The hook is passed the promoted mode instead of the original type mode.
2019-08-20 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* target.def (setup_incoming_varargs): Take a function_arg_info
instead of a mode and tree.
* doc/tm.texi: Regenerate.
* targhooks.h (default_setup_incoming_varargs): Take a
function_arg_info instead of a mode and tree.
* targhooks.c (default_setup_incoming_varargs): Likewise.
* config/aarch64/aarch64.c (aarch64_setup_incoming_varargs): Likewise.
* config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
* config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
* config/arm/arm.c (arm_setup_incoming_varargs): Likewise.
* config/bfin/bfin.c (setup_incoming_varargs): Likewise.
* config/cris/cris.c (cris_setup_incoming_varargs): Likewise.
* config/csky/csky.c (csky_setup_incoming_varargs): Likewise.
* config/epiphany/epiphany.c (epiphany_setup_incoming_varargs):
Likewise.
* config/fr30/fr30.c (fr30_setup_incoming_varargs): Likewise.
* config/frv/frv.c (frv_setup_incoming_varargs): Likewise.
* config/ft32/ft32.c (ft32_setup_incoming_varargs): Likewise.
* config/i386/i386.c (ix86_setup_incoming_varargs): Likewise.
* config/ia64/ia64.c (ia64_setup_incoming_varargs): Likewise.
* config/iq2000/iq2000.c (iq2000_setup_incoming_varargs): Likewise.
* config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
* config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
* config/mcore/mcore.c (mcore_setup_incoming_varargs): Likewise.
* config/mips/mips.c (mips_setup_incoming_varargs): Likewise.
* config/mmix/mmix.c (mmix_setup_incoming_varargs): Likewise.
* config/moxie/moxie.c (moxie_setup_incoming_varargs): Likewise.
* config/nds32/nds32.c (nds32_setup_incoming_varargs): Likewise.
* config/nios2/nios2.c (nios2_setup_incoming_varargs): Likewise.
* config/riscv/riscv.c (riscv_setup_incoming_varargs): Likewise.
* config/rs6000/rs6000-internal.h (setup_incoming_varargs): Likewise.
* config/rs6000/rs6000-call.c (setup_incoming_varargs): Likewise.
* config/sh/sh.c (sh_setup_incoming_varargs): Likewise.
* config/spu/spu.c (spu_setup_incoming_varargs): Likewise.
* config/tilegx/tilegx.c (tilegx_setup_incoming_varargs): Likewise.
* config/tilepro/tilepro.c (tilepro_setup_incoming_varargs): Likewise.
* config/visium/visium.c (visium_setup_incoming_varargs): Likewise.
* function.c (assign_parms_setup_varargs): Update call to
targetm.calls.setup_incoming_varargs.
From-SVN: r274699
+2019-08-20 Richard Sandiford <richard.sandiford@arm.com>
+
+ * target.def (setup_incoming_varargs): Take a function_arg_info
+ instead of a mode and tree.
+ * doc/tm.texi: Regenerate.
+ * targhooks.h (default_setup_incoming_varargs): Take a
+ function_arg_info instead of a mode and tree.
+ * targhooks.c (default_setup_incoming_varargs): Likewise.
+ * config/aarch64/aarch64.c (aarch64_setup_incoming_varargs): Likewise.
+ * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
+ * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
+ * config/arm/arm.c (arm_setup_incoming_varargs): Likewise.
+ * config/bfin/bfin.c (setup_incoming_varargs): Likewise.
+ * config/cris/cris.c (cris_setup_incoming_varargs): Likewise.
+ * config/csky/csky.c (csky_setup_incoming_varargs): Likewise.
+ * config/epiphany/epiphany.c (epiphany_setup_incoming_varargs):
+ Likewise.
+ * config/fr30/fr30.c (fr30_setup_incoming_varargs): Likewise.
+ * config/frv/frv.c (frv_setup_incoming_varargs): Likewise.
+ * config/ft32/ft32.c (ft32_setup_incoming_varargs): Likewise.
+ * config/i386/i386.c (ix86_setup_incoming_varargs): Likewise.
+ * config/ia64/ia64.c (ia64_setup_incoming_varargs): Likewise.
+ * config/iq2000/iq2000.c (iq2000_setup_incoming_varargs): Likewise.
+ * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
+ * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
+ * config/mcore/mcore.c (mcore_setup_incoming_varargs): Likewise.
+ * config/mips/mips.c (mips_setup_incoming_varargs): Likewise.
+ * config/mmix/mmix.c (mmix_setup_incoming_varargs): Likewise.
+ * config/moxie/moxie.c (moxie_setup_incoming_varargs): Likewise.
+ * config/nds32/nds32.c (nds32_setup_incoming_varargs): Likewise.
+ * config/nios2/nios2.c (nios2_setup_incoming_varargs): Likewise.
+ * config/riscv/riscv.c (riscv_setup_incoming_varargs): Likewise.
+ * config/rs6000/rs6000-internal.h (setup_incoming_varargs): Likewise.
+ * config/rs6000/rs6000-call.c (setup_incoming_varargs): Likewise.
