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Commit Graph

1342 Commits

Author SHA1 Message Date
Owen Anderson
cd94fca93d Fix decoding LDRSB and LDRSH in Thumb1 mode. Patch by James Molloy.
llvm-svn: 137636
2011-08-15 19:00:06 +00:00
Owen Anderson
894585de33 Fix problems decoding the to/from-lane NEON memory instructions, and add a comprehensive NEON decoding testcase.
llvm-svn: 137635
2011-08-15 18:44:44 +00:00
Owen Anderson
2ea55a0881 Fix some remaining issues with decoding ARM-mode memory instructions, and add another batch of tests.
llvm-svn: 137502
2011-08-12 20:36:11 +00:00
Owen Anderson
9d85cab3d5 Port over the basic ARM encodings test file to a decoding test file. Greatly increases our test coverage of basic ARM-mode instructions.
llvm-svn: 137495
2011-08-12 19:42:45 +00:00
Jim Grosbach
d154fc4c8f Tidy up formatting.
llvm-svn: 137471
2011-08-12 17:43:31 +00:00
Jim Grosbach
1cfe8c24d5 Tidy up formatting.
llvm-svn: 137464
2011-08-12 17:01:02 +00:00
Benjamin Kramer
e404b3e2d1 MachOWriter: Don't crash on fixups with arithmetic, emit a relocation instead. This matches what as does.
llvm-svn: 137414
2011-08-12 01:51:29 +00:00
Jim Grosbach
ade39d38e1 Clean up formatting a bit.
llvm-svn: 137393
2011-08-11 23:57:17 +00:00
Jim Grosbach
d17df06881 ARM vector compare to zero instruction assembly parsing support.
llvm-svn: 137389
2011-08-11 23:51:13 +00:00
Jim Grosbach
41ef68eb17 Fix tests per now-correct encoding as of r137371.
llvm-svn: 137376
2011-08-11 22:31:48 +00:00
Jim Grosbach
edefbb31c3 ARM STRT assembly parsing and encoding.
llvm-svn: 137372
2011-08-11 22:18:00 +00:00
Jim Grosbach
ed8a320007 ARM load shifted register pre-index fix shift value asm parser encoding.
llvm-svn: 137367
2011-08-11 22:05:09 +00:00
Jim Grosbach
609316e481 ARM STRHT assembly parsing and encoding.
llvm-svn: 137358
2011-08-11 21:39:41 +00:00
Jim Grosbach
5c12d41c95 ARM STRH assembly parsing and encoding.
llvm-svn: 137353
2011-08-11 21:17:22 +00:00
Owen Anderson
4618d77bcd Fix decoding for indexed STRB and LDRB. Fixes <rdar://problem/9926161>.
llvm-svn: 137347
2011-08-11 20:47:56 +00:00
Owen Anderson
1ec4fcb5d3 Improve operand validation for Thumb2 addressing modes.
llvm-svn: 137344
2011-08-11 20:40:40 +00:00
Jim Grosbach
81b2835f83 ARM STRD assembly parsing and encoding.
llvm-svn: 137342
2011-08-11 20:28:23 +00:00
Owen Anderson
73e7d34732 Continue to tighten decoding by performing more operand validation.
llvm-svn: 137340
2011-08-11 20:21:46 +00:00
Jim Grosbach
bfc85134c2 ARM STRBT assembly parsing and encoding.
llvm-svn: 137337
2011-08-11 20:04:56 +00:00
Jim Grosbach
87f0f921b5 Add FIXME.
llvm-svn: 137336
2011-08-11 19:43:42 +00:00
Jim Grosbach
a6572a1201 ARM STRB assembly parsing and encoding tests.
llvm-svn: 137335
2011-08-11 19:42:58 +00:00
Jim Grosbach
9673dc9e01 Fix a copy/paste error so that LDRB(register) actually gets tested.
llvm-svn: 137333
2011-08-11 19:34:23 +00:00
Jim Grosbach
986a3eb0b2 ARM STR(register) assembly parsing and encoding tests.
llvm-svn: 137332
2011-08-11 19:26:17 +00:00
Jim Grosbach
e6bd3a1ab8 ARM STR(immediate) assembly parsing and encoding.
llvm-svn: 137331
2011-08-11 19:22:40 +00:00
Owen Anderson
63ccfdccd1 Tighten decoding of addrmode2 instructions to reject more UNPREDICTABLE cases.
llvm-svn: 137325
2011-08-11 19:00:18 +00:00
Owen Anderson
decc5fcced Tighten operand decoding of addrmode2 instruction. The offset register cannot be PC.
llvm-svn: 137323
2011-08-11 18:55:42 +00:00
Owen Anderson
707fcaca0e Correct immediate range for shifter operands. Patch by James Molloy, with additional encoding fixes added by me.
llvm-svn: 137322
2011-08-11 18:41:59 +00:00
Owen Anderson
8d6b9f063f Improve error checking in the new ARM disassembler. Patch by James Molloy.
llvm-svn: 137320
2011-08-11 18:24:51 +00:00
Jim Grosbach
9717a9c0d3 ARM push of a single register encodes as pre-indexed STR.
Per the ARM ARM, a 'push' of a single register encodes as an STR,
not an STM.

