static int const_hash PARAMS ((tree));
static int compare_constant PARAMS ((tree,
struct constant_descriptor *));
-static char *compare_constant_1 PARAMS ((tree, char *));
+static const unsigned char *compare_constant_1 PARAMS ((tree, const unsigned char *));
static struct constant_descriptor *record_constant PARAMS ((tree));
static void record_constant_1 PARAMS ((tree));
static tree copy_constant PARAMS ((tree));
static void output_after_function_constants PARAMS ((void));
static void output_constructor PARAMS ((tree, int));
#ifdef ASM_WEAKEN_LABEL
-static void remove_from_pending_weak_list PARAMS ((char *));
+static void remove_from_pending_weak_list PARAMS ((const char *));
#endif
#ifdef ASM_OUTPUT_BSS
static void asm_output_bss PARAMS ((FILE *, tree, const char *, int, int));
make_function_rtl (decl)
tree decl;
{
- char *name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
- char *new_name = name;
+ const char *name;
+ const char *new_name;
+
+ if (DECL_RTL (decl) != 0)
+ {
+ /* ??? Another way to do this would be to do what halfpic.c does
+ and maintain a hashed table of such critters. */
+ /* ??? Another way to do this would be to pass a flag bit to
+ ENCODE_SECTION_INFO saying whether this is a new decl or not. */
+ /* Let the target reassign the RTL if it wants.
+ This is necessary, for example, when one machine specific
+ decl attribute overrides another. */
+#ifdef REDO_SECTION_INFO_P
+ if (REDO_SECTION_INFO_P (decl))
+ ENCODE_SECTION_INFO (decl);
+#endif
+ return;
+ }
+
+ name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
+ new_name = name;
/* Rename a nested function to avoid conflicts, unless it's a member of
a local class, in which case the class name is already unique. */
&& DECL_RTL (decl) == 0)
{
char *label;
-
- name = IDENTIFIER_POINTER (DECL_NAME (decl));
ASM_FORMAT_PRIVATE_NAME (label, name, var_labelno);
- name = ggc_alloc_string (label, -1);
var_labelno++;
+ new_name = label;
}
- else
+ /* When -fprefix-function-name is used, every function name is
+ prefixed. Even static functions are prefixed because they
+ could be declared latter. Note that a nested function name
+ is not prefixed. */
+ else if (flag_prefix_function_name)
{
- /* When -fprefix-function-name is used, every function name is
- prefixed. Even static functions are prefixed because they
- could be declared latter. Note that a nested function name
- is not prefixed. */
- if (flag_prefix_function_name)
- {
- size_t name_len = strlen (name);
+ size_t name_len = IDENTIFIER_LENGTH (DECL_ASSEMBLER_NAME (decl));
+ char *pname;
- new_name = ggc_alloc_string (NULL, name_len + CHKR_PREFIX_SIZE);
- memcpy (new_name, CHKR_PREFIX, CHKR_PREFIX_SIZE);
- memcpy (new_name + CHKR_PREFIX_SIZE, name, name_len + 1);
- name = new_name;
- }
+ pname = alloca (name_len + CHKR_PREFIX_SIZE + 1);
+ memcpy (pname, CHKR_PREFIX, CHKR_PREFIX_SIZE);
+ memcpy (pname + CHKR_PREFIX_SIZE, name, name_len + 1);
+ new_name = pname;
}
- if (DECL_RTL (decl) == 0)
+ if (name != new_name)
{
- DECL_ASSEMBLER_NAME (decl) = get_identifier (name);
- DECL_RTL (decl)
- = gen_rtx_MEM (DECL_MODE (decl),
- gen_rtx_SYMBOL_REF (Pmode, name));
-
- /* Optionally set flags or add text to the name to record information
- such as that it is a function name. If the name is changed, the macro
- ASM_OUTPUT_LABELREF will have to know how to strip this information. */
-#ifdef ENCODE_SECTION_INFO
- ENCODE_SECTION_INFO (decl);
-#endif
+ DECL_ASSEMBLER_NAME (decl) = get_identifier (new_name);
+ name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
}
- else
- {
- /* ??? Another way to do this would be to do what halfpic.c does
- and maintain a hashed table of such critters. */
- /* ??? Another way to do this would be to pass a flag bit to
- ENCODE_SECTION_INFO saying whether this is a new decl or not. */
- /* Let the target reassign the RTL if it wants.
