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36 Commits

Author SHA1 Message Date
Craig Topper 9e6dc8b9e7 Change unsigned to a uint16_t in static disassembler tables to reduce the table size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163594 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-11 04:19:21 +00:00
Craig Topper 5a2c607153 Add more indirection to the disassembler tables to reduce amount of space used to store the operand types and encodings. Store only the unique combinations in a separate table and store indices in the instruction table. Saves about 32K of static data. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161101 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-08-01 07:39:18 +00:00
Craig Topper 19dbe2f5f0 Use uint8_t to store the InstructionContext table. Saves 768 bytes of static data. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161034 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-07-31 06:15:39 +00:00
Craig Topper de9e333e18 Tidy up. Move for loop index declarations into for statements. Use unsigned instead of uint16_t for loop indices. Use unsigned instead of uint32_t for arguments to raw_ostream.indent. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161033 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-07-31 06:02:05 +00:00
Craig Topper e08789f5e2 Tidy up function argument formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161032 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-07-31 05:42:02 +00:00
Craig Topper 9840009ff8 Remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161030 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-07-31 05:27:01 +00:00
Craig Topper 991271d9c4 Use uint8_t instead of enums to store values in X86 disassembler table. Shaves 150k off the size of X86DisassemblerDecoder.o 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151995 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-04 02:16:41 +00:00
Craig Topper 930a1ebd92 X86 disassembler support for jcxz, jecxz, and jrcxz. Fixes PR11643. Patch by Kay Tiong Khoo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151510 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 01:54:29 +00:00
Ahmed Charles b0934ab7d8 Remove dead code. Improve llvm_unreachable text. Simplify some control flow. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150918 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-19 11:37:01 +00:00
Benjamin Kramer 953362cdfb Reuse the enum names from X86Desc in the X86Disassembler. 
This requires some gymnastics to make it available for C code. Remove the names
from the disassembler tables, making them relocation free.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150303 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-11 14:50:54 +00:00
Craig Topper f41ab77847 More tweaks to get the size of the X86 disassembler tables down. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150167 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 08:58:07 +00:00
Craig Topper ce8f4c58d8 Flatten some of the arrays in the X86 disassembler tables to reduce space needed to store pointers on 64-bit hosts and reduce relocations needed at startup. Part of PR11953. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150161 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 07:45:30 +00:00
David Blaikie fdebc38523 Remove unreachable code. (replace with llvm_unreachable to help GCC where necessary) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148284 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-17 04:43:56 +00:00
Craig Topper c8eb880a7f More AVX2 instructions and their intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143895 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-06 23:04:08 +00:00
Craig Topper 29480fd798 Fix disassembling of popcntw. Also remove some code that says it accounts for 64BIT_REXW_XD not existing, but it does exist. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141642 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-11 04:34:23 +00:00
Craig Topper 25f6dfd108 Revert part of r141274. Only need to change encoding for xchg %eax, %eax in 64-bit mode. This is because in 64-bit mode xchg %eax, %eax implies zeroing the upper 32-bits of RAX which makes it not a NOP. In 32-bit mode using NOP encoding is fine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141353 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-07 05:35:38 +00:00
Craig Topper 6744a17dcf Add support in the disassembler for ignoring the L-bit on certain VEX instructions. Mark instructions that have this behavior. Fixes PR10676. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141065 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-04 06:30:42 +00:00
Craig Topper 42fbe9aa06 Fix typo in r140954. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140962 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-02 04:54:26 +00:00
Craig Topper e1b4a1a07e 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140954 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-01 19:54:56 +00:00
Peter Collingbourne 7c78888887 Move TableGen's parser and entry point into a library 
This is the first step towards splitting LLVM and Clang's tblgen executables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140951 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-01 16:41:13 +00:00
Craig Topper 4da632e6e0 Don't allow 32-bit only instructions to be disassembled in 64-bit mode. Fixes part of PR10700. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140370 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-23 06:57:25 +00:00
Craig Topper 842f58f9be Fix disassembling of PAUSE instruction. Fixes PR10900. Also fixed NOP disassembling to ignore OpSize and REX.W. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139484 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-11 20:23:20 +00:00
Craig Topper 5ffedb9352 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138997 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 04:17:54 +00:00
Craig Topper 113061d39b Give ATTR_VEX higher priority when generating the disassembler context table. Fixes disassembling of VEX instructions with 'pp'=00. Fixes subset of PR10678. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138552 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 07:42:00 +00:00
Joerg Sonnenberger 4a8ac8de1d Add support for the VIA PadLock instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128826 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-04 16:58:13 +00:00