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327 Commits

Author SHA1 Message Date
James Molloy
85be8f7f88 Teach the MC and disassembler about SoftFail, and hook it up to UNPREDICTABLE on ARM. Wire this to tBLX in order to provide test coverage. 
llvm-svn: 150169
 2012-02-09 10:56:31 +00:00
Craig Topper
b4db8689ee Add disassembler support for VPERMIL2PD and VPERMIL2PS. 
llvm-svn: 147368
 2011-12-30 06:23:39 +00:00
Craig Topper
089be4fefa Add FMA4 instructions to disassembler. 
llvm-svn: 147367
 2011-12-30 05:20:36 +00:00
Craig Topper
97e84c23a1 Fix execution domains for PS/PD FMA3 instructions. Add SS/SD forms o FMA3 instructions. 
llvm-svn: 147353
 2011-12-29 20:43:40 +00:00
Craig Topper
bcfd070378 Expose FMA3 instructions to the disassembler. 
llvm-svn: 147351
 2011-12-29 20:03:14 +00:00
Jim Grosbach
44829ab9d2 ARM NEON VST2 assembly parsing and encoding. 
Work in progress. Parsing for non-writeback, single spaced register lists
works now. The rest have the representations better factored, but still
need more to be able to parse properly.

llvm-svn: 146579
 2011-12-14 19:35:22 +00:00
Wesley Peck
13edec82a8 Add several new instructions supported by the latest MicroBlaze. 
These instructions are not generated by the backend yet, this will come in a later commit.

llvm-svn: 145161
 2011-11-27 05:16:58 +00:00
Owen Anderson
35f049f1fb Fix an ambiguous decoding where we failed to properly decode VMOVv2f32 and VMOVv4f32. 
llvm-svn: 144683
 2011-11-15 19:55:00 +00:00
Jim Grosbach
4a2f107b04 ARM VLDR/VSTR instructions don't need a size suffix. 
Canonicallize on the non-suffixed form, but continue to accept assembly that
has any correctly sized type suffix.

llvm-svn: 144583
 2011-11-14 23:03:21 +00:00
Benjamin Kramer
89ebc7ab4b Simplify some uses of utohexstr. 
As a side effect hex is printed lowercase instead of uppercase now.

