diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/mmix/mmix.cc | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/gcc/config/mmix/mmix.cc b/gcc/config/mmix/mmix.cc index ce01438..39725c9 100644 --- a/gcc/config/mmix/mmix.cc +++ b/gcc/config/mmix/mmix.cc @@ -990,10 +990,18 @@ mmix_setup_incoming_varargs (cumulative_args_t args_so_farp_v, { CUMULATIVE_ARGS *args_so_farp = get_cumulative_args (args_so_farp_v); - /* The last named variable has been handled, but - args_so_farp has not been advanced for it. */ - if (args_so_farp->regs + 1 < MMIX_MAX_ARGS_IN_REGS) - *pretend_sizep = (MMIX_MAX_ARGS_IN_REGS - (args_so_farp->regs + 1)) * 8; + /* Better pay special attention to (...) functions and not fold that + case into the general case in the else-arm. */ + if (TYPE_NO_NAMED_ARGS_STDARG_P (TREE_TYPE (current_function_decl))) + { + *pretend_sizep = MMIX_MAX_ARGS_IN_REGS * 8; + gcc_assert (args_so_farp->regs == 0); + } + else + /* The last named variable has been handled, but + args_so_farp has not been advanced for it. */ + if (args_so_farp->regs + 1 < MMIX_MAX_ARGS_IN_REGS) + *pretend_sizep = (MMIX_MAX_ARGS_IN_REGS - (args_so_farp->regs + 1)) * 8; /* We assume that one argument takes up one register here. That should be true until we start messing with multi-reg parameters. */ |