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316c7bfe37
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1475 Commits

Author SHA1 Message Date
Craig Topper
316c7bfe37 Make IC_VEX* not inherit from IC_*. Prevents instructions with no VEX form from disassembling to their non-VEX form. Also prevents weak filter collisons that were keeping valid VEX instructions from decoding properly. Make VEX_L* not inherit from VEX_* because the VEX.L bit always important. This stops packed int VEX encodings from being disassembled when specified with VEX.L=1. Fixes PR10831 and PR10806. 
llvm-svn: 138997
 2011-09-02 04:17:54 +00:00
Jim Grosbach
36ea6726dd ARM 'rscs' mnemonic is carry-setting 'rsc', not 'rs' with a 'cs' condition code. 
llvm-svn: 138952
 2011-09-01 18:22:13 +00:00
Owen Anderson
d8157fabfb t2Bcc is allowed to have a predicate without a preceding IT instruction. 
llvm-svn: 138946
 2011-09-01 17:47:45 +00:00
Jim Grosbach
2b04342a91 Thumb2 assembly parsing and encoding for ADD(immediate). 
llvm-svn: 138922
 2011-09-01 00:28:52 +00:00
Owen Anderson
4024b91dbe Fix encoding for tBcc with immediate offset operand. 
llvm-svn: 138889
 2011-08-31 20:26:14 +00:00
Jim Grosbach
506f8078a8 Run the Thumb1 parser tests in Thumb2 mode, as well. 
Thumb2 is a superset of Thumb1, so all of the encodings should still work.

llvm-svn: 138883
 2011-08-31 19:50:28 +00:00
Jim Grosbach
98ba1f40ee Thumb NOP encoding varies depending on ARCH revision. 
llvm-svn: 138876
 2011-08-31 18:35:46 +00:00
Owen Anderson
f30633abbf Fix roundtripping of Thumb BL/BLX instructions with immediate offsets instead of labels. 
llvm-svn: 138874
 2011-08-31 18:30:20 +00:00
Jim Grosbach
a2f9012605 Thumb2 parsing and encoding for ADC(register). 
Also add instruction aliases for non-.w versions of SBC since they're the
same.

llvm-svn: 138871
 2011-08-31 18:23:08 +00:00
Jim Grosbach
a4c1e9d88a 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.

llvm-svn: 138862
 2011-08-31 17:07:33 +00:00
Owen Anderson
adac5b2109 Fix issues with disassembly of IT instructions involving condition codes other the EQ/NE. Discovered by roundtrip testing. 
llvm-svn: 138840
 2011-08-30 22:58:27 +00:00
Owen Anderson
a59d489162 Fix encoding of CBZ/CBNZ Thumb2 instructions with immediate offsets rather than labels. 
llvm-svn: 138837
 2011-08-30 22:15:17 +00:00
Owen Anderson
9465c7fee0 Fix encoding of PC-relative Thumb1 LDR's when using immediate offsets instead of labels. 
llvm-svn: 138835
 2011-08-30 22:10:03 +00:00
Owen Anderson
309c4b7ef6 Fix encoding of Thumb1 B instructions with immediate offsets, which is necessary for round-tripping. 
llvm-svn: 138834
 2011-08-30 22:03:20 +00:00
Owen Anderson
9d3407e7c2 Port Thumb2 assembler tests over to disassembler tests. 
llvm-svn: 138822
 2011-08-30 20:03:11 +00:00
Craig Topper
5556444bf7 Add vvvv support to disassembling of instructions with MRMDestMem and MRMDestReg form. Needed to support mem dest form of vmaskmovps/d. Fixes PR10807. 
llvm-svn: 138795
 2011-08-30 07:09:35 +00:00
Owen Anderson
4bd28c69c4 Add missing encoding information for some of the GPR<->FP register moves. 
llvm-svn: 138780
 2011-08-29 23:15:25 +00:00
Jim Grosbach
d71237315a Remove redundant tests from XFAIL'ed test file. 
llvm-svn: 138779
 2011-08-29 23:04:04 +00:00
Jim Grosbach
00dc3313fc Thumb2 assembly parsing and encoding support for ADC(immediate). 
llvm-svn: 138778
 2011-08-29 23:01:38 +00:00
Jim Grosbach
3bd8967df7 Remove test file. Superceded by other more exhaustive tests. 
llvm-svn: 138777
 2011-08-29 23:00:19 +00:00
Jim Grosbach
a1aa6a2e8b Thumb2 parsing and encoding for IT blocks. 
llvm-svn: 138773
 2011-08-29 22:24:09 +00:00
Kevin Enderby
f1aef98ad2 Fix the disassembly of the X86 crc32 instruction. Bug 10702 and rdar://8795217 
llvm-svn: 138771
 2011-08-29 22:06:28 +00:00
Owen Anderson
e14d6edccc Improve handling of #-0 offsets for many more pre-indexed addressing modes. 
llvm-svn: 138754
 2011-08-29 19:36:44 +00:00
Owen Anderson
8719e2c1c3 Add support for parsing #-0 on non-memory-operand immediate values, and add a testcase that necessitates it. 
llvm-svn: 138739
 2011-08-29 17:17:09 +00:00
Owen Anderson
fd21da3506 Improve encoding support for BLX with immediat eoperands, and fix a BLX decoding bug this uncovered. 
llvm-svn: 138675
 2011-08-26 23:32:08 +00:00
Owen Anderson
9b85a034c9 Correct encoding of BL with immediate offset. 
llvm-svn: 138673
 2011-08-26 22:54:51 +00:00
Owen Anderson
af51fd9868 invalid-LDR_PRE-arm.txt was already passing, but for the wrong reasons. We were failing to specify enough fixed bits of LDR_PRE/LDRB_PRE, resulting in decoding conflicts. Separate them into immediate vs. register versions, allowing us to specify the necessary fixed bits. This in turn results in the test being decoded properly, and being rejected as UNPREDICTABLE rather than a hard failure. 
llvm-svn: 138653
 2011-08-26 20:43:14 +00:00
Owen Anderson
86b11d01eb Support an extension of ARM asm syntax to allow immediate operands to ADR instructions. This is helpful for disassembler testing, and indeed exposed a disassembler bug that is also fixed here. 
llvm-svn: 138635
 2011-08-26 18:09:22 +00:00
Owen Anderson
485eda7687 Add a testcase for r138625. 
llvm-svn: 138626
 2011-08-26 06:45:08 +00:00
Craig Topper
b20cee1e19 Fix disassembling of VCVTSD2SI 
llvm-svn: 138623
 2011-08-26 04:49:29 +00:00
Owen Anderson
d387b48b0b Port over additional encoding tests to decoding tests, and fix an operand ordering bug this exposed. 
llvm-svn: 138575
 2011-08-25 18:30:18 +00:00
Craig Topper
5af7ba783d Give ATTR_VEX higher priority when generating the disassembler context table. Fixes disassembling of VEX instructions with 'pp'=00. Fixes subset of PR10678. 
llvm-svn: 138552
 2011-08-25 07:42:00 +00:00
Craig Topper
06ed6cb856 Add TB encoding to VEROALL, VZEROUPPER, and VCVTPS2PD to allow them to be disassembled. Fixes PR10723. 
llvm-svn: 138551
 2011-08-25 06:57:46 +00:00
Evan Cheng
7bfc442b2d Some autoconf tests use module level inline asm to test compiler's handling of 
.cfi_startproc. e.g. libffi:

