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builtins.c (std_gimplify_va_arg_expr): Handle types passed by reference. 

* builtins.c (std_gimplify_va_arg_expr): Handle types passed
        by reference.
        (ind_gimplify_va_arg_expr): Remove.
        * tree.h (ind_gimplify_va_arg_expr): Remove.
        * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
        * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
        argsp to be null.

        * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
        (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
        * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
        config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
        config/mn10300/mn10300.c, config/v850/v850.c: Similarly.

From-SVN: r84608
This commit is contained in:
Richard Henderson 2004-07-13 01:43:41 -07:00 committed by Richard Henderson
parent 0976078c73
commit af064de51e
13 changed files with 37 additions and 161 deletions
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16
gcc/ChangeLog
View File

@ -1,3 +1,19 @@
2004-07-13 Richard Henderson <rth@redhat.com>
* builtins.c (std_gimplify_va_arg_expr): Handle types passed
by reference.
(ind_gimplify_va_arg_expr): Remove.
* tree.h (ind_gimplify_va_arg_expr): Remove.
* config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
* config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
argsp to be null.
* config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
(TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
* config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
2004-07-13 Richard Henderson <rth@redhat.com>
* function.c (pass_by_reference): New.

20
gcc/builtins.c
View File

@ -4477,6 +4477,7 @@ std_gimplify_va_arg_expr (tree valist, tree type, tree *pre_p, tree *post_p)
{
tree addr, t, type_size, rounded_size, valist_tmp;
unsigned HOST_WIDE_INT align, boundary;
bool indirect;
#ifdef ARGS_GROW_DOWNWARD
/* All of the alignment and movement below is for args-grow-up machines.
@ -4485,6 +4486,10 @@ std_gimplify_va_arg_expr (tree valist, tree type, tree *pre_p, tree *post_p)
abort ();
#endif
indirect = pass_by_reference (NULL, TYPE_MODE (type), type, false);
if (indirect)
type = build_pointer_type (type);
align = PARM_BOUNDARY / BITS_PER_UNIT;
boundary = FUNCTION_ARG_BOUNDARY (TYPE_MODE (type), type) / BITS_PER_UNIT;
@ -4532,18 +4537,11 @@ std_gimplify_va_arg_expr (tree valist, tree type, tree *pre_p, tree *post_p)
gimplify_and_add (t, pre_p);
addr = fold_convert (build_pointer_type (type), addr);
return build_fold_indirect_ref (addr);
}
/* Like std_gimplify_va_arg_expr, but uses pass-by-reference. */
tree
ind_gimplify_va_arg_expr (tree valist, tree type, tree *pre_p, tree *post_p)
{
tree t;
t = build_pointer_type (type);
t = std_gimplify_va_arg_expr (valist, t, pre_p, post_p);
return build_fold_indirect_ref (t);
if (indirect)
addr = build_fold_indirect_ref (addr);
return build_fold_indirect_ref (addr);
}
/* Return a dummy expression of type TYPE in order to keep going after an

15
gcc/config/arc/arc.c
View File

@ -102,7 +102,6 @@ static bool arc_rtx_costs (rtx, int, int, int *);
static int arc_address_cost (rtx);
static void arc_external_libcall (rtx);
static bool arc_return_in_memory (tree, tree);
static tree arc_gimplify_va_arg_expr (tree, tree, tree *, tree *);
/* Initialize the GCC target structure. */
#undef TARGET_ASM_ALIGNED_HI_OP
@ -142,8 +141,6 @@ static tree arc_gimplify_va_arg_expr (tree, tree, tree *, tree *);
#undef TARGET_SETUP_INCOMING_VARARGS
#define TARGET_SETUP_INCOMING_VARARGS arc_setup_incoming_varargs
#undef TARGET_GIMPLIFY_VA_ARG_EXPR
#define TARGET_GIMPLIFY_VA_ARG_EXPR arc_gimplify_va_arg_expr
#undef TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE
#define TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE hook_int_void_1
@ -2295,18 +2292,6 @@ arc_va_start (tree valist, rtx nextarg)
std_expand_builtin_va_start (valist, nextarg);
}
static tree
arc_gimplify_va_arg_expr (tree valist, tree type, tree *pre_p, tree *post_p)
{
/* All aggregates are passed by reference. All scalar types larger
than 8 bytes are passed by reference. */
if (AGGREGATE_TYPE_P (type) || int_size_in_bytes (type) > 8)
return ind_gimplify_va_arg_expr (valist, type, pre_p, post_p);
return std_gimplify_va_arg_expr (valist, type, pre_p, post_p);
}
/* This is how to output a definition of an internal numbered label where
PREFIX is the class of label and NUM is the number within the class. */

