mirror/gcc
2
0
Fork 0
mirror of git://gcc.gnu.org/git/gcc.git synced 2025-04-11 10:40:47 +08:00
Code Issues Packages Projects Releases Wiki Activity

re PR libfortran/30780 (FPE in CPU_TIME (and possibly others) with -ffpe-trap=underflow)

Browse Source 
PR fortran/30780
	* invoke.texi: Add note to -ffpe-trap option. Fix typos.

From-SVN: r128825
This commit is contained in:
Francois-Xavier Coudert 2007-09-26 22:27:16 +00:00 committed by François-Xavier Coudert
parent 4f99f3d0e5
commit 8307c61b92
2 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
gcc/fortran/ChangeLog
View File

@ -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

11
gcc/fortran/invoke.texi
View File

@ -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.