 $ cat confopt.c 
asm (".cfi_startproc\n\t.cfi_endproc");

int main () { return 0; }

Teach MC / dwarf emission to handle these cfi directives which essentially
create an empty frame.

rdar://10017184

llvm-svn: 138504
 2011-08-24 22:31:37 +00:00
Jim Grosbach
aae1749f65 Update tests for 138501. 
llvm-svn: 138502
 2011-08-24 22:30:18 +00:00
Jim Grosbach
effaf1e15d Thumb parsing and encoding for SUB (SP minu immediate). 
Fix FiXME in test file. Remove FIXME for SUB (SP minus register) since that
form is Thumb2 only.

llvm-svn: 138494
 2011-08-24 21:42:27 +00:00
Jim Grosbach
b2b155a93f Thumb parsing and encoding support for ADD SP instructions. 
Fix the test FIXME and add parsing support for the ADD (SP plus immediate)
and ADD (SP plus register) instruction forms.

llvm-svn: 138488
 2011-08-24 21:22:15 +00:00
Owen Anderson
6325690c08 Port over more encoding tests to decoding tests. 
llvm-svn: 138441
 2011-08-24 17:08:34 +00:00
Jim Grosbach
f5d628146a Thumb parsing and encoding for WFE, WFI and YIELD. 
llvm-svn: 138364
 2011-08-23 20:02:30 +00:00
Jim Grosbach
9f0be95d20 Thumb parsing and encoding for UXTB and UXTH. 
llvm-svn: 138363
 2011-08-23 19:59:32 +00:00
Jim Grosbach
87c7a2b16b Thumb parsing and encoding for TST. 
llvm-svn: 138362
 2011-08-23 19:53:17 +00:00
Jim Grosbach
7ceb45dd61 Thumb parsing and encoding for SXTB and SXTH. 
llvm-svn: 138361
 2011-08-23 19:51:42 +00:00
Jim Grosbach
1f5b8e9044 Thumb parsing and encoding for SVC. 
llvm-svn: 138360
 2011-08-23 19:49:10 +00:00
Jim Grosbach
d343e1a13f Thumb parsing and encoding for SUB. 
llvm-svn: 138359
 2011-08-23 19:45:45 +00:00
Jim Grosbach
9795206370 Thumb parsing and encoding for STRH. 
llvm-svn: 138352
 2011-08-23 18:56:20 +00:00
Jim Grosbach
d507a9c6b9 Thumb parsing and encoding for STRB. 
llvm-svn: 138349
 2011-08-23 18:43:06 +00:00
Jim Grosbach
f9bc99b518 Thumb parsing and encoding for tSTRspi. 
llvm-svn: 138348
 2011-08-23 18:39:41 +00:00
Jim Grosbach
7ece5d431c Thumb parsing and encoding for STR. 
Not including tSTRspi.

llvm-svn: 138347
 2011-08-23 18:33:38 +00:00
Jim Grosbach
3b20e779cd Thumb parsing and encoding for STM. 
llvm-svn: 138345
 2011-08-23 18:15:37 +00:00
Owen Anderson
3de2d7656d Fix decoding of Thumb2 prefetch instructions, which account for all the remaining Thumb2 decoding failures found by randomized testing so far. 
llvm-svn: 138341
 2011-08-23 17:51:38 +00:00