16
gcc/config/cris/cris.c
View File

@ -116,8 +116,6 @@ static void cris_init_libfuncs (void);
static bool cris_rtx_costs (rtx, int, int, int *);
static int cris_address_cost (rtx);
static tree cris_gimplify_va_arg_expr (tree, tree, tree *, tree *);
/* The function cris_target_asm_function_epilogue puts the last insn to
output here. It always fits; there won't be a symbol operand. Used in
delay_slots_for_epilogue and function_epilogue. */
@ -191,8 +189,6 @@ int cris_cpu_version = CRIS_DEFAULT_CPU_VERSION;
#undef TARGET_SETUP_INCOMING_VARARGS
#define TARGET_SETUP_INCOMING_VARARGS cris_setup_incoming_varargs
#undef TARGET_GIMPLIFY_VA_ARG_EXPR
#define TARGET_GIMPLIFY_VA_ARG_EXPR cris_gimplify_va_arg_expr
struct gcc_target targetm = TARGET_INITIALIZER;
@ -2789,18 +2785,6 @@ cris_init_libfuncs (void)
set_optab_libfunc (umod_optab, SImode, "__Umod");
}
/* The va_arg gimplifier. All we need to do here special is notice
when we we've got a pass-by-reference. */
static tree
cris_gimplify_va_arg_expr (tree valist, tree type, tree *pre_p, tree *post_p)
{
if (FUNCTION_ARG_PASS_BY_REFERENCE (dummy, TYPE_MODE (type), type, dummy))
return ind_gimplify_va_arg_expr (valist, type, pre_p, post_p);
else
return std_gimplify_va_arg_expr (valist, type, pre_p, post_p);
}
/* The INIT_EXPANDERS worker sets the per-function-data initializer and
mark functions. */

15
gcc/config/fr30/fr30.c
View File

@ -123,7 +123,6 @@ static struct fr30_frame_info zero_frame_info;
static void fr30_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode,
tree, int *, int);
static tree fr30_gimplify_va_arg_expr (tree, tree, tree *, tree *);
static bool fr30_must_pass_in_stack (enum machine_mode, tree);
#define FRAME_POINTER_MASK (1 << (FRAME_POINTER_REGNUM))
@ -158,9 +157,6 @@ static bool fr30_must_pass_in_stack (enum machine_mode, tree);
#undef TARGET_MUST_PASS_IN_STACK
#define TARGET_MUST_PASS_IN_STACK fr30_must_pass_in_stack
#undef TARGET_GIMPLIFY_VA_ARG_EXPR
#define TARGET_GIMPLIFY_VA_ARG_EXPR fr30_gimplify_va_arg_expr
struct gcc_target targetm = TARGET_INITIALIZER;
/* Returns the number of bytes offset between FROM_REG and TO_REG
@ -729,17 +725,6 @@ fr30_function_arg_partial_nregs (CUMULATIVE_ARGS cum, enum machine_mode mode,
return FR30_NUM_ARG_REGS - cum;
}
/* Implement `va_arg'. */
static tree
fr30_gimplify_va_arg_expr (tree valist, tree type, tree *pre_p, tree *post_p)
{
if (FUNCTION_ARG_PASS_BY_REFERENCE (dummy, TYPE_MODE (type), type, dummy))
return ind_gimplify_va_arg_expr (valist, type, pre_p, post_p);
else
return std_gimplify_va_arg_expr (valist, type, pre_p, post_p);
}
/*}}}*/
/*{{{ Operand predicates */