- This is necessary, for example, when one machine specific
- decl attribute overrides another. */
-#ifdef REDO_SECTION_INFO_P
- if (REDO_SECTION_INFO_P (decl))
- ENCODE_SECTION_INFO (decl);
+
+ DECL_RTL (decl)
+ = gen_rtx_MEM (DECL_MODE (decl),
+ gen_rtx_SYMBOL_REF (Pmode, name));
+
+ /* Optionally set flags or add text to the name to record
+ information such as that it is a function name. If the name
+ is changed, the macro ASM_OUTPUT_LABELREF will have to know
+ how to strip this information. */
+#ifdef ENCODE_SECTION_INFO
+ ENCODE_SECTION_INFO (decl);
#endif
- }
}
+
/* Given NAME, a putative register name, discard any customary prefixes. */
static const char *
static struct { const char *name; int number; } table[]
= ADDITIONAL_REGISTER_NAMES;
- for (i = 0; i < (int)(sizeof (table) / sizeof (table[0])); i++)
+ for (i = 0; i < (int) ARRAY_SIZE (table); i++)
if (! strcmp (asmspec, table[i].name))
return table[i].number;
}
const char *asmspec;
int top_level;
{
- register char *name = 0;
+ const char *name = 0;
+ const char *new_name = 0;
int reg_number;
- reg_number = decode_reg_name (asmspec);
-
- if (DECL_ASSEMBLER_NAME (decl) != NULL_TREE)
- name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
-
- if (reg_number == -2)
+ /* For a duplicate declaration, we can be called twice on the
+ same DECL node. Don't discard the RTL already made. */
+ if (DECL_RTL (decl) != 0)
{
- /* ASMSPEC is given, and not the name of a register. */
- size_t len = strlen (asmspec);
+ /* If the old RTL had the wrong mode, fix the mode. */
+ if (GET_MODE (DECL_RTL (decl)) != DECL_MODE (decl))
+ {
+ rtx rtl = DECL_RTL (decl);
+ PUT_MODE (rtl, DECL_MODE (decl));
+ }
- name = ggc_alloc_string (NULL, len + 1);
- name[0] = '*';
- memcpy (&name[1], asmspec, len + 1);
+ /* ??? Another way to do this would be to do what halfpic.c does
+ and maintain a hashed table of such critters. */
+ /* ??? Another way to do this would be to pass a flag bit to
+ ENCODE_SECTION_INFO saying whether this is a new decl or not. */
+ /* Let the target reassign the RTL if it wants.
+ This is necessary, for example, when one machine specific
+ decl attribute overrides another. */
+#ifdef REDO_SECTION_INFO_P
+ if (REDO_SECTION_INFO_P (decl))
+ ENCODE_SECTION_INFO (decl);
+#endif
+ return;
}
- /* For a duplicate declaration, we can be called twice on the
- same DECL node. Don't discard the RTL already made. */
- if (DECL_RTL (decl) == 0)
+ new_name = name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
+
+ reg_number = decode_reg_name (asmspec);
+ if (reg_number == -2)
+ /* ASMSPEC is given, and not the name of a register. */
+ new_name = asmspec;
+
+ if (TREE_CODE (decl) != FUNCTION_DECL && DECL_REGISTER (decl))
{
/* First detect errors in declaring global registers. */
- if (TREE_CODE (decl) != FUNCTION_DECL
- && DECL_REGISTER (decl) && reg_number == -1)
- error_with_decl (decl,
- "register name not specified for `%s'");
- else if (TREE_CODE (decl) != FUNCTION_DECL
- && DECL_REGISTER (decl) && reg_number < 0)
- error_with_decl (decl,
- "invalid register name for `%s'");
- else if ((reg_number >= 0 || reg_number == -3)
- && (TREE_CODE (decl) == FUNCTION_DECL
- && ! DECL_REGISTER (decl)))
- error_with_decl (decl,
- "register name given for non-register variable `%s'");
- else if (TREE_CODE (decl) != FUNCTION_DECL
- && DECL_REGISTER (decl)
- && TYPE_MODE (TREE_TYPE (decl)) == BLKmode)
+ if (reg_number == -1)
+ error_with_decl (decl, "register name not specified for `%s'");
+ else if (reg_number < 0)
+ error_with_decl (decl, "invalid register name for `%s'");
+ else if (TYPE_MODE (TREE_TYPE (decl)) == BLKmode)
error_with_decl (decl,
"data type of `%s' isn't suitable for a register");
- else if (TREE_CODE (decl) != FUNCTION_DECL && DECL_REGISTER (decl)
- && ! HARD_REGNO_MODE_OK (reg_number,
- TYPE_MODE (TREE_TYPE (decl))))
+ else if (! HARD_REGNO_MODE_OK (reg_number, TYPE_MODE (TREE_TYPE (decl))))
error_with_decl (decl,
- "register number for `%s' isn't suitable for data type");
+ "register specified for `%s' isn't suitable for data type");
/* Now handle properly declared static register variables. */
- else if (TREE_CODE (decl) != FUNCTION_DECL && DECL_REGISTER (decl))
+ else
{
int nregs;
while (nregs > 0)
globalize_reg (reg_number + --nregs);
}
+
+ /* As a register variable, it has no section. */
+ return;
}
- /* Specifying a section attribute on a variable forces it into a
- non-.bss section, and thus it cannot be common. */
- else if (TREE_CODE (decl) == VAR_DECL
- && DECL_SECTION_NAME (decl) != NULL_TREE
- && DECL_INITIAL (decl) == NULL_TREE
- && DECL_COMMON (decl))
- DECL_COMMON (decl) = 0;
-
- /* Now handle ordinary static variables and functions (in memory).