+ * config/sh/sh.c (sh_setup_incoming_varargs): Likewise.
+ * config/spu/spu.c (spu_setup_incoming_varargs): Likewise.
+ * config/tilegx/tilegx.c (tilegx_setup_incoming_varargs): Likewise.
+ * config/tilepro/tilepro.c (tilepro_setup_incoming_varargs): Likewise.
+ * config/visium/visium.c (visium_setup_incoming_varargs): Likewise.
+ * function.c (assign_parms_setup_varargs): Update call to
+ targetm.calls.setup_incoming_varargs.
+
2019-08-20 Richard Sandiford <richard.sandiford@arm.com>
* target.def (pass_by_reference): Take a function_arg_info instead
/* Implement TARGET_SETUP_INCOMING_VARARGS. */
static void
-aarch64_setup_incoming_varargs (cumulative_args_t cum_v, machine_mode mode,
- tree type, int *pretend_size ATTRIBUTE_UNUSED,
- int no_rtl)
+aarch64_setup_incoming_varargs (cumulative_args_t cum_v,
+ const function_arg_info &arg,
+ int *pretend_size ATTRIBUTE_UNUSED, int no_rtl)
{
CUMULATIVE_ARGS *cum = get_cumulative_args (cum_v);
CUMULATIVE_ARGS local_cum;
argument. Advance a local copy of CUM past the last "real" named
argument, to find out how many registers are left over. */
local_cum = *cum;
- aarch64_function_arg_advance (pack_cumulative_args(&local_cum), mode, type, true);
+ aarch64_function_arg_advance (pack_cumulative_args(&local_cum),
+ arg.mode, arg.type, arg.named);
/* Found out how many registers we need to save.
Honor tree-stdvar analysis results. */
variable number of arguments. */
static void
-alpha_setup_incoming_varargs (cumulative_args_t pcum, machine_mode mode,
- tree type, int *pretend_size, int no_rtl)
+alpha_setup_incoming_varargs (cumulative_args_t pcum,
+ const function_arg_info &arg,
+ int *pretend_size, int no_rtl)
{
CUMULATIVE_ARGS cum = *get_cumulative_args (pcum);
/* Skip the current argument. */
- targetm.calls.function_arg_advance (pack_cumulative_args (&cum), mode, type,
- true);
+ targetm.calls.function_arg_advance (pack_cumulative_args (&cum),
+ arg.mode, arg.type, arg.named);
#if TARGET_ABI_OPEN_VMS
/* For VMS, we allocate space for all 6 arg registers plus a count.
create a register parameter block, and then copy any anonymous arguments
in registers to memory.
- CUM has not been updated for the last named argument which has type TYPE
- and mode MODE, and we rely on this fact. */
+ CUM has not been updated for the last named argument (which is given
+ by ARG), and we rely on this fact. */
static void
arc_setup_incoming_varargs (cumulative_args_t args_so_far,
- machine_mode mode, tree type,
+ const function_arg_info &arg,
int *pretend_size, int no_rtl)
{
int first_anon_arg;
next_cum = *get_cumulative_args (args_so_far);
arc_function_arg_advance (pack_cumulative_args (&next_cum),
- mode, type, true);
+ arg.mode, arg.type, arg.named);
first_anon_arg = next_cum;
if (FUNCTION_ARG_REGNO_P (first_anon_arg))
static void arm_file_start (void);
static void arm_insert_attributes (tree, tree *);
-static void arm_setup_incoming_varargs (cumulative_args_t, machine_mode,
- tree, int *, int);
+static void arm_setup_incoming_varargs (cumulative_args_t,
+ const function_arg_info &, int *, int);
static bool arm_pass_by_reference (cumulative_args_t,
const function_arg_info &);
static bool arm_promote_prototypes (const_tree);
static void
arm_setup_incoming_varargs (cumulative_args_t pcum_v,
- machine_mode mode,
- tree type,
+ const function_arg_info &arg,
int *pretend_size,
int second_time ATTRIBUTE_UNUSED)
{
nregs = pcum->aapcs_ncrn;
if (nregs & 1)
{
- int res = arm_needs_doubleword_align (mode, type);
+ int res = arm_needs_doubleword_align (arg.mode, arg.type);
if (res < 0 && warn_psabi)
inform (input_location, "parameter passing for argument of "
- "type %qT changed in GCC 7.1", type);
+ "type %qT changed in GCC 7.1", arg.type);
else if (res > 0)
{
nregs++;
if (res > 1 && warn_psabi)
inform (input_location,
"parameter passing for argument of type "
- "%qT changed in GCC 9.1", type);
+ "%qT changed in GCC 9.1", arg.type);
}
}
}
CUM is as above.
- MODE and TYPE are the mode and type of the current parameter.
+ ARG is the last named argument.