15
gcc/config/frv/frv.c
View File

@ -286,7 +286,6 @@ static void frv_output_const_unspec (FILE *,
const struct frv_unspec *);
static bool frv_function_ok_for_sibcall (tree, tree);
static rtx frv_struct_value_rtx (tree, int);
static tree frv_gimplify_va_arg_expr (tree, tree, tree *, tree *);
static bool frv_must_pass_in_stack (enum machine_mode mode, tree type);
/* Initialize the GCC target structure. */
@ -335,8 +334,6 @@ static bool frv_must_pass_in_stack (enum machine_mode mode, tree type);
#define TARGET_EXPAND_BUILTIN_SAVEREGS frv_expand_builtin_saveregs
#undef TARGET_SETUP_INCOMING_VARARGS
#define TARGET_SETUP_INCOMING_VARARGS frv_setup_incoming_varargs
#undef TARGET_GIMPLIFY_VA_ARG_EXPR
#define TARGET_GIMPLIFY_VA_ARG_EXPR frv_gimplify_va_arg_expr
struct gcc_target targetm = TARGET_INITIALIZER;
@ -2084,18 +2081,6 @@ frv_expand_builtin_va_start (tree valist, rtx nextarg)
expand_expr (t, const0_rtx, VOIDmode, EXPAND_NORMAL);
}
/* Expand __builtin_va_arg to do the va_arg macro. */
static tree
frv_gimplify_va_arg_expr (tree valist, tree type, tree *pre_p, tree *post_p)
{
if (AGGREGATE_TYPE_P (type))
return ind_gimplify_va_arg_expr (valist, type, pre_p, post_p);
else
return std_gimplify_va_arg_expr (valist, type, pre_p, post_p);
}
/* Expand a block move operation, and return 1 if successful. Return 0
if we should let the compiler generate normal code.

14
gcc/config/iq2000/iq2000.c
View File

@ -171,7 +171,6 @@ static bool iq2000_rtx_costs (rtx, int, int, int *);
static int iq2000_address_cost (rtx);
static void iq2000_select_section (tree, int, unsigned HOST_WIDE_INT);
static bool iq2000_return_in_memory (tree, tree);
static tree iq2000_gimplify_va_arg_expr (tree, tree, tree *, tree *);
#undef TARGET_INIT_BUILTINS
#define TARGET_INIT_BUILTINS iq2000_init_builtins
@ -200,8 +199,6 @@ static tree iq2000_gimplify_va_arg_expr (tree, tree, tree *, tree *);
#define TARGET_SETUP_INCOMING_VARARGS iq2000_setup_incoming_varargs
#undef TARGET_STRICT_ARGUMENT_NAMING
#define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_true
#undef TARGET_GIMPLIFY_VA_ARG_EXPR
#define TARGET_GIMPLIFY_VA_ARG_EXPR iq2000_gimplify_va_arg_expr
#undef TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE
#define TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE hook_int_void_1
@ -1590,17 +1587,6 @@ iq2000_va_start (tree valist, rtx nextarg)
nextarg = plus_constant (nextarg, - gpr_save_area_size);
std_expand_builtin_va_start (valist, nextarg);
}
/* Implement va_arg. */
static tree
iq2000_gimplify_va_arg_expr (tree valist, tree type, tree *pre_p, tree *post_p)
{
if (function_arg_pass_by_reference (NULL, TYPE_MODE (type), type, 0))
return ind_gimplify_va_arg_expr (valist, type, pre_p, post_p);
else
return std_gimplify_va_arg_expr (valist, type, pre_p, post_p);
}
/* Allocate a chunk of memory for per-function machine-dependent data. */

15
gcc/config/m32r/m32r.c
View File

@ -99,7 +99,6 @@ static void m32r_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode,
tree, int *, int);
static void init_idents (void);
static bool m32r_rtx_costs (rtx, int, int, int *);
static tree m32r_gimplify_va_arg_expr (tree, tree, tree *, tree *);
/* Initialize the GCC target structure. */
#undef TARGET_ATTRIBUTE_TABLE
@ -144,9 +143,6 @@ static tree m32r_gimplify_va_arg_expr (tree, tree, tree *, tree *);
#undef TARGET_MUST_PASS_IN_STACK
#define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size
#undef TARGET_GIMPLIFY_VA_ARG_EXPR
#define TARGET_GIMPLIFY_VA_ARG_EXPR m32r_gimplify_va_arg_expr
struct gcc_target targetm = TARGET_INITIALIZER;
/* Called by OVERRIDE_OPTIONS to initialize various things. */
@ -1395,17 +1391,6 @@ m32r_setup_incoming_varargs (CUMULATIVE_ARGS *cum, enum machine_mode mode,
}
}
/* Implement `va_arg'. */
static tree
m32r_gimplify_va_arg_expr (tree valist, tree type, tree *pre_p, tree *post_p)
{
if (m32r_pass_by_reference (type))
return ind_gimplify_va_arg_expr (valist, type, pre_p, post_p);
else
return std_gimplify_va_arg_expr (valist, type, pre_p, post_p);
}
/* Return true if INSN is real instruction bearing insn. */

