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authorJie Zhang <jie.zhang@analog.com>2007-08-24 02:36:34 +0000
committerJie Zhang <jiez@gcc.gnu.org>2007-08-24 02:36:34 +0000
commit2c117a21b0260d2a5dd72729f34cef4a1324b538 (patch)
treea3457a9c9bbc3c4800069b476716f5f02848d190 /gcc/doc
parent424a8b56b51f401c002fd9fd2ad9b3db31c1c0a3 (diff)
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bfin.opt (mfast-fp): Add.
* config/bfin/bfin.opt (mfast-fp): Add. * config/bfin/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Let libbffastfp override libgcc if -mfast-fp. * config/bfin/bfin.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise. * doc/invoke.texi (Option Summary): Mention -mfast-fp. (Blackfin Options): Document -mfast-fp. From-SVN: r127757
Diffstat (limited to 'gcc/doc')
-rw-r--r--gcc/doc/invoke.texi8
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 4b1219b..8279e59 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -450,7 +450,7 @@ Objective-C and Objective-C++ Dialects}.
-mstack-check-l1 -mid-shared-library -mno-id-shared-library @gol
-mshared-library-id=@var{n} -mleaf-id-shared-library @gol
-mno-leaf-id-shared-library -msep-data -mno-sep-data -mlong-calls @gol
--mno-long-calls}
+-mno-long-calls -mfast-fp}
@emph{CRIS Options}
@gccoptlist{-mcpu=@var{cpu} -march=@var{cpu} -mtune=@var{cpu} @gol
@@ -8612,6 +8612,12 @@ This feature is not enabled by default. Specifying
@option{-mno-long-calls} will restore the default behavior. Note these
switches have no effect on how the compiler generates code to handle
function calls via function pointers.
+
+@item -mfast-fp
+@opindex mfast-fp
+Link with the fast floating-point library. This library relaxes some of
+the IEEE floating-point standard's rules for checking inputs against
+Not-a-Number (NAN), in the interest of performance.
@end table
@node CRIS Options