diff options
Diffstat (limited to 'gcc/toplev.c')
| -rw-r--r-- | gcc/toplev.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c index 89ed389168e..fda94dbf3c7 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -1915,13 +1915,28 @@ error VPROTO((const char *msgid, ...)) va_end (ap); } -/* Report a fatal error at the current line number. */ +/* Report a fatal error at the current line number. Allow a front end to + intercept the message. */ + +static void (*fatal_function) PROTO((const char *, va_list)); + +/* Set the function to call when a fatal error occurs. */ + +void +set_fatal_function (f) + void (*f) PROTO((char *, va_list)); +{ + fatal_function = f; +} static void vfatal (msgid, ap) const char *msgid; va_list ap; { + if (fatal_function != 0) + (*fatal_function) (_(msgid), ap); + verror (msgid, ap); exit (FATAL_EXIT_CODE); } @@ -3736,13 +3751,16 @@ rest_of_compilation (decl) TIMEVAR (cse_time, reg_scan (insns, max_reg_num (), 1)); if (flag_thread_jumps) - /* Hacks by tiemann & kenner. */ TIMEVAR (jump_time, thread_jumps (insns, max_reg_num (), 1)); TIMEVAR (cse_time, tem = cse_main (insns, max_reg_num (), 0, rtl_dump_file)); TIMEVAR (cse_time, delete_trivially_dead_insns (insns, max_reg_num ())); + /* If we are not running the second CSE pass, then we are no longer + expecting CSE to be run. */ + cse_not_expected = !flag_rerun_cse_after_loop; + if (tem || optimize > 1) TIMEVAR (jump_time, jump_optimize (insns, !JUMP_CROSS_JUMP, !JUMP_NOOP_MOVES, |