PRETEND_SIZE is a variable that should be set to the amount of stack
that must be pushed by the prolog to pretend that our caller pushed
static void
setup_incoming_varargs (cumulative_args_t cum,
- machine_mode mode ATTRIBUTE_UNUSED,
- tree type ATTRIBUTE_UNUSED, int *pretend_size,
+ const function_arg_info &, int *pretend_size,
int no_rtl)
{
rtx mem;
static rtx cris_struct_value_rtx (tree, int);
-static void cris_setup_incoming_varargs (cumulative_args_t, machine_mode,
- tree type, int *, int);
+static void cris_setup_incoming_varargs (cumulative_args_t,
+ const function_arg_info &,
+ int *, int);
static int cris_initial_frame_pointer_offset (void);
static void
cris_setup_incoming_varargs (cumulative_args_t ca_v,
- machine_mode mode ATTRIBUTE_UNUSED,
- tree type ATTRIBUTE_UNUSED,
+ const function_arg_info &,
int *pretend_arg_size,
int second_time)
{
static void
csky_setup_incoming_varargs (cumulative_args_t pcum_v,
- machine_mode mode,
- tree type,
+ const function_arg_info &arg,
int *pretend_size,
int second_time ATTRIBUTE_UNUSED)
{
cfun->machine->uses_anonymous_args = 1;
local_cum = *pcum;
- csky_function_arg_advance (local_cum_v, mode, type, true);
+ csky_function_arg_advance (local_cum_v, arg.mode, arg.type, arg.named);
regs_to_push = CSKY_NPARM_REGS - local_cum;
if (regs_to_push)
*pretend_size = regs_to_push * UNITS_PER_WORD;
/* Do any needed setup for a variadic function. For the EPIPHANY, we
actually emit the code in epiphany_expand_prologue.
- CUM has not been updated for the last named argument which has type TYPE
- and mode MODE, and we rely on this fact. */
+ CUM has not been updated for the last named argument (which is given
+ by ARG), and we rely on this fact. */
static void
-epiphany_setup_incoming_varargs (cumulative_args_t cum, machine_mode mode,
- tree type, int *pretend_size, int no_rtl)
+epiphany_setup_incoming_varargs (cumulative_args_t cum,
+ const function_arg_info &arg,
+ int *pretend_size, int no_rtl)
{
int first_anon_arg;
CUMULATIVE_ARGS next_cum;
machine_function_t *mf = MACHINE_FUNCTION (cfun);
/* All BLKmode values are passed by reference. */
- gcc_assert (mode != BLKmode);
+ gcc_assert (arg.mode != BLKmode);
next_cum = *get_cumulative_args (cum);
- next_cum
- = ROUND_ADVANCE_CUM (next_cum, mode, type) + ROUND_ADVANCE_ARG (mode, type);
+ next_cum = (ROUND_ADVANCE_CUM (next_cum, arg.mode, arg.type)
+ + ROUND_ADVANCE_ARG (arg.mode, arg.type));
first_anon_arg = next_cum;
if (first_anon_arg < MAX_EPIPHANY_PARM_REGS && !no_rtl)
/* Zero structure to initialize current_frame_info. */
static struct fr30_frame_info zero_frame_info;
-static void fr30_setup_incoming_varargs (cumulative_args_t, machine_mode,
- tree, int *, int);
+static void fr30_setup_incoming_varargs (cumulative_args_t,
+ const function_arg_info &,
+ int *, int);
static bool fr30_must_pass_in_stack (machine_mode, const_tree);
static int fr30_arg_partial_bytes (cumulative_args_t,
const function_arg_info &);
named argument, from registers into memory. * copying actually done in
fr30_expand_prologue().
- ARG_REGS_USED_SO_FAR has *not* been updated for the last named argument
- which has type TYPE and mode MODE, and we rely on this fact. */
+ CUM has not been updated for the last named argument which has type TYPE
+ and mode MODE, and we rely on this fact. */
void
fr30_setup_incoming_varargs (cumulative_args_t arg_regs_used_so_far_v,
- machine_mode mode,
- tree type ATTRIBUTE_UNUSED,
+ const function_arg_info &arg,
int *pretend_size,
int second_time ATTRIBUTE_UNUSED)
{
int size;
/* All BLKmode values are passed by reference. */
- gcc_assert (mode != BLKmode);
+ gcc_assert (arg.mode != BLKmode);
/* ??? This run-time test as well as the code inside the if
statement is probably unnecessary. */
/* If TARGET_STRICT_ARGUMENT_NAMING returns true, then the last named
arg must not be treated as an anonymous arg. */
/* ??? This is a pointer increment, which makes no sense. */
- arg_regs_used_so_far += fr30_num_arg_regs (mode, type);
