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| author | Eric Botcazou <ebotcazou@adacore.com> | 2014-10-07 07:56:43 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2014-10-07 07:56:43 +0000 |
| commit | a35c1ac710c0bbd03f00380179a375c45c81f08a (patch) | |
| tree | ddfc6423ea43b158728db7853802890da8621bf1 /gcc/lto-opts.c | |
| parent | 7a0ca710c81d249cf8346eb243120dd6f727b354 (diff) | |
| download | gcc-a35c1ac710c0bbd03f00380179a375c45c81f08a.zip gcc-a35c1ac710c0bbd03f00380179a375c45c81f08a.tar.gz gcc-a35c1ac710c0bbd03f00380179a375c45c81f08a.tar.bz2 | |
lto-opts.c (lto_write_options): Handle -fmath-errno, -fsigned-zeros and -ftrapping-math.
* lto-opts.c (lto_write_options): Handle -fmath-errno, -fsigned-zeros
and -ftrapping-math.
* lto-wrapper.c (merge_and_complain): Likewise.
(run_gcc): Likewise.
From-SVN: r215966
Diffstat (limited to 'gcc/lto-opts.c')
| -rw-r--r-- | gcc/lto-opts.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/lto-opts.c b/gcc/lto-opts.c index 986fb97..ceccb6f 100644 --- a/gcc/lto-opts.c +++ b/gcc/lto-opts.c @@ -115,6 +115,24 @@ lto_write_options (void) default: gcc_unreachable (); } + /* The default -fmath-errno, -fsigned-zeros and -ftrapping-math change + depending on the language (they can be disabled by the Ada and Java + front-ends). Pass thru conservative standard settings. */ + if (!global_options_set.x_flag_errno_math) + append_to_collect_gcc_options (&temporary_obstack, &first_p, + global_options.x_flag_errno_math + ? "-fmath-errno" + : "-fno-math-errno"); + if (!global_options_set.x_flag_signed_zeros) + append_to_collect_gcc_options (&temporary_obstack, &first_p, + global_options.x_flag_signed_zeros + ? "-fsigned-zeros" + : "-fno-signed-zeros"); + if (!global_options_set.x_flag_trapping_math) + append_to_collect_gcc_options (&temporary_obstack, &first_p, + global_options.x_flag_trapping_math + ? "-ftrapping-math" + : "-fno-trapping-math"); /* We need to merge -f[no-]strict-overflow, -f[no-]wrapv and -f[no-]trapv conservatively, so stream out their defaults. */ if (!global_options_set.x_flag_wrapv |