llvm-svn: 144013
 2011-11-07 21:00:59 +00:00
Owen Anderson
ac9fd95057 Fix the issue that r143552 was trying to address the _right_ way. One-register lists are legal on LDM/STM instructions, but we should not print the PUSH/POP aliases when they appear. This fixes round tripping on this instruction. 
llvm-svn: 143557
 2011-11-02 18:03:14 +00:00
Owen Anderson
0d69f6aa51 Fix disassembly of some VST1 instructions. 
llvm-svn: 143507
 2011-11-01 22:18:13 +00:00
Owen Anderson
d7700cb13f More not-crashing NEON disassembly updates for the vld refactoring. 
llvm-svn: 143351
 2011-10-31 17:17:32 +00:00
Owen Anderson
9e033c5b03 Fix illegal disassembly testcase. 
llvm-svn: 143231
 2011-10-28 21:45:09 +00:00
Owen Anderson
3dd6c949a5 Reapply r143202, with a manual decoding hook for SWP. This change inadvertantly exposed a decoding ambiguity between SWP and CPS that the auto-generated decoder can't handle. 
llvm-svn: 143208
 2011-10-28 18:02:13 +00:00
Owen Anderson
f22cd77ceb Add testcase for r143162. 
llvm-svn: 143163
 2011-10-27 22:54:14 +00:00
Owen Anderson
b0e09258e7 Fix a NEON disassembly case that was broken in the recent refactorings. As more of this code gets refactored, a lot of these manual decoding hooks should get smaller and/or go away entirely. 
llvm-svn: 142817
 2011-10-24 18:04:29 +00:00
Craig Topper
3cb62dca0f Add X86 SARX, SHRX, and SHLX instructions. 
llvm-svn: 142779
 2011-10-23 22:18:24 +00:00
Craig Topper
0e63b4485c Add X86 RORX instruction 
llvm-svn: 142741
 2011-10-23 07:34:00 +00:00
Craig Topper
7019cf1b80 Add X86 MULX instruction for disassembler. 
llvm-svn: 142738
 2011-10-23 00:33:32 +00:00
Owen Anderson
2021ad2133 Revert r142618, r142622, and r142624, which were based on an incorrect reading of the ARMv7 docs. 
llvm-svn: 142626
 2011-10-20 22:23:58 +00:00
Owen Anderson
8067075218 Fix decoding tests for fixed MSR encodings. 
llvm-svn: 142624
 2011-10-20 22:01:48 +00:00
Craig Topper
b1fa647871 Rename PEXTR to PEXT. Add intrinsics for BMI instructions. 
llvm-svn: 142480
 2011-10-19 07:48:35 +00:00
Craig Topper
6c900d9810 Add X86 PEXTR and PDEP instructions. 
llvm-svn: 142141
 2011-10-16 16:50:08 +00:00
Craig Topper
2cd868184c Add X86 BZHI instruction as well as BMI2 feature detection. 
llvm-svn: 142122
 2011-10-16 07:55:05 +00:00
Craig Topper
91b4292682 Add X86 INVPCID instruction. Add 32/64-bit predicates to INVEPT, INVVPID, VMREAD, and VMWRITE to remove hack from X86RecognizableInstr. 
llvm-svn: 142117
 2011-10-16 07:05:40 +00:00
Craig Topper
4c6357d4af Add X86 BEXTR instruction. This instruction uses VEX.vvvv to encode Operand 3 instead of Operand 2 so needs special casing in the disassembler and code emitter. Ultimately, should pass this information from tablegen 
llvm-svn: 142105
 2011-10-16 03:51:13 +00:00
Craig Topper
62e63d9bb9 Add support for X86 blsr, blsmsk, and blsi instructions. Required extra work because these are the first VEX encoded instructions to use the reg field as an opcode extension. 
llvm-svn: 142082
 2011-10-15 20:46:47 +00:00
Craig Topper
0a11eb1b21 Add X86 ANDN instruction. Including instruction selection. 
llvm-svn: 141947
 2011-10-14 07:06:56 +00:00
Craig Topper
6b2120a8e1 Add X86 TZCNT instruction and patterns to select it. Also added core-avx2 processor which is gcc's name for Haswell. 
llvm-svn: 141939
 2011-10-14 03:21:46 +00:00
Bill Wendling
2a571af745 Revert r141854 because it was causing failures: 
http://lab.llvm.org:8011/builders/llvm-x86_64-linux/builds/101

--- Reverse-merging r141854 into '.':
U    test/MC/Disassembler/X86/x86-32.txt
U    test/MC/Disassembler/X86/simple-tests.txt
D    test/CodeGen/X86/bmi.ll
U    lib/Target/X86/X86InstrInfo.td
U    lib/Target/X86/X86ISelLowering.cpp
U    lib/Target/X86/X86.td
U    lib/Target/X86/X86Subtarget.h

llvm-svn: 141857
 2011-10-13 07:48:07 +00:00
Craig Topper
eb29e18c9b Add X86 TZCNT instruction and patterns to select it. Also added core-avx2 processor which is gcc's name for Haswell. 
llvm-svn: 141854
 2011-10-13 07:09:14 +00:00
Jim Grosbach
422576b6e8 Thumb2 assembly parsing and encoding for LDC/STC. 
llvm-svn: 141811
 2011-10-12 20:54:17 +00:00
Jim Grosbach
313a74d565 Update test for r141704. 
llvm-svn: 141705
 2011-10-11 20:18:50 +00:00
Craig Topper
c498c5c0e6 Add X86 LZCNT instruction. Including instruction selection support. 
llvm-svn: 141651
 2011-10-11 06:44:02 +00:00
Craig Topper
7ae42fbd7e Fix disassembling of popcntw. Also remove some code that says it accounts for 64BIT_REXW_XD not existing, but it does exist. 
llvm-svn: 141642
 2011-10-11 04:34:23 +00:00
Jakob Stoklund Olesen
f46c756068 Insert dummy ED table entries for pseudo-instructions. 
The table is indexed by opcode, so simply removing pseudo-instructions
creates a wrong mapping from opcode to table entry.