- Also handle vars declared register invalidly. */
- if (DECL_RTL (decl) == 0)
- {
- /* Can't use just the variable's own name for a variable
- whose scope is less than the whole file, unless it's a member
- of a local class (which will already be unambiguous).
- Concatenate a distinguishing number. */
- if (!top_level && !TREE_PUBLIC (decl)
- && ! (DECL_CONTEXT (decl) && TYPE_P (DECL_CONTEXT (decl)))
- && asmspec == 0)
- {
- char *label;
+ }
- ASM_FORMAT_PRIVATE_NAME (label, name, var_labelno);
- name = ggc_alloc_string (label, -1);
- var_labelno++;
- }
+ /* Now handle ordinary static variables and functions (in memory).
+ Also handle vars declared register invalidly. */
- if (name == 0)
- abort ();
+ if (reg_number >= 0 || reg_number == -3)
+ error_with_decl (decl,
+ "register name given for non-register variable `%s'");
- /* When -fprefix-function-name is used, the functions
- names are prefixed. Only nested function names are not
- prefixed. */
- if (flag_prefix_function_name && TREE_CODE (decl) == FUNCTION_DECL)
- {
- size_t name_len = strlen (name);
- char *new_name;
+ /* Specifying a section attribute on a variable forces it into a
+ non-.bss section, and thus it cannot be common. */
+ if (TREE_CODE (decl) == VAR_DECL
+ && DECL_SECTION_NAME (decl) != NULL_TREE
+ && DECL_INITIAL (decl) == NULL_TREE
+ && DECL_COMMON (decl))
+ DECL_COMMON (decl) = 0;
+
+ /* Can't use just the variable's own name for a variable
+ whose scope is less than the whole file, unless it's a member
+ of a local class (which will already be unambiguous).
+ Concatenate a distinguishing number. */
+ if (!top_level && !TREE_PUBLIC (decl)
+ && ! (DECL_CONTEXT (decl) && TYPE_P (DECL_CONTEXT (decl)))
+ && asmspec == 0)
+ {
+ char *label;
+ ASM_FORMAT_PRIVATE_NAME (label, name, var_labelno);
+ var_labelno++;
+ new_name = label;
+ }
- new_name = ggc_alloc_string (NULL, name_len + CHKR_PREFIX_SIZE);
- memcpy (new_name, CHKR_PREFIX, CHKR_PREFIX_SIZE);
- memcpy (new_name + CHKR_PREFIX_SIZE, name, name_len + 1);
- name = new_name;
- }
+ /* When -fprefix-function-name is used, the functions
+ names are prefixed. Only nested function names are not
+ prefixed. */
+ else if (flag_prefix_function_name && TREE_CODE (decl) == FUNCTION_DECL)
+ {
+ size_t name_len = IDENTIFIER_LENGTH (DECL_ASSEMBLER_NAME (decl));
+ char *pname;
- DECL_ASSEMBLER_NAME (decl)
- = get_identifier (name[0] == '*' ? name + 1 : name);
- DECL_RTL (decl) = gen_rtx_MEM (DECL_MODE (decl),
- gen_rtx_SYMBOL_REF (Pmode, name));
- MEM_ALIAS_SET (DECL_RTL (decl)) = get_alias_set (decl);
-
- /* If this variable is to be treated as volatile, show its
- tree node has side effects. If it has side effects, either
- because of this test or from TREE_THIS_VOLATILE also
- being set, show the MEM is volatile. */
- if (flag_volatile_global && TREE_CODE (decl) == VAR_DECL
- && TREE_PUBLIC (decl))
- TREE_SIDE_EFFECTS (decl) = 1;
- else if (flag_volatile_static && TREE_CODE (decl) == VAR_DECL
- && (TREE_PUBLIC (decl) || TREE_STATIC (decl)))
- TREE_SIDE_EFFECTS (decl) = 1;
-
- if (TREE_SIDE_EFFECTS (decl))
- MEM_VOLATILE_P (DECL_RTL (decl)) = 1;
-
- if (TREE_READONLY (decl))
- RTX_UNCHANGING_P (DECL_RTL (decl)) = 1;
- MEM_SET_IN_STRUCT_P (DECL_RTL (decl),
- AGGREGATE_TYPE_P (TREE_TYPE (decl)));
-
- /* Optionally set flags or add text to the name to record information
- such as that it is a function name.