+ arg_regs_used_so_far += fr30_num_arg_regs (arg.mode, arg.type);
size = FR30_NUM_ARG_REGS - (* arg_regs_used_so_far);
static void frv_asm_output_mi_thunk
(FILE *, tree, HOST_WIDE_INT, HOST_WIDE_INT, tree);
static void frv_setup_incoming_varargs (cumulative_args_t,
- machine_mode,
- tree, int *, int);
+ const function_arg_info &,
+ int *, int);
static rtx frv_expand_builtin_saveregs (void);
static void frv_expand_builtin_va_start (tree, rtx);
static bool frv_rtx_costs (rtx, machine_mode, int, int,
static void
frv_setup_incoming_varargs (cumulative_args_t cum_v,
- machine_mode mode,
- tree type ATTRIBUTE_UNUSED,
- int *pretend_size,
- int second_time)
+ const function_arg_info &arg,
+ int *pretend_size,
+ int second_time)
{
CUMULATIVE_ARGS *cum = get_cumulative_args (cum_v);
if (TARGET_DEBUG_ARG)
fprintf (stderr,
"setup_vararg: words = %2d, mode = %4s, pretend_size = %d, second_time = %d\n",
- *cum, GET_MODE_NAME (mode), *pretend_size, second_time);
+ *cum, GET_MODE_NAME (arg.mode), *pretend_size, second_time);
}
\f
static void
ft32_setup_incoming_varargs (cumulative_args_t cum_v,
- machine_mode mode,
- tree type ATTRIBUTE_UNUSED,
+ const function_arg_info &arg,
int *pretend_size, int no_rtl ATTRIBUTE_UNUSED)
{
CUMULATIVE_ARGS *cum = get_cumulative_args (cum_v);
int named_size =
- GET_MODE_SIZE (SImode) * (*cum - FT32_R0) + GET_MODE_SIZE (mode);
+ GET_MODE_SIZE (SImode) * (*cum - FT32_R0) + GET_MODE_SIZE (arg.mode);
if (named_size < 24)
*pretend_size = 24 - named_size;
}
static void
-ix86_setup_incoming_varargs (cumulative_args_t cum_v, machine_mode mode,
- tree type, int *, int no_rtl)
+ix86_setup_incoming_varargs (cumulative_args_t cum_v,
+ const function_arg_info &arg,
+ int *, int no_rtl)
{
CUMULATIVE_ARGS *cum = get_cumulative_args (cum_v);
CUMULATIVE_ARGS next_cum;
For stdargs, we do want to skip the last named argument. */
next_cum = *cum;
if (stdarg_p (fntype))
- ix86_function_arg_advance (pack_cumulative_args (&next_cum), mode, type,
- true);
+ ix86_function_arg_advance (pack_cumulative_args (&next_cum),
+ arg.mode, arg.type, arg.named);
if (cum->call_abi == MS_ABI)
setup_incoming_varargs_ms_64 (&next_cum);
static void ia64_option_override (void);
static bool ia64_can_eliminate (const int, const int);
static machine_mode hfa_element_mode (const_tree, bool);
-static void ia64_setup_incoming_varargs (cumulative_args_t, machine_mode,
- tree, int *, int);
+static void ia64_setup_incoming_varargs (cumulative_args_t,
+ const function_arg_info &,
+ int *, int);
static int ia64_arg_partial_bytes (cumulative_args_t,
const function_arg_info &);
static rtx ia64_function_arg_1 (cumulative_args_t, machine_mode,
}
\f
/* Do any needed setup for a variadic function. CUM has not been updated
- for the last named argument which has type TYPE and mode MODE.
+ for the last named argument, which is given by ARG.
We generate the actual spill instructions during prologue generation. */
static void
-ia64_setup_incoming_varargs (cumulative_args_t cum, machine_mode mode,
- tree type, int * pretend_size,
+ia64_setup_incoming_varargs (cumulative_args_t cum,
+ const function_arg_info &arg,
+ int *pretend_size,
int second_time ATTRIBUTE_UNUSED)
{
CUMULATIVE_ARGS next_cum = *get_cumulative_args (cum);
/* Skip the current argument. */
- ia64_function_arg_advance (pack_cumulative_args (&next_cum), mode, type, 1);
+ ia64_function_arg_advance (pack_cumulative_args (&next_cum),
+ arg.mode, arg.type, arg.named);
if (next_cum.words < MAX_ARGUMENT_SLOTS)
{
static rtx iq2000_expand_builtin (tree, rtx, rtx, machine_mode, int);
static bool iq2000_return_in_memory (const_tree, const_tree);
static void iq2000_setup_incoming_varargs (cumulative_args_t,
- machine_mode, tree, int *,
- int);
+ const function_arg_info &,
+ int *, int);
static bool iq2000_rtx_costs (rtx, machine_mode, int, int, int *, bool);
static int iq2000_address_cost (rtx, machine_mode, addr_space_t,
bool);
static void
iq2000_setup_incoming_varargs (cumulative_args_t cum_v,
- machine_mode mode ATTRIBUTE_UNUSED,
