diff options
Diffstat (limited to 'gas/doc/c-i386.texi')
| -rw-r--r-- | gas/doc/c-i386.texi | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/gas/doc/c-i386.texi b/gas/doc/c-i386.texi index 0733587..32f4289 100644 --- a/gas/doc/c-i386.texi +++ b/gas/doc/c-i386.texi @@ -598,10 +598,30 @@ quadruple word). @cindex encoding options, i386 @cindex encoding options, x86-64 -Different encoding options can be specified via optional mnemonic -suffix. @samp{.s} suffix swaps 2 register operands in encoding when -moving from one register to another. @samp{.d8} or @samp{.d32} suffix -prefers 8bit or 32bit displacement in encoding. +Different encoding options can be specified via pseudo prefixes: + +@itemize @bullet +@item +@samp{@{disp8@}} -- prefer 8-bit displacement. + +@item +@samp{@{disp32@}} -- prefer 32-bit displacement. + +@item +@samp{@{load@}} -- prefer load-form instruction. + +@item +@samp{@{store@}} -- prefer store-form instruction. + +@item +@samp{@{vex2@}} -- prefer 2-byte VEX prefix for VEX instruction. + +@item +@samp{@{vex3@}} -- prefer 3-byte VEX prefix for VEX instruction. + +@item +@samp{@{evex@}} -- encode with EVEX prefix. +@end itemize @cindex conversion instructions, i386 @cindex i386 conversion instructions |