diff options
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/function.c b/gcc/function.c index 2c87dec..a39ee7c 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -4233,6 +4233,10 @@ allocate_struct_function (tree fndecl, bool abstract_p) /* Assume all registers in stdarg functions need to be saved. */ cfun->va_list_gpr_size = VA_LIST_MAX_GPR_SIZE; cfun->va_list_fpr_size = VA_LIST_MAX_FPR_SIZE; + + /* ??? This could be set on a per-function basis by the front-end + but is this worth the hassle? */ + cfun->can_throw_non_call_exceptions = flag_non_call_exceptions; } } @@ -4246,7 +4250,7 @@ push_struct_function (tree fndecl) allocate_struct_function (fndecl, false); } -/* Reset cfun, and other non-struct-function variables to defaults as +/* Reset crtl and other non-struct-function variables to defaults as appropriate for emitting rtl at the start of a function. */ static void @@ -4778,7 +4782,7 @@ expand_function_end (void) /* We want to ensure that instructions that may trap are not moved into the epilogue by scheduling, because we don't always emit unwind information for the epilogue. */ - if (flag_non_call_exceptions) + if (cfun->can_throw_non_call_exceptions) emit_insn (gen_blockage ()); } @@ -4924,7 +4928,7 @@ expand_function_end (void) /* @@@ This is a kludge. We want to ensure that instructions that may trap are not moved into the epilogue by scheduling, because we don't always emit unwind information for the epilogue. */ - if (! USING_SJLJ_EXCEPTIONS && flag_non_call_exceptions) + if (!USING_SJLJ_EXCEPTIONS && cfun->can_throw_non_call_exceptions) emit_insn (gen_blockage ()); /* If stack protection is enabled for this function, check the guard. */ |