- tree type ATTRIBUTE_UNUSED, int * pretend_size,
- int no_rtl)
+ const function_arg_info &,
+ int *pretend_size, int no_rtl)
{
CUMULATIVE_ARGS *cum = get_cumulative_args (cum_v);
unsigned int iq2000_off = ! cum->last_arg_fp;
static void stack_adjust (HOST_WIDE_INT amount);
static bool lm32_in_small_data_p (const_tree);
static void lm32_setup_incoming_varargs (cumulative_args_t cum,
- machine_mode mode, tree type,
+ const function_arg_info &,
int *pretend_size, int no_rtl);
static bool lm32_rtx_costs (rtx x, machine_mode mode, int outer_code, int opno,
int *total, bool speed);
}
static void
-lm32_setup_incoming_varargs (cumulative_args_t cum_v, machine_mode mode,
- tree type, int *pretend_size, int no_rtl)
+lm32_setup_incoming_varargs (cumulative_args_t cum_v,
+ const function_arg_info &arg,
+ int *pretend_size, int no_rtl)
{
CUMULATIVE_ARGS *cum = get_cumulative_args (cum_v);
int first_anon_arg;
registers, if any used in passing this named paramter in
order to determine which is the first registers used to pass
anonymous arguments. */
- int size;
-
- if (mode == BLKmode)
- size = int_size_in_bytes (type);
- else
- size = GET_MODE_SIZE (mode);
+ int size = arg.promoted_size_in_bytes ();
first_anon_arg =
*cum + LM32_FIRST_ARG_REG +
static rtx m32r_function_value (const_tree, const_tree, bool);
static rtx m32r_libcall_value (machine_mode, const_rtx);
static bool m32r_function_value_regno_p (const unsigned int);
-static void m32r_setup_incoming_varargs (cumulative_args_t, machine_mode,
- tree, int *, int);
+static void m32r_setup_incoming_varargs (cumulative_args_t,
+ const function_arg_info &,
+ int *, int);
static void init_idents (void);
static bool m32r_rtx_costs (rtx, machine_mode, int, int, int *, bool speed);
static int m32r_memory_move_cost (machine_mode, reg_class_t, bool);
create a register parameter block, and then copy any anonymous arguments
in registers to memory.
- CUM has not been updated for the last named argument which has type TYPE
- and mode MODE, and we rely on this fact. */
+ CUM has not been updated for the last named argument (which is given
+ by ARG), and we rely on this fact. */
static void
-m32r_setup_incoming_varargs (cumulative_args_t cum, machine_mode mode,
- tree type, int *pretend_size, int no_rtl)
+m32r_setup_incoming_varargs (cumulative_args_t cum,
+ const function_arg_info &arg,
+ int *pretend_size, int no_rtl)
{
int first_anon_arg;
return;
/* All BLKmode values are passed by reference. */
- gcc_assert (mode != BLKmode);
+ gcc_assert (arg.mode != BLKmode);
- first_anon_arg = (ROUND_ADVANCE_CUM (*get_cumulative_args (cum), mode, type)
- + ROUND_ADVANCE_ARG (mode, type));
+ first_anon_arg = (ROUND_ADVANCE_CUM (*get_cumulative_args (cum),
+ arg.mode, arg.type)
+ + ROUND_ADVANCE_ARG (arg.mode, arg.type));
if (first_anon_arg < M32R_MAX_PARM_REGS)
{
static int try_constant_tricks (HOST_WIDE_INT, HOST_WIDE_INT *, HOST_WIDE_INT *);
static const char * output_inline_const (machine_mode, rtx *);
static void layout_mcore_frame (struct mcore_frame *);
-static void mcore_setup_incoming_varargs (cumulative_args_t, machine_mode, tree, int *, int);
+static void mcore_setup_incoming_varargs (cumulative_args_t,
+ const function_arg_info &,
+ int *, int);
static cond_type is_cond_candidate (rtx);
static rtx_insn *emit_new_cond_insn (rtx_insn *, int);
static rtx_insn *conditionalize_block (rtx_insn *);
static void
mcore_setup_incoming_varargs (cumulative_args_t args_so_far_v,
- machine_mode mode, tree type,
+ const function_arg_info &arg,
int * ptr_pretend_size ATTRIBUTE_UNUSED,
int second_time ATTRIBUTE_UNUSED)
{
/* We need to know how many argument registers are used before
the varargs start, so that we can push the remaining argument
registers during the prologue. */
- number_of_regs_before_varargs = *args_so_far + mcore_num_arg_regs (mode, type);
+ number_of_regs_before_varargs
+ = *args_so_far + mcore_num_arg_regs (arg.mode, arg.type);
/* There is a bug somewhere in the arg handling code.
