On 08/10/2016 09:51 AM, Thomas Preudhomme wrote:
diff --git a/gcc/doc/fragments.texi b/gcc/doc/fragments.texi
index
b6d8541c8ca820fa732363a05221e2cd4d1251c2..a060635c9cee7374d9d187858ac87acdd08860f2
100644
--- a/gcc/doc/fragments.texi
+++ b/gcc/doc/fragments.texi
@@ -117,12 +117,15 @@ specified, there are combinations that should not be
built. In that
case, set @code{MULTILIB_EXCEPTIONS} to be all of the switch exceptions
in shell case syntax that should not be built.
-For example the ARM processor cannot execute both hardware floating
-point instructions and the reduced size THUMB instructions at the same
-time, so there is no need to build libraries with both of these
-options enabled. Therefore @code{MULTILIB_EXCEPTIONS} is set to:
+For example on ARM targets @code{-mfloat-abi=soft} requests to use a
+softfloat implementation for floating-point operations. Therefore, it
For example, on ARM targets @option{-mfloat-abi=soft} requests use of
software floating-point operations. Therefore, it
+does not make sense to find both @code{-mfloat-abi=soft} and an
@option here too
+@code{mfpu} option on the command line so @code{MULTILIB_EXCEPTIONS}
and here @option{-mfpu}
+could contain the following exception (assuming that @code{-mfloat-abi}
@option
+comes after in MULTILIB_OPTIONS and given that soft is the default
@code markup on MULTILIB_OPTIONS?
@samp markup on soft?
+value):
@smallexample
-*mthumb/*mhard-float*
+*mfpu=*
@end smallexample
@findex MULTILIB_REQUIRED
-Sandra
