diff options
Diffstat (limited to 'gcc/calls.c')
| -rw-r--r-- | gcc/calls.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/gcc/calls.c b/gcc/calls.c index d0153a3d124..bb7595ab3f8 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -1,5 +1,6 @@ /* Convert function calls to rtl insns, for GNU C compiler. - Copyright (C) 1989, 92-97, 1998, 1999 Free Software Foundation, Inc. + Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 + Free Software Foundation, Inc. This file is part of GNU CC. @@ -405,7 +406,15 @@ emit_call_1 (funexp, fndecl, funtype, stack_size, rounded_stack_size, #ifndef ACCUMULATE_OUTGOING_ARGS #if defined (HAVE_call_pop) && defined (HAVE_call_value_pop) - if (HAVE_call_pop && HAVE_call_value_pop && n_popped > 0) +/* If the target has "call" or "call_value" insns, then prefer them + if no arguments are actually popped. If the target does not have + "call" or "call_value" insns, then we must use the popping versions + even if the call has no arguments to pop. */ + if (HAVE_call_pop && HAVE_call_value_pop +#if defined (HAVE_call) && defined (HAVE_call_value) + && (n_popped > 0 || ! HAVE_call || ! HAVE_call_value) +#endif + ) { rtx n_pop = GEN_INT (n_popped); rtx pat; |