Until I can find it this workaround always pushes the
/* Implement TARGET_SETUP_INCOMING_VARARGS. */
static void
-mips_setup_incoming_varargs (cumulative_args_t cum, machine_mode mode,
- tree type, int *pretend_size ATTRIBUTE_UNUSED,
- int no_rtl)
+mips_setup_incoming_varargs (cumulative_args_t cum,
+ const function_arg_info &arg,
+ int *pretend_size ATTRIBUTE_UNUSED, int no_rtl)
{
CUMULATIVE_ARGS local_cum;
int gp_saved, fp_saved;
argument. Advance a local copy of CUM past the last "real" named
argument, to find out how many registers are left over. */
local_cum = *get_cumulative_args (cum);
- mips_function_arg_advance (pack_cumulative_args (&local_cum), mode, type,
- true);
+ mips_function_arg_advance (pack_cumulative_args (&local_cum),
+ arg.mode, arg.type, arg.named);
/* Found out how many registers we need to save. */
gp_saved = MAX_ARGS_IN_REGISTERS - local_cum.num_gprs;
static void mmix_asm_output_mi_thunk
(FILE *, tree, HOST_WIDE_INT, HOST_WIDE_INT, tree);
static void mmix_setup_incoming_varargs
- (cumulative_args_t, machine_mode, tree, int *, int);
+ (cumulative_args_t, const function_arg_info &, int *, int);
static void mmix_file_start (void);
static void mmix_file_end (void);
static void mmix_init_libfuncs (void);
static void
mmix_setup_incoming_varargs (cumulative_args_t args_so_farp_v,
- machine_mode mode,
- tree vartype,
+ const function_arg_info &arg,
int *pretend_sizep,
int second_time ATTRIBUTE_UNUSED)
{
/* We assume that one argument takes up one register here. That should
be true until we start messing with multi-reg parameters. */
- if ((7 + (MMIX_FUNCTION_ARG_SIZE (mode, vartype))) / 8 != 1)
+ if ((7 + (MMIX_FUNCTION_ARG_SIZE (arg.mode, arg.type))) / 8 != 1)
internal_error ("MMIX Internal: Last named vararg would not fit in a register");
}
static void
moxie_setup_incoming_varargs (cumulative_args_t cum_v,
- machine_mode mode ATTRIBUTE_UNUSED,
- tree type ATTRIBUTE_UNUSED,
+ const function_arg_info &,
int *pretend_size, int no_rtl)
{
CUMULATIVE_ARGS *cum = get_cumulative_args (cum_v);
static void
nds32_setup_incoming_varargs (cumulative_args_t ca,
- machine_mode mode,
- tree type,
+ const function_arg_info &arg,
int *pretend_args_size,
int second_time ATTRIBUTE_UNUSED)
{
cum = get_cumulative_args (ca);
- /* The MODE and TYPE describe the last argument.
+ /* ARG describes the last argument.
We need those information to determine the remaining registers
for varargs. */
total_args_regs
= NDS32_MAX_GPR_REGS_FOR_ARGS + NDS32_GPR_ARG_FIRST_REGNUM;
num_of_used_regs
- = NDS32_AVAILABLE_REGNUM_FOR_GPR_ARG (cum->gpr_offset, mode, type)
- + NDS32_NEED_N_REGS_FOR_ARG (mode, type);
+ = NDS32_AVAILABLE_REGNUM_FOR_GPR_ARG (cum->gpr_offset, arg.mode, arg.type)
+ + NDS32_NEED_N_REGS_FOR_ARG (arg.mode, arg.type);
remaining_reg_count = total_args_regs - num_of_used_regs;
*pretend_args_size = remaining_reg_count * UNITS_PER_WORD;
own va_arg type. */
static void
nios2_setup_incoming_varargs (cumulative_args_t cum_v,
- machine_mode mode, tree type,
- int *pretend_size, int second_time)
+ const function_arg_info &arg,
+ int *pretend_size, int second_time)
{
CUMULATIVE_ARGS *cum = get_cumulative_args (cum_v);
CUMULATIVE_ARGS local_cum;
cfun->machine->uses_anonymous_args = 1;
local_cum = *cum;
- nios2_function_arg_advance (local_cum_v, mode, type, true);
+ nios2_function_arg_advance (local_cum_v, arg.mode, arg.type, arg.named);
regs_to_push = NUM_ARG_REGS - local_cum.regs_used;
/* Implement TARGET_SETUP_INCOMING_VARARGS. */
static void
-riscv_setup_incoming_varargs (cumulative_args_t cum, machine_mode mode,
- tree type, int *pretend_size ATTRIBUTE_UNUSED,
- int no_rtl)
+riscv_setup_incoming_varargs (cumulative_args_t cum,
+ const function_arg_info &arg,
+ int *pretend_size ATTRIBUTE_UNUSED, int no_rtl)
{
CUMULATIVE_ARGS local_cum;
int gp_saved;
argument. Advance a local copy of CUM past the last "real" named
argument, to find out how many registers are left over. */
local_cum = *get_cumulative_args (cum);
- riscv_function_arg_advance (pack_cumulative_args (&local_cum), mode, type, 1);
+ riscv_function_arg_advance (pack_cumulative_args (&local_cum),
+ arg.mode, arg.type, arg.named);
/* Found out how many registers we need to save. */
gp_saved = MAX_ARGS_IN_REGISTERS - local_cum.num_gprs;
CUM is as above.
- MODE and TYPE are the mode and type of the current parameter.
+ ARG is the last named argument.
