, regarding bug http://llvm.org/bugs/show_bug.cgi?id=8931 
llvm-svn: 126689
 2011-02-28 22:04:27 +00:00
Kevin Enderby
da76779962 Add missing whitespace in the formatting. 
llvm-svn: 126687
 2011-02-28 21:45:12 +00:00
Kevin Enderby
a1c2ea4ba0 Fix the arm's disassembler for blx that was building an MCInst without the 
needed two predicate operands before the imm operand.

llvm-svn: 126662
 2011-02-28 18:46:31 +00:00
Evan Cheng
4e6d375744 Fix a typo which cause dag combine crash. rdar://9059537. 
llvm-svn: 126661
 2011-02-28 18:45:27 +00:00
Stuart Hastings
539d4e1460 Support for byval parameters on ARM. Will be enabled by a forthcoming 
patch to the front-end.  Radar 7662569.

llvm-svn: 126655
 2011-02-28 17:17:53 +00:00
Bob Wilson
6bbffe19e9 Add patterns to use post-increment addressing for Neon VST1-lane instructions. 
llvm-svn: 126477
 2011-02-25 06:42:42 +00:00
Evan Cheng
56354c17d9 Fix typo. 
llvm-svn: 126467
 2011-02-25 01:29:29 +00:00
Evan Cheng
fbdcea4b2e Each prologue may have multiple vpush instructions to store callee-saved 
D registers since the vpush list may not have gaps. Make sure the stack
adjustment instruction isn't moved between them. Ditto for vpop in
epilogues.

Sorry, can't reduce a small test case.
rdar://9043312

llvm-svn: 126457
 2011-02-25 00:24:46 +00:00