diff options
Diffstat (limited to 'gcc/go/go-lang.c')
| -rw-r--r-- | gcc/go/go-lang.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/go/go-lang.c b/gcc/go/go-lang.c index 2cfb410..9c0e7af 100644 --- a/gcc/go/go-lang.c +++ b/gcc/go/go-lang.c @@ -131,6 +131,16 @@ go_langhook_init (void) eventually be controllable by a command line option. */ mpfr_set_default_prec (256); + /* If necessary, override GCC's choice of minimum and maximum + exponents. This should only affect GCC middle-end + compilation-time, not correctness. */ + mpfr_exp_t exp = mpfr_get_emax (); + if (exp < (1 << 16) - 1) + mpfr_set_emax ((1 << 16) - 1); + exp = mpfr_get_emin (); + if (exp > - ((1 << 16) - 1)) + mpfr_set_emin (- ((1 << 16) - 1)); + /* Go uses exceptions. */ using_eh_for_cleanups (); @@ -306,6 +316,12 @@ go_langhook_post_options (const char **pfilename ATTRIBUTE_UNUSED) SET_OPTION_IF_UNSET (&global_options, &global_options_set, flag_partial_inlining, 0); + /* Go programs expect runtime.Callers to give the right answers, + which means that we can't combine functions even if they look the + same. */ + SET_OPTION_IF_UNSET (&global_options, &global_options_set, + flag_ipa_icf_functions, 0); + /* If the debug info level is still 1, as set in init_options, make sure that some debugging type is selected. */ if (global_options.x_debug_info_level == DINFO_LEVEL_TERSE |