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| author | Richard Henderson <rth@cygnus.com> | 2000-08-25 15:39:05 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2000-08-25 15:39:05 -0700 |
| commit | 26a110f54219a3a8489617500d9a1470f68aa396 (patch) | |
| tree | a539e560b3367ff78302cbc791b4340db59158ce /gcc/config/ia64 | |
| parent | ecff20d49e0f694936d291998a8c60384d952d81 (diff) | |
| download | gcc-26a110f54219a3a8489617500d9a1470f68aa396.zip gcc-26a110f54219a3a8489617500d9a1470f68aa396.tar.gz gcc-26a110f54219a3a8489617500d9a1470f68aa396.tar.bz2 | |
ia64.h (struct machine_function): Add n_varargs.
* config/ia64/ia64.h (struct machine_function): Add n_varargs.
* config/ia64/ia64.c (ia64_compute_frame_size): Use it.
(ia64_expand_prologue): Likewise.
(ia64_setup_incoming_varargs): Set it. Properly skip the current
argument for stdargs.
From-SVN: r35994
Diffstat (limited to 'gcc/config/ia64')
| -rw-r--r-- | gcc/config/ia64/ia64.c | 22 | ||||
| -rw-r--r-- | gcc/config/ia64/ia64.h | 3 |
2 files changed, 16 insertions, 9 deletions
diff --git a/gcc/config/ia64/ia64.c b/gcc/config/ia64/ia64.c index f739729..f42d7b1 100644 --- a/gcc/config/ia64/ia64.c +++ b/gcc/config/ia64/ia64.c @@ -1183,7 +1183,7 @@ ia64_compute_frame_size (size) break; current_frame_info.n_local_regs = regno - LOC_REG (0) + 1; - if (current_function_varargs || current_function_stdarg) + if (cfun->machine->n_varargs > 0) current_frame_info.n_input_regs = 8; else { @@ -1323,7 +1323,7 @@ ia64_compute_frame_size (size) /* If we're forced to use st8.spill, we're forced to save and restore ar.unat as well. */ - if (spilled_gr_p || current_function_varargs || current_function_stdarg) + if (spilled_gr_p || cfun->machine->n_varargs) { SET_HARD_REG_BIT (mask, AR_UNAT_REGNUM); current_frame_info.reg_save_ar_unat = find_gr_spill (spill_size == 0); @@ -1782,7 +1782,7 @@ ia64_expand_prologue () /* Set up frame pointer, stack pointer, and spill iterators. */ - n_varargs = current_function_pretend_args_size / UNITS_PER_WORD; + n_varargs = cfun->machine->n_varargs; setup_spill_pointers (current_frame_info.n_spilled + n_varargs, stack_pointer_rtx, 0); @@ -2437,17 +2437,21 @@ ia64_initialize_trampoline (addr, fnaddr, static_chain) void ia64_setup_incoming_varargs (cum, int_mode, type, pretend_size, second_time) CUMULATIVE_ARGS cum; - int int_mode ATTRIBUTE_UNUSED; - tree type ATTRIBUTE_UNUSED; + int int_mode; + tree type; int * pretend_size; int second_time ATTRIBUTE_UNUSED; { - /* If this is a stdarg function, then don't save the current argument. */ - int offset = ! current_function_varargs; + /* If this is a stdarg function, then skip the current argument. */ + if (! current_function_varargs) + ia64_function_arg_advance (&cum, int_mode, type, 1); if (cum.words < MAX_ARGUMENT_SLOTS) - *pretend_size = ((MAX_ARGUMENT_SLOTS - cum.words - offset) - * UNITS_PER_WORD); + { + int n = MAX_ARGUMENT_SLOTS - cum.words; + *pretend_size = n * UNITS_PER_WORD; + cfun->machine->n_varargs = n; + } } /* Check whether TYPE is a homogeneous floating point aggregate. If diff --git a/gcc/config/ia64/ia64.h b/gcc/config/ia64/ia64.h index 2410ecd..0c8197a 100644 --- a/gcc/config/ia64/ia64.h +++ b/gcc/config/ia64/ia64.h @@ -2795,6 +2795,9 @@ struct machine_function /* The GP value save register. */ struct rtx_def* ia64_gp_save; + + /* The number of varargs registers to save. */ + int n_varargs; }; |