llvm-svn: 137318
2011-08-11 18:07:11 +00:00
Jim Grosbach
abaaf4513f ARM pop of a single register encodes as post-indexed LDR.
Per the ARM ARM, a 'pop' of a single register encodes as an LDR,
not an LDM.

llvm-svn: 137316
2011-08-11 17:35:48 +00:00
Jim Grosbach
eb96dd6c99 ARM tests for LDRSHT assembly parsing and encoding.
llvm-svn: 137274
2011-08-10 23:18:30 +00:00
Jim Grosbach
e2cc6866d1 ARM tests for LDRSH assembly parsing and encoding.
llvm-svn: 137272
2011-08-10 23:12:25 +00:00
Jim Grosbach
f65a625648 ARM tests for LDRSBT assembly parsing and encoding.
llvm-svn: 137271
2011-08-10 23:08:56 +00:00
Jim Grosbach
e22ad37645 ARM tests for LDRSB assembly parsing and encoding.
llvm-svn: 137270
2011-08-10 23:06:44 +00:00
Jim Grosbach
f291232aa1 Add FIXME.
llvm-svn: 137265
2011-08-10 22:56:43 +00:00
Jim Grosbach
5c5f1c8305 ARM tests for LDRHT assembly parsing and encoding.
llvm-svn: 137263
2011-08-10 22:55:38 +00:00
Jim Grosbach
7c1596bf26 ARM tests for LDRH(register) assembly parsing and encoding.
llvm-svn: 137261
2011-08-10 22:45:42 +00:00
Jim Grosbach
e0ccd6b34e ARM LDRH(immediate) assembly parsing and encoding support.
llvm-svn: 137260
2011-08-10 22:42:16 +00:00
Jim Grosbach
e0c10a6d0c Add FIXME
llvm-svn: 137258
2011-08-10 22:20:38 +00:00
Jim Grosbach
4ad2dc8bb2 ARM LDRD(register) assembly parsing and encoding.
Add support for literal encoding of #-0 along the way.

llvm-svn: 137254
2011-08-10 21:56:18 +00:00
Jim Grosbach
bbef0044c8 ARM LDRD(immediate) assembly parsing and encoding support.
llvm-svn: 137244
2011-08-10 20:29:19 +00:00
Owen Anderson
0fde7a84ee Add initial support for decoding NEON instructions in Thumb2 mode.
llvm-svn: 137236
2011-08-10 19:01:10 +00:00
Owen Anderson
87b5ce880a Push GPRnopc through a large number of instruction definitions to tighten operand decoding.
llvm-svn: 137189
2011-08-10 00:03:03 +00:00
Owen Anderson
b717d71aa1 Tighten operand checking of register-shifted-register operands.
llvm-svn: 137180
2011-08-09 23:33:27 +00:00
Owen Anderson
62faf296dd Tighten operand checking on memory barrier instructions.
llvm-svn: 137176
2011-08-09 23:25:42 +00:00
Owen Anderson
869ce85500 Tighten operand checking on CPS instructions.
llvm-svn: 137172
2011-08-09 23:05:39 +00:00
Owen Anderson
8ad37f68a2 Create a new register class for the set of all GPRs except the PC. Use it to tighten our decoding of BFI.
llvm-svn: 137168
2011-08-09 22:48:45 +00:00
Benjamin Kramer
ca48bdfd5b ARM Disassembler: sign extend branch immediates.
Not sure about BLXi, but this is what the old disassembler did.

llvm-svn: 137156
2011-08-09 22:02:50 +00:00
Owen Anderson
2aa4c7e391 Tighten Thumb1 branch predicate decoding.
llvm-svn: 137146
2011-08-09 21:07:45 +00:00
Owen Anderson
ffe1c55752 Replace the existing ARM disassembler with a new one based on the FixedLenDecoderEmitter.
This new disassembler can correctly decode all the testcases that the old one did, though
some "expected failure" testcases are XFAIL'd for now because it is not (yet) as strict in
operand checking as the old one was.

llvm-svn: 137144
2011-08-09 20:55:18 +00:00