diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/fortran/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/fortran/invoke.texi | 11 |
2 files changed, 13 insertions, 3 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog index fcf1599..db3bc95c 100644 --- a/gcc/fortran/ChangeLog +++ b/gcc/fortran/ChangeLog @@ -1,3 +1,8 @@ +2007-09-26 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> + + PR fortran/30780 + * invoke.texi: Add note to -ffpe-trap option. Fix typos. + 2007-09-23 Tobias Schlüter <tobi@gcc.gnu.org> PR fortran/33269 diff --git a/gcc/fortran/invoke.texi b/gcc/fortran/invoke.texi index 754974f..49ab55b 100644 --- a/gcc/fortran/invoke.texi +++ b/gcc/fortran/invoke.texi @@ -550,6 +550,11 @@ zero), @samp{overflow} (overflow in a floating point operation), @samp{precision} (loss of precision during operation) and @samp{denormal} (operation produced a denormal value). +Some of the routines in the Fortran runtime library, like +@samp{CPU_TIME}, are likely to to trigger floating point exceptions when +@code{ffpe-trap=precision} is used. For this reason, the use of +@code{ffpe-trap=precision} is not recommended. + @item -fbacktrace @opindex @code{fbacktrace} @cindex backtrace @@ -775,8 +780,8 @@ tools. Use of @option{-fno-underscoring} is not recommended unless you are experimenting with issues such as integration of GNU Fortran into -existing system environments (vis-a-vis existing libraries, tools, and -so on). +existing system environments (vis-@`{a}-vis existing libraries, tools, +and so on). For example, with @option{-funderscoring}, and assuming other defaults like @option{-fcase-lower} and that @code{j()} and @code{max_count()} are @@ -862,7 +867,7 @@ checks array indices for assumed and deferred shape arrays against the actual allocated bounds. Some checks require that @option{-fbounds-check} is set for -the compilation of the main probram. +the compilation of the main program. In the future this may also include other forms of checking, e.g., checking substring references. |