diff options
Diffstat (limited to 'gas/doc')
-rw-r--r-- | gas/doc/c-mips.texi | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gas/doc/c-mips.texi b/gas/doc/c-mips.texi index fe802a9..cb200bc 100644 --- a/gas/doc/c-mips.texi +++ b/gas/doc/c-mips.texi @@ -151,6 +151,21 @@ other assemblers, which use it to turn off C style preprocessing. With @sc{gnu} @code{@value{AS}}, there is no need for @samp{-nocpp}, because the @sc{gnu} assembler itself never runs the C preprocessor. +@item --construct-floats +@itemx --no-construct-floats +@cindex --construct-floats +@cindex --no-construct-floats +The @code{--no-construct-floats} option disables the construction of +double width floating point constants by loading the two halves of the +value into the two single width floating point registers that make up +the double width register. This feature is useful if the processor +support the FR bit in its status register, and this bit is known (by +the programmer) to be set. This bit prevents the aliasing of the double +width register by the single width registers. + +By default @code {--construct-floats} is selected, allowing construction +of these floating point constants. + @item --trap @itemx --no-break @c FIXME! (1) reflect these options (next item too) in option summaries; |