GNU as syntax : GNU as (AT&T) syntax for *86 CPUs
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created by |
René Köcher |
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script type |
syntax |
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description |
This file defines a (almost) complete syntax for GNU as assembler.
My motivation in writing this was the lack of a complete, working syntax for this
common assembler.
For now the basic as directives as well as the Intel / AMD instruction sets are included.
Opcodes supporting a size suffix are recognised plain as well as suffixed with b/w/l/q.
== NOTE ON UPDATES
Please note that the whole project is now hosted on github - see https://github.com/HealsCodes/vim-gas/
I will try to keep the latest version available on vim.org however there is no 100% guarantee.
Github offers the flexibility for everyone to easily participate and help me enhance this project.
== Supported instructions a per version 0.6:
-- X86 common instruction set (8086 - 686)
-- Katmai Streaming SIMD instructions (SSE -- a.k.a. KNI, XMM, MMX2)
-- Introduced in Deschutes but necessary for SSE support
-- XSAVE group (AVX and extended state)
-- Generic memory operations
-- New MMX instructions introduced in Katmai
-- AMD Enhanced 3DNow! (Athlon) instructions
-- Willamette SSE2 Cacheability Instructions
-- Willamette MMX instructions (SSE2 SIMD Integer Instructions)
-- Willamette Streaming SIMD instructions (SSE2)
-- Prescott New Instructions (SSE3)
-- VMX Instructions
-- Extended Page Tables VMX instructions
-- Tejas New Instructions (SSSE3)
-- AMD SSE4A
-- New instructions in Barcelona
-- Penryn New Instructions (SSE4.1)
-- Nehalem New Instructions (SSE4.2)
-- AMD SSE5 instructions
-- Intel SMX
-- Geode (Cyrix) 3DNow! additions
-- Intel AES instructions
-- Intel AVX AES instructions
-- Intel AVX instructions
-- Intel Carry-Less Multiplication instructions (CLMUL)
-- Intel AVX Carry-Less Multiplication instructions (CLMUL)
-- Intel Fused Multiply-Add instructions (FMA)
-- VIA (Centaur) security instructions
-- AMD XOP, FMA4 and CVT16 instructions (SSE5)
-- Systematic names for the hinting nop instructions
-- AVR
-- ARM (thumb)
You can set different highlighting for each set listed above by adding a line like this to you .vimrc:
hi def link gasOpcodeX86_PENT_SSE <some_highlighting>
screenshot here: http://skitch.com/shirkrin/neq8c/gnu-as-syntax-for-vim
== per-file opcode enable / disable
Since version 0.6 it is possible to disable sets of opcodes by either CPU they where introduced in or by their extension name.
This is done by setting a special variable recognized by gas.vim to the list of disabled opcodes.
E.g.
" globally disable all x86_64 opcodes
:let g:gasDisableOpcodes='x86_64'
" disable SSE and SSE2 for this buffer
let b:gasDisableOpcodes='sse sse2'
Disabled opcodes will be highlighted as errors.
recognized CPU groups:
186, 286, 386, 3862, 486, 8086, amd, future, ia64, katmai, nehalem,
p6, pentium_m, pentium, prescott, sandybridge, hasswell, x64, x642, x86_64
recognized extension groups:
base, 3dnow, mmx, mmx2, sse, sse2, sse3, ssse3, sse4.1, sse4.2, sse4a,
sse5, avx, fma, vmx, avx, avx2
I hope this syntax file will be useful to other people
- but don't blame me if it doesn't suit your needs.
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install details |
Copy to .vim/syntax/ in your home folder.
Add this line to the end of your file:
/* vim: ft=gas :
*/
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script versions (upload new version)
Click on the package to download.
gas.vim |
0.15 |
2021-11-30 |
7.0 |
René Köcher |
Add various new intel instructions as well as support for AVR and ARM |
gas.vim |
0.9 |
2013-08-15 |
7.0 |
René Köcher |
Add support for pop{,b,w,l,q} opcodes - credit goes to Hal Ashburner who provided the patch. |
gas.vim |
0.8 |
2009-12-29 |
6.0 |
René Köcher |
Implemented some enhancements suggested by M. Herrmann:
- add *inc* as keyword (not inc[bwlq])
- add '#' as comment character (without loosing C preprocessor support)
- fix a few mnemonics which don't comply with b/w/l/q suffixes |
gas.vim |
0.7 |
2009-11-27 |
6.0 |
René Köcher |
minor tweaks / fixes (popfl, stosl, typos in a few registers) |
gas.vim |
0.6 |
2009-11-26 |
6.0 |
René Köcher |
Redone all opcodes - they where generated from a static opcode table and <b,w,l,q> suffixes are now recognized only
for opcodes that really support them.
New feature to disable opcodes (highlighted as Error) by either CPU or extension type.
Set g:gasDisableOpcodes or b:gasDisableOpcodes to a space-separated list of CPU's or Extensions:
E.g. leg b:gasDisableOpcodes='x86_64 sse sse2'
CPUs:
186, 286, 386, 3862, 486, 8086, amd, future, ia64, katmai, nehalem,
p6, pentium_m, pentium, prescott, sandybridge, x64, x642, x86_64
Extensions:
base, 3dnow, mmx, mmx2, sse, sse2, sse3, ssse3, sse4.1, sse4.2, sse4a, sse5, avx, fma, vmx |
gas.vim |
0.5 |
2009-11-26 |
6.0 |
René Köcher |
- improved syntax synchronizing
- fixed strings with nested quotes
- support for c-style pre-processor tags (via c.vim)
Known Bugs:
Pre-processor tokens require an extra blank line to not mix up the following assembler statement. |
gas.vim |
0.4 |
2009-11-21 |
6.0 |
René Köcher |
Fixed an issue where braces and brackets would be shown as part of symbols. |
ip used for rating: 18.97.14.89
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