diff options
Diffstat (limited to 'gcc/toplev.c')
| -rw-r--r-- | gcc/toplev.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c index 0e626b34b8f..f7a5035fdce 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -1901,6 +1901,21 @@ finalize (bool no_backend) lang_hooks.finish (); } +static bool +standard_type_bitsize (int bitsize) +{ + /* As a special exception, we always want __int128 enabled if possible. */ + if (bitsize == 128) + return false; + if (bitsize == CHAR_TYPE_SIZE + || bitsize == SHORT_TYPE_SIZE + || bitsize == INT_TYPE_SIZE + || bitsize == LONG_TYPE_SIZE + || bitsize == LONG_LONG_TYPE_SIZE) + return true; + return false; +} + /* Initialize the compiler, and compile the input file. */ static void do_compile (void) @@ -1916,6 +1931,8 @@ do_compile (void) /* Don't do any more if an error has already occurred. */ if (!seen_error ()) { + int i; + timevar_start (TV_PHASE_SETUP); /* This must be run always, because it is needed to compute the FP @@ -1924,6 +1941,16 @@ do_compile (void) init_adjust_machine_modes (); init_derived_machine_modes (); + /* This must happen after the backend has a chance to process + command line options, but before the parsers are + initialized. */ + for (i = 0; i < NUM_INT_N_ENTS; i ++) + if (targetm.scalar_mode_supported_p (int_n_data[i].m) + && ! standard_type_bitsize (int_n_data[i].bitsize)) + int_n_enabled_p[i] = true; + else + int_n_enabled_p[i] = false; + /* Set up the back-end if requested. */ if (!no_backend) backend_init (); |