diff options
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 5 | ||||
| -rw-r--r-- | gas/doc/as.texinfo | 37 |
2 files changed, 41 insertions, 1 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 5e50df7..9f906ae 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,8 @@ +2001-06-12 Nick Clifton <nickc@cambridge.redhat.com> + + * doc/as.texinfo (Infix Ops): Document that comparison and + combiner operators can be used as infix operators. + 2001-06-12 Peter Jakubek <pjak@snafu.de> * gas/config/tc-m68k.c (parse_mri_control_operand): Fix handling diff --git a/gas/doc/as.texinfo b/gas/doc/as.texinfo index 825fb38..95825c6 100644 --- a/gas/doc/as.texinfo +++ b/gas/doc/as.texinfo @@ -3311,7 +3311,7 @@ Intermediate precedence @end table @item -Lowest Precedence +Low Precedence @table @code @cindex addition, permitted arguments @@ -3331,6 +3331,41 @@ result has the section of the left argument. If both arguments are in the same section, the result is absolute. You may not subtract arguments from different sections. @c FIXME is there still something useful to say about undefined - undefined ? + +@cindex comparison expressions +@cindex expressions, comparison +@item == +@dfn{Is Equal To} +@item <> +@dfn{Is Not Equal To} +@item < +@dfn{Is Less Than} +@itemx > +@dfn{Is Greater Than} +@itemx >= +@dfn{Is Greater Than Or Equal To} +@itemx <= +@dfn{Is Less Than Or Equal To} + +The comparison operators can be used as infix operators. A true results has a +value of -1 whereas a false result has a value of 0. Note, these operators +perform signed comparisons. +@end table + +@item Lowest Precedence + +@table @code +@item && +@dfn{Logical And}. + +@item || +@dfn{Logical Or}. + +These two logical operations can be used to combine the results of sub +expressions. Note, unlike the comparison operators a true result returns a +value of 1 but a false results does still return 0. Also note that the logical +or operator has a slightly lower precedence than logical and. + @end table @end enumerate |