diff options
Diffstat (limited to 'gcc/config/mips/mips.c')
| -rw-r--r-- | gcc/config/mips/mips.c | 49 |
1 files changed, 7 insertions, 42 deletions
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c index a42c54420d8..e3a64d34a3b 100644 --- a/gcc/config/mips/mips.c +++ b/gcc/config/mips/mips.c @@ -4485,15 +4485,10 @@ mips_setup_incoming_varargs (cum, mode, type, no_rtl) /* The caller has advanced CUM up to, but not beyond, the last named argument. Advance a local copy of CUM past the last "real" named - argument, to find out how many registers are left over. + argument, to find out how many registers are left over. */ - For K&R varargs, the last named argument is a dummy word-sized one, - so CUM already contains the information we need. For stdarg, it is - a real argument (such as the format in printf()) and we need to - step over it. */ local_cum = *cum; - if (!current_function_varargs) - FUNCTION_ARG_ADVANCE (local_cum, mode, type, 1); + FUNCTION_ARG_ADVANCE (local_cum, mode, type, 1); /* Found out how many registers we need to save. */ gp_saved = MAX_ARGS_IN_REGISTERS - local_cum.num_gprs; @@ -4611,14 +4606,11 @@ mips_build_va_list () return ptr_type_node; } -/* Implement va_start. stdarg_p is 0 if implementing - __builtin_varargs_va_start, 1 if implementing __builtin_stdarg_va_start. - Note that this routine isn't called when compiling e.g. "_vfprintf_r". - (It doesn't have "...", so it inherits the pointers of its caller.) */ +/* Implement va_start. stdarg_p is always 1. */ void mips_va_start (stdarg_p, valist, nextarg) - int stdarg_p; + int stdarg_p ATTRIBUTE_UNUSED; tree valist; rtx nextarg; { @@ -4696,39 +4688,12 @@ mips_va_start (stdarg_p, valist, nextarg) { /* Everything is in the GPR save area, or in the overflow area which is contiguous with it. */ - - int offset = -gpr_save_area_size; - if (gpr_save_area_size == 0) - offset = (stdarg_p ? 0 : -UNITS_PER_WORD); - nextarg = plus_constant (nextarg, offset); + nextarg = plus_constant (nextarg, -gpr_save_area_size); std_expand_builtin_va_start (1, valist, nextarg); } } else - { - /* not EABI */ - int ofs; - - if (stdarg_p) - ofs = 0; - else - { - /* ??? This had been conditional on - _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 - and both iris5.h and iris6.h define _MIPS_SIM. */ - if (mips_abi == ABI_N32 - || mips_abi == ABI_64 - || mips_abi == ABI_MEABI) - ofs = (cum->num_gprs < MAX_ARGS_IN_REGISTERS - ? 0 - : -UNITS_PER_WORD); - else - ofs = -UNITS_PER_WORD; - } - - nextarg = plus_constant (nextarg, ofs); - std_expand_builtin_va_start (1, valist, nextarg); - } + std_expand_builtin_va_start (1, valist, nextarg); } /* Implement va_arg. */ @@ -7241,7 +7206,7 @@ mips_output_function_prologue (file, size) /* If this is a varargs function, we need to save all the registers onto the stack anyhow. */ - if (current_function_stdarg || current_function_varargs) + if (current_function_stdarg) savearg = GP_REG_FIRST + 7; fprintf (file, "\tentry\t"); |