diff options
Diffstat (limited to 'gcc/config/mmix/mmix.c')
| -rw-r--r-- | gcc/config/mmix/mmix.c | 37 |
1 files changed, 4 insertions, 33 deletions
diff --git a/gcc/config/mmix/mmix.c b/gcc/config/mmix/mmix.c index c3c4d985c05..f166804d271 100644 --- a/gcc/config/mmix/mmix.c +++ b/gcc/config/mmix/mmix.c @@ -546,14 +546,6 @@ mmix_function_arg (argsp, mode, type, named, incoming) int named ATTRIBUTE_UNUSED; int incoming; { - /* Handling of the positional dummy parameter for varargs gets nasty. - Check execute/991216-3 and function.c:assign_params. We have to say - that the dummy parameter goes on stack in order to get the correct - offset when va_start and va_arg is applied. FIXME: Should do TRT by - itself in the gcc core. */ - if ((! named && incoming && current_function_varargs) || argsp->now_varargs) - return NULL_RTX; - /* Last-argument marker. */ if (type == void_type_node) return (argsp->regs < MMIX_MAX_ARGS_IN_REGS) @@ -828,31 +820,10 @@ mmix_setup_incoming_varargs (args_so_farp, mode, vartype, pretend_sizep, int * pretend_sizep; int second_time ATTRIBUTE_UNUSED; { - /* For stdarg, the last named variable has been handled, but - args_so_farp has not been advanced for it. For varargs, the current - argument is to be counted to the anonymous ones. */ - if (current_function_stdarg) - { - if (args_so_farp->regs + 1 < MMIX_MAX_ARGS_IN_REGS) - *pretend_sizep - = (MMIX_MAX_ARGS_IN_REGS - (args_so_farp->regs + 1)) * 8; - } - else if (current_function_varargs) - { - if (args_so_farp->regs < MMIX_MAX_ARGS_IN_REGS) - *pretend_sizep - = (MMIX_MAX_ARGS_IN_REGS - args_so_farp->regs) * 8; - - /* For varargs, we get here when we see the last named parameter, - which will actually be passed on stack. So make the next call - (there will be one) to FUNCTION_ARG return 0, to count it on - stack, so va_arg for it will get right. FIXME: The GCC core - should provide TRT. */ - args_so_farp->now_varargs = 1; - } - else - internal_error ("neither varargs or stdarg in mmix_setup_incoming_varargs"); - + /* 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. */ |