PRETEND_SIZE is a variable that should be set to the amount of stack
that must be pushed by the prolog to pretend that our caller pushed
stack and set PRETEND_SIZE to the length of the registers pushed. */
void
-setup_incoming_varargs (cumulative_args_t cum, machine_mode mode,
- tree type, int *pretend_size ATTRIBUTE_UNUSED,
- int no_rtl)
+setup_incoming_varargs (cumulative_args_t cum,
+ const function_arg_info &arg,
+ int *pretend_size ATTRIBUTE_UNUSED, int no_rtl)
{
CUMULATIVE_ARGS next_cum;
int reg_size = TARGET_32BIT ? 4 : 8;
/* Skip the last named argument. */
next_cum = *get_cumulative_args (cum);
- rs6000_function_arg_advance_1 (&next_cum, mode, type, true, 0);
+ rs6000_function_arg_advance_1 (&next_cum, arg.mode, arg.type, arg.named, 0);
if (DEFAULT_ABI == ABI_V4)
{
first_reg_offset = next_cum.words;
save_area = crtl->args.internal_arg_pointer;
- if (targetm.calls.must_pass_in_stack (mode, type))
- first_reg_offset += rs6000_arg_size (TYPE_MODE (type), type);
+ if (targetm.calls.must_pass_in_stack (arg.mode, arg.type))
+ first_reg_offset += rs6000_arg_size (TYPE_MODE (arg.type), arg.type);
}
set = get_varargs_alias_set ();
extern bool rs6000_return_in_msb (const_tree valtype);
extern bool rs6000_pass_by_reference (cumulative_args_t,
const function_arg_info &);
-extern void setup_incoming_varargs (cumulative_args_t cum, machine_mode mode,
- tree type, int *pretend_size ATTRIBUTE_UNUSED,
- int no_rtl);
+extern void setup_incoming_varargs (cumulative_args_t,
+ const function_arg_info &, int *, int);
extern unsigned int rs6000_function_arg_boundary (machine_mode mode,
const_tree type);
extern bool rs6000_must_pass_in_stack (machine_mode mode, const_tree type);
static rtx sh_libcall_value (machine_mode, const_rtx);
static bool sh_return_in_memory (const_tree, const_tree);
static rtx sh_builtin_saveregs (void);
-static void sh_setup_incoming_varargs (cumulative_args_t, machine_mode,
- tree, int *, int);
+static void sh_setup_incoming_varargs (cumulative_args_t,
+ const function_arg_info &, int *, int);
static bool sh_strict_argument_naming (cumulative_args_t);
static bool sh_pretend_outgoing_varargs_named (cumulative_args_t);
static void sh_atomic_assign_expand_fenv (tree *, tree *, tree *);
function that tell if a function uses varargs or stdarg. */
static void
sh_setup_incoming_varargs (cumulative_args_t ca,
- machine_mode mode,
- tree type,
+ const function_arg_info &arg,
int *pretend_arg_size,
int second_time ATTRIBUTE_UNUSED)
{
{
int named_parm_regs, anon_parm_regs;
- named_parm_regs = (sh_round_reg (*get_cumulative_args (ca), mode)
- + (mode == BLKmode
- ? CEIL (int_size_in_bytes (type), UNITS_PER_WORD)
- : CEIL (GET_MODE_SIZE (mode), UNITS_PER_WORD)));
+ named_parm_regs = (sh_round_reg (*get_cumulative_args (ca), arg.mode)
+ + CEIL (arg.promoted_size_in_bytes (),
+ UNITS_PER_WORD));
anon_parm_regs = NPARM_REGS (SImode) - named_parm_regs;
if (anon_parm_regs > 0)
*pretend_arg_size = anon_parm_regs * 4;
in the stack then save no registers. Set pretend_args_size to the
amount of space needed to save the registers. */
static void
-spu_setup_incoming_varargs (cumulative_args_t cum, machine_mode mode,
- tree type, int *pretend_size, int no_rtl)
+spu_setup_incoming_varargs (cumulative_args_t cum,
+ const function_arg_info &arg,
+ int *pretend_size, int no_rtl)
{
if (!no_rtl)
{
/* cum currently points to the last named argument, we want to
start at the next argument. */
- spu_function_arg_advance (pack_cumulative_args (&ncum), mode, type, true);
+ spu_function_arg_advance (pack_cumulative_args (&ncum),
+ arg.mode, arg.type, arg.named);
offset = -STACK_POINTER_OFFSET;
for (regno = ncum; regno < MAX_REGISTER_ARGS; regno++)
/* Implement TARGET_SETUP_INCOMING_VARARGS. */
static void
tilegx_setup_incoming_varargs (cumulative_args_t cum,
- machine_mode mode,
- tree type, int *pretend_args, int no_rtl)
+ const function_arg_info &arg,
+ int *pretend_args, int no_rtl)
{
CUMULATIVE_ARGS local_cum = *get_cumulative_args (cum);
int first_reg;
argument. Advance a local copy of CUM past the last "real" named
argument, to find out how many registers are left over. */
targetm.calls.function_arg_advance (pack_cumulative_args (&local_cum),
- mode, type, true);
+ arg.mode, arg.type, arg.named);
first_reg = local_cum;
if (local_cum < TILEGX_NUM_ARG_REGS)
/* Implement TARGET_SETUP_INCOMING_VARARGS. */
static void
tilepro_setup_incoming_varargs (cumulative_args_t cum,
- machine_mode mode,
- tree type, int *pretend_args, int no_rtl)
+ const function_arg_info &arg,
+ int *pretend_args, int no_rtl)
{