32
gcc/config/mmix/mmix.c
View File

@ -139,7 +139,6 @@ static void mmix_file_start (void);
static void mmix_file_end (void);
static bool mmix_rtx_costs (rtx, int, int, int *);
static rtx mmix_struct_value_rtx (tree, int);
static tree mmix_gimplify_va_arg_expr (tree, tree, tree *, tree *);
/* Target structure macros. Listed by node. See `Using and Porting GCC'
@ -205,8 +204,6 @@ static tree mmix_gimplify_va_arg_expr (tree, tree, tree *, tree *);
#undef TARGET_SETUP_INCOMING_VARARGS
#define TARGET_SETUP_INCOMING_VARARGS mmix_setup_incoming_varargs
#undef TARGET_GIMPLIFY_VA_ARG_EXPR
#define TARGET_GIMPLIFY_VA_ARG_EXPR mmix_gimplify_va_arg_expr
struct gcc_target targetm = TARGET_INITIALIZER;
@ -601,11 +598,15 @@ mmix_function_arg_pass_by_reference (const CUMULATIVE_ARGS *argsp,
{
/* FIXME: Check: I'm not sure the must_pass_in_stack check is
necessary. */
return
targetm.calls.must_pass_in_stack (mode, type)
|| (MMIX_FUNCTION_ARG_SIZE (mode, type) > 8
&& !TARGET_LIBFUNC
&& !argsp->lib);
if (targetm.calls.must_pass_in_stack (mode, type))
return true;
if (MMIX_FUNCTION_ARG_SIZE (mode, type) > 8
&& !TARGET_LIBFUNC
&& (!argsp || !argsp->lib))
return true;
return false;
}
/* Return nonzero if regno is a register number where a parameter is
@ -846,21 +847,6 @@ mmix_setup_incoming_varargs (CUMULATIVE_ARGS *args_so_farp,
internal_error ("MMIX Internal: Last named vararg would not fit in a register");
}
/* Gimplify VA_ARG_EXPR. All we need to do is figure out if TYPE is
pass-by-reference and hand off to standard routines. */
static tree
mmix_gimplify_va_arg_expr (tree valist, tree type, tree *pre_p, tree *post_p)
{
CUMULATIVE_ARGS cum;
cum.lib = 0;
if (mmix_function_arg_pass_by_reference (&cum, TYPE_MODE (type), type, 0))
return ind_gimplify_va_arg_expr (valist, type, pre_p, post_p);
else
return std_gimplify_va_arg_expr (valist, type, pre_p, post_p);
}
/* TRAMPOLINE_SIZE. */
/* Four 4-byte insns plus two 8-byte values. */
int mmix_trampoline_size = 32;