Add a test case for xorps which has a very high opcode that exposes this
problem.

llvm-svn: 141562
 2011-10-10 18:30:16 +00:00
Craig Topper
9b7ab95570 Add Ivy Bridge 16-bit floating point conversion instructions for the X86 disassembler. 
llvm-svn: 141505
 2011-10-09 07:31:39 +00:00
Craig Topper
761bf0e7d3 Add X86 disassembler support for RDFSBASE, RDGSBASE, WRFSBASE, and WRGSBASE. 
llvm-svn: 141358
 2011-10-07 07:02:24 +00:00
Craig Topper
71e09ffe7b Add X86 disassembler support for XSAVE, XRSTOR, and XSAVEOPT. 
llvm-svn: 141354
 2011-10-07 05:53:50 +00:00
Craig Topper
9d32602cfd Add support in the disassembler for ignoring the L-bit on certain VEX instructions. Mark instructions that have this behavior. Fixes PR10676. 
llvm-svn: 141065
 2011-10-04 06:30:42 +00:00
Craig Topper
df04bee9b2 Add support for MOVBE and RDRAND instructions for the assembler and disassembler. Includes feature flag checking, but no instrinsic support. Fixes PR10832, PR11026 and PR11027. 
llvm-svn: 141007
 2011-10-03 17:28:23 +00:00
Craig Topper
4456c94f70 Treat VEX.vvvv as a 3-bit field outside of 64-bit mode. Prevents access to registers xmm8-xmm15 outside 64-bit mode. 
llvm-svn: 140997
 2011-10-03 08:14:29 +00:00
Craig Topper
a3372bd949 Test updates that were supposed to go with r140993. 
llvm-svn: 140994
 2011-10-03 07:53:59 +00:00
Craig Topper
f776e3b410 Fix some Intel syntax disassembly issues with instructions that implicitly use AL/AX/EAX/RAX such as ADD/SUB/ADC/SUBB/XOR/OR/AND/CMP/MOV/TEST. 
llvm-svn: 140974
 2011-10-02 21:08:12 +00:00
Craig Topper
5c8feca34f Special case disassembler handling of REX.B prefix on NOP instruction to decode as XCHG R8D, EAX instead. Fixes PR10344. 
llvm-svn: 140971
 2011-10-02 16:56:09 +00:00
Craig Topper
43fd621df8 Fix disassembling of INVEPT and INVVPID to take operands 
llvm-svn: 140955
 2011-10-01 21:20:14 +00:00
Craig Topper
99ad3cc23e Fix disassembler handling of CRC32 which is an odd instruction that uses 0xf2 as an opcode extension and allows the opsize prefix. This necessitated adding IC_XD_OPSIZE and IC_64BIT_XD_OPSIZE contexts. Unfortunately, this increases the size of the disassembler tables. Fixes PR10702. 
llvm-svn: 140954
 2011-10-01 19:54:56 +00:00
James Molloy
c4fcff419c Check in a patch that has already been code reviewed by Owen that I'd forgotten to commit. 
Build on previous patches to successfully distinguish between an M-series and A/R-series MSR and MRS instruction. These take different mask names and have a *slightly* different opcode format.

Add decoder and disassembler tests.

Improvement on the previous patch - successfully distinguish between valid v6m and v7m masks (one is a subset of the other). The patch had to be edited slightly to apply to ToT.

llvm-svn: 140696
 2011-09-28 14:21:38 +00:00
Owen Anderson
bfb83aae27 Fix an incorrect decoder test. 
llvm-svn: 140579
 2011-09-26 23:08:34 +00:00