Stanislav Shwartsman
eb348992c2
optimize POPCNT implementation
2012-09-21 14:56:56 +00:00
Stanislav Shwartsman
cc694377b9
Standartization of Bochs instruction handlers.
...
Bochs instruction emulation handlers won't refer to direct fields of instructions like MODRM.NNN or MODRM.RM anymore.
Use generic source/destination indications like SRC1, SRC2 and DST.
All handlers are modified to support new notation. In addition fetchDecode module was modified to assign sources to instructions properly.
Immediate benefits:
- Removal of several duplicated handlers (FMA3 duplicated with FMA4 is a trivial example)
- Simpler to understand fetch-decode code
Future benefits:
- Integration of disassembler into Bochs CPU module, ability to disasm bx_instruction_c instance (planned)
Huge patch. Almost all source files wre modified.
2012-08-05 13:52:40 +00:00
Stanislav Shwartsman
8cb359fab5
fixed flags handling for BMI instructions
2011-11-27 13:23:26 +00:00
Stanislav Shwartsman
1f5e036695
lzcnt/tzcnt bmi instructions implemented
2011-08-31 20:43:47 +00:00
Stanislav Shwartsman
002c86660a
reword all the CPU code in preparation for future CPU speedup implementation.
...
Bochs emulation can be another 10-15% faster using technique described in paper
"Fast Microcode Interpretation with Transactional Commit/Abort"
http://amas-bt.cs.virginia.edu/2011proceedings/amasbt2011-p3.pdf
2011-07-06 20:01:18 +00:00
Stanislav Shwartsman
2c168b2855
bugfix
2011-06-28 18:53:20 +00:00
Stanislav Shwartsman
08ba847ce4
fix bug inserted with prev commit + cleanup
2011-06-28 16:04:40 +00:00
Stanislav Shwartsman
f765b9fc58
cleanup
2011-06-27 19:48:13 +00:00
Volker Ruppert
c78026a9a2
- deleted executable properties from source files
2011-04-03 10:29:19 +00:00
Stanislav Shwartsman
7d80a6ebe0
Adding Id and Rev property to all files
2011-02-24 21:54:04 +00:00
Stanislav Shwartsman
49c85b07f6
Fixed address size wrap
2010-10-18 22:19:45 +00:00
Stanislav Shwartsman
033a20b3b2
allow to configure CPU features at runtime - implemened on example of SSE/AES/MOVBE/POPCNT
2010-02-25 22:04:31 +00:00
Stanislav Shwartsman
c841eaa953
fixes and cleanups in disasm and decoder
2010-02-09 19:44:25 +00:00
Stanislav Shwartsman
bd60e0264c
change Copyright to Bochs Project
2009-12-04 16:53:12 +00:00
Stanislav Shwartsman
9929e6ed78
- updated FSF address
2009-01-16 18:18:59 +00:00
Stanislav Shwartsman
a8adb36dc2
Implemented MOVBE Intel Atom(R) instruction
2008-08-11 18:53:24 +00:00
Stanislav Shwartsman
b61017e5b6
Split more opcodes using new LOAD technique
2008-08-10 21:16:12 +00:00
Stanislav Shwartsman
1da5943f1a
More use of LOAD_Ex method
2008-08-10 19:34:28 +00:00
Stanislav Shwartsman
5dd02b26e3
Make even more efficient RmAddr calculation - good optimizing compiler could make more efficient code than it was before
2008-08-08 09:22:49 +00:00
Stanislav Shwartsman
709d74728d
Call #UD exception directly instead of UndefinedOpcode function - for future use
2008-07-13 15:35:10 +00:00
Stanislav Shwartsman
e9ec4fda48
Some chnages for future use
2008-07-13 10:44:34 +00:00
Stanislav Shwartsman
cf47fab9d0
Fixed address size wrap in the bittest/set instructions
2008-04-25 07:40:51 +00:00
Stanislav Shwartsman
167c7075fb
Use fastcall gcc attribute for all cpu execution functions - this pure "compiler helper" optimization brings additional 2% speedup to Bochs code
2008-03-22 21:29:41 +00:00
Stanislav Shwartsman
cdcd7522aa
Added RIP to the GPR register file as lst register
...
This allowed to optimize (read - remove) two more BxResolve methods in 64-bit mode
+ Some white space cleanup
2008-02-15 19:03:54 +00:00
Stanislav Shwartsman
37fbb82baa
Cleanups. Move bxInstruction_c definition to separate file instr.h
2008-01-29 17:13:10 +00:00
Stanislav Shwartsman
9ec2c87aaa
cleanups and optimizations
2008-01-22 16:20:30 +00:00
Stanislav Shwartsman
d9984bb3a1
Eliminate BxResolve call from the heart of cpu loop and move into instructions that really require this calculation. Yes, it blows the code of EVERY CPU method but it has >15% speedup !
2008-01-10 19:37:56 +00:00
Stanislav Shwartsman
838fb2a048
Fixing V2008 warnings - they found a bug in sse_pfp.cc !
2007-12-23 17:21:28 +00:00
Stanislav Shwartsman
5d4e32b8da
Avoid pointer params for every read_virtual_* except 16-byte SSE and 10-byte x87 reads
2007-12-20 20:58:38 +00:00
Stanislav Shwartsman
976af56f6d
Split bit.cc to 4 files - new files bit16/32/64.cc
2007-12-07 10:59:18 +00:00