12
gcc/config/mn10300/mn10300.c
View File

@ -71,7 +71,6 @@ static bool mn10300_rtx_costs (rtx, int, int, int *);
static void mn10300_file_start (void);
static bool mn10300_return_in_memory (tree, tree);
static rtx mn10300_builtin_saveregs (void);
static tree mn10300_gimplify_va_arg_expr (tree, tree, tree *, tree *);
/* Initialize the GCC target structure. */
#undef TARGET_ASM_ALIGNED_HI_OP
@ -98,8 +97,6 @@ static tree mn10300_gimplify_va_arg_expr (tree, tree, tree *, tree *);
#undef TARGET_EXPAND_BUILTIN_SAVEREGS
#define TARGET_EXPAND_BUILTIN_SAVEREGS mn10300_builtin_saveregs
#undef TARGET_GIMPLIFY_VA_ARG_EXPR
#define TARGET_GIMPLIFY_VA_ARG_EXPR mn10300_gimplify_va_arg_expr
static void mn10300_encode_section_info (tree, rtx, int);
struct gcc_target targetm = TARGET_INITIALIZER;
@ -1459,15 +1456,6 @@ mn10300_va_start (tree valist, rtx nextarg)
std_expand_builtin_va_start (valist, nextarg);
}
static tree
mn10300_gimplify_va_arg_expr (tree valist, tree type, tree *pre_p, tree *post_p)
{
if (FUNCTION_ARG_PASS_BY_REFERENCE (dummy, TYPE_MODE (type), type, dummy))
return ind_gimplify_va_arg_expr (valist, type, pre_p, post_p);
else
return std_gimplify_va_arg_expr (valist, type, pre_p, post_p);
}
/* Return an RTX to represent where a value with mode MODE will be returned
from a function. If the result is 0, the argument is pushed. */

12
gcc/config/pa/pa.c
View File

@ -5956,18 +5956,10 @@ hppa_va_start (tree valist, rtx nextarg)
static tree
hppa_gimplify_va_arg_expr (tree valist, tree type, tree *pre_p, tree *post_p)
{
bool indirect;
indirect = FUNCTION_ARG_PASS_BY_REFERENCE (dummy, TYPE_MODE (type), type, 0);
if (TARGET_64BIT)
{
/* Args grow upward. We can use the generic routines. */
if (indirect)
return ind_gimplify_va_arg_expr (valist, type, pre_p, post_p);
else
return std_gimplify_va_arg_expr (valist, type, pre_p, post_p);
return std_gimplify_va_arg_expr (valist, type, pre_p, post_p);
}
else /* !TARGET_64BIT */
{
@ -5975,7 +5967,9 @@ hppa_gimplify_va_arg_expr (tree valist, tree type, tree *pre_p, tree *post_p)
tree valist_type;
tree t, u;
unsigned int size, ofs;
bool indirect;
indirect = pass_by_reference (NULL, TYPE_MODE (type), type, 0);
if (indirect)
{
type = ptr;

15
gcc/config/v850/v850.c
View File

@ -67,7 +67,6 @@ static void v850_encode_section_info (tree, rtx, int);
static bool v850_return_in_memory (tree, tree);
static void v850_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode,
tree, int *, int);
static tree v850_gimplify_va_arg_expr (tree, tree, tree *, tree *);
/* Information about the various small memory areas. */
struct small_memory_info small_memory[ (int)SMALL_MEMORY_max ] =
@ -133,9 +132,6 @@ static int v850_interrupt_p = FALSE;
#undef TARGET_SETUP_INCOMING_VARARGS
#define TARGET_SETUP_INCOMING_VARARGS v850_setup_incoming_varargs
#undef TARGET_GIMPLIFY_VA_ARG_EXPR
#define TARGET_GIMPLIFY_VA_ARG_EXPR v850_gimplify_va_arg_expr
struct gcc_target targetm = TARGET_INITIALIZER;
/* Sometimes certain combinations of command options do not make
@ -3308,17 +3304,6 @@ construct_prepare_instruction (rtx op)
return buff;
}
/* Implement `va_arg'. */
static tree
v850_gimplify_va_arg_expr (tree valist, tree type, tree *pre_p, tree *post_p)
{
if (FUNCTION_ARG_PASS_BY_REFERENCE (dummy, TYPE_MODE (type), type, 0))
return ind_gimplify_va_arg_expr (valist, type, pre_p, post_p);
else
return std_gimplify_va_arg_expr (valist, type, pre_p, post_p);
}
/* Return an RTX indicating where the return address to the
calling function can be found. */

1
gcc/tree.h
View File

@ -3437,7 +3437,6 @@ extern tree strip_float_extensions (tree);
extern tree simplify_builtin (tree, int);
extern tree c_strlen (tree, int);
extern tree std_gimplify_va_arg_expr (tree, tree, tree *, tree *);
extern tree ind_gimplify_va_arg_expr (tree, tree, tree *, tree *);
/* In convert.c */
extern tree strip_float_extensions (tree);