diff options
Diffstat (limited to 'gcc/toplev.c')
| -rw-r--r-- | gcc/toplev.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c index 2659997a941..e7947eba2eb 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -267,9 +267,9 @@ int flag_pcc_struct_return = DEFAULT_PCC_STRUCT_RETURN; /* 0 means straightforward implementation of complex divide acceptable. 1 means wide ranges of inputs must work for complex divide. - 2 means C99-like requirements for complex divide (not yet implemented). */ + 2 means C99-like requirements for complex multiply and divide. */ -int flag_complex_divide_method = 0; +int flag_complex_method = 1; /* Nonzero means that we don't want inlining by virtue of -fno-inline, not just because the tree inliner turned us off. */ @@ -1948,14 +1948,16 @@ process_options (void) /* The presence of IEEE signaling NaNs, implies all math can trap. */ if (flag_signaling_nans) flag_trapping_math = 1; + + /* With -fcx-limited-range, we do cheap and quick complex arithmetic. */ + if (flag_cx_limited_range) + flag_complex_method = 0; } /* Initialize the compiler back end. */ static void backend_init (void) { - init_adjust_machine_modes (); - init_emit_once (debug_info_level == DINFO_LEVEL_NORMAL || debug_info_level == DINFO_LEVEL_VERBOSE #ifdef VMS_DEBUGGING_INFO @@ -2092,6 +2094,11 @@ do_compile (void) /* Don't do any more if an error has already occurred. */ if (!errorcount) { + /* This must be run always, because it is needed to compute the FP + predefined macros, such as __LDBL_MAX__, for targets using non + default FP formats. */ + init_adjust_machine_modes (); + /* Set up the back-end if requested. */ if (!no_backend) backend_init (); |