CUMULATIVE_ARGS local_cum = *get_cumulative_args (cum);
int first_reg;
argument. Advance a local copy of CUM past the last "real" named
argument, to find out how many registers are left over. */
targetm.calls.function_arg_advance (pack_cumulative_args (&local_cum),
- mode, type, true);
+ arg.mode, arg.type, arg.named);
first_reg = local_cum;
if (local_cum < TILEPRO_NUM_ARG_REGS)
static rtx visium_libcall_value (machine_mode, const_rtx);
static void visium_setup_incoming_varargs (cumulative_args_t,
- machine_mode,
- tree, int *, int);
+ const function_arg_info &,
+ int *, int);
static void visium_va_start (tree valist, rtx nextarg);
static void
visium_setup_incoming_varargs (cumulative_args_t pcum_v,
- machine_mode mode,
- tree type,
+ const function_arg_info &arg,
int *pretend_size ATTRIBUTE_UNUSED,
int no_rtl)
{
/* The caller has advanced ARGS_SO_FAR up to, but not beyond, the last named
argument. Advance a local copy of ARGS_SO_FAR past the last "real" named
argument, to find out how many registers are left over. */
- TARGET_FUNCTION_ARG_ADVANCE (local_args_so_far, mode, type, 1);
+ TARGET_FUNCTION_ARG_ADVANCE (local_args_so_far, arg.mode,
+ arg.type, arg.named);
/* Find how many registers we need to save. */
locargs = get_cumulative_args (local_args_so_far);
to use as the return of @code{__builtin_saveregs}.
@end deftypefn
-@deftypefn {Target Hook} void TARGET_SETUP_INCOMING_VARARGS (cumulative_args_t @var{args_so_far}, machine_mode @var{mode}, tree @var{type}, int *@var{pretend_args_size}, int @var{second_time})
+@deftypefn {Target Hook} void TARGET_SETUP_INCOMING_VARARGS (cumulative_args_t @var{args_so_far}, const function_arg_info @var{&arg}, int *@var{pretend_args_size}, int @var{second_time})
This target hook offers an alternative to using
@code{__builtin_saveregs} and defining the hook
@code{TARGET_EXPAND_BUILTIN_SAVEREGS}. Use it to store the anonymous
The argument @var{args_so_far} points to the @code{CUMULATIVE_ARGS} data
structure, containing the values that are obtained after processing the
-named arguments. The arguments @var{mode} and @var{type} describe the
-last named argument---its machine mode and its data type as a tree node.
+named arguments. The argument @var{arg} describes the last of these named
+arguments.
The target hook should do two things: first, push onto the stack all the
argument registers @emph{not} used for the named arguments, and second,
{
int varargs_pretend_bytes = 0;
- targetm.calls.setup_incoming_varargs (all->args_so_far,
- data->promoted_mode,
- data->passed_type,
+ function_arg_info last_named_arg (data->passed_type, data->promoted_mode,
+ /*named=*/true);
+ targetm.calls.setup_incoming_varargs (all->args_so_far, last_named_arg,
&varargs_pretend_bytes, no_rtl);
/* If the back-end has requested extra stack space, record how much is
\n\
The argument @var{args_so_far} points to the @code{CUMULATIVE_ARGS} data\n\
structure, containing the values that are obtained after processing the\n\
-named arguments. The arguments @var{mode} and @var{type} describe the\n\
-last named argument---its machine mode and its data type as a tree node.\n\
+named arguments. The argument @var{arg} describes the last of these named\n\
+arguments.\n\
\n\
The target hook should do two things: first, push onto the stack all the\n\
argument registers @emph{not} used for the named arguments, and second,\n\
happens for an inline function, which is not actually compiled until the\n\
end of the source file. The hook @code{TARGET_SETUP_INCOMING_VARARGS} should\n\
not generate any instructions in this case.",
- void, (cumulative_args_t args_so_far, machine_mode mode, tree type,
+ void, (cumulative_args_t args_so_far, const function_arg_info &arg,
int *pretend_args_size, int second_time),
default_setup_incoming_varargs)
}
void
-default_setup_incoming_varargs (cumulative_args_t ca ATTRIBUTE_UNUSED,
- machine_mode mode ATTRIBUTE_UNUSED,
- tree type ATTRIBUTE_UNUSED,
- int *pretend_arg_size ATTRIBUTE_UNUSED,
- int second_time ATTRIBUTE_UNUSED)
+default_setup_incoming_varargs (cumulative_args_t,
+ const function_arg_info &, int *, int)
{
}
extern bool default_return_in_memory (const_tree, const_tree);
extern rtx default_expand_builtin_saveregs (void);
-extern void default_setup_incoming_varargs (cumulative_args_t, machine_mode, tree, int *, int);
+extern void default_setup_incoming_varargs (cumulative_args_t,
+ const function_arg_info &,
+ int *, int);
extern rtx default_builtin_setjmp_frame_value (void);
extern bool default_pretend_outgoing_varargs_named (cumulative_args_t);
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