- If the name is changed, the macro ASM_OUTPUT_LABELREF
- will have to know how to strip this information. */
-#ifdef ENCODE_SECTION_INFO
- ENCODE_SECTION_INFO (decl);
-#endif
- }
+ pname = alloca (name_len + CHKR_PREFIX_SIZE + 1);
+ memcpy (pname, CHKR_PREFIX, CHKR_PREFIX_SIZE);
+ memcpy (pname + CHKR_PREFIX_SIZE, name, name_len + 1);
+ new_name = pname;
}
- else
+
+ if (name != new_name)
{
- /* If the old RTL had the wrong mode, fix the mode. */
- if (GET_MODE (DECL_RTL (decl)) != DECL_MODE (decl))
- {
- rtx rtl = DECL_RTL (decl);
- PUT_MODE (rtl, DECL_MODE (decl));
- }
+ DECL_ASSEMBLER_NAME (decl) = get_identifier (new_name);
+ name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
+ }
- /* ??? Another way to do this would be to do what halfpic.c does
- and maintain a hashed table of such critters. */
- /* ??? Another way to do this would be to pass a flag bit to
- ENCODE_SECTION_INFO saying whether this is a new decl or not. */
- /* Let the target reassign the RTL if it wants.
- This is necessary, for example, when one machine specific
- decl attribute overrides another. */
-#ifdef REDO_SECTION_INFO_P
- if (REDO_SECTION_INFO_P (decl))
- ENCODE_SECTION_INFO (decl);
+ /* If this variable is to be treated as volatile, show its
+ tree node has side effects. */
+ if ((flag_volatile_global && TREE_CODE (decl) == VAR_DECL
+ && TREE_PUBLIC (decl))
+ || ((flag_volatile_static && TREE_CODE (decl) == VAR_DECL
+ && (TREE_PUBLIC (decl) || TREE_STATIC (decl)))))
+ TREE_SIDE_EFFECTS (decl) = 1;
+
+ DECL_RTL (decl) = gen_rtx_MEM (DECL_MODE (decl),
+ gen_rtx_SYMBOL_REF (Pmode, name));
+ if (TREE_CODE (decl) != FUNCTION_DECL)
+ set_mem_attributes (DECL_RTL (decl), decl, 1);
+
+ /* Optionally set flags or add text to the name to record information
+ such as that it is a function name.
+ If the name is changed, the macro ASM_OUTPUT_LABELREF
+ will have to know how to strip this information. */
+#ifdef ENCODE_SECTION_INFO
+ ENCODE_SECTION_INFO (decl);
#endif
- }
}
/* Make the rtl for variable VAR be volatile.
rounded = (rounded / (BIGGEST_ALIGNMENT / BITS_PER_UNIT)
* (BIGGEST_ALIGNMENT / BITS_PER_UNIT));
-#if !defined(ASM_OUTPUT_ALIGNED_COMMON) && !defined(ASM_OUTPUT_ALIGNED_BSS)
+/* Don't continue this line--convex cc version 4.1 would lose. */
+#if !defined(ASM_OUTPUT_ALIGNED_COMMON) && !defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) && !defined(ASM_OUTPUT_ALIGNED_BSS)
if ((unsigned HOST_WIDE_INT) DECL_ALIGN (decl) / BITS_PER_UNIT > rounded)
warning_with_decl
(decl, "requested alignment for %s is greater than implemented alignment of %d.",rounded);
push_obstacks_nochange ();
rtl_in_saveable_obstack ();
- r = gen_rtx_CONST_DOUBLE (mode, NULL_RTX, i0, i1);
+ r = gen_rtx_CONST_DOUBLE (mode, const0_rtx, i0, i1);
pop_obstacks ();
/* Don't touch const_double_chain if not inside any function. */
const_double_chain = r;
}
- /* Store const0_rtx in mem-slot since this CONST_DOUBLE is on the chain.
- Actual use of mem-slot is only through force_const_mem. */
-
- CONST_DOUBLE_MEM (r) = const0_rtx;
-
return r;
}
PUT_MODE (r, mode);
bcopy ((char *) &u, (char *) &CONST_DOUBLE_LOW (r), sizeof u);
- /* Don't touch const_double_chain if not inside any function. */
+ /* If we aren't inside a function, don't put r on the
+ const_double_chain. */
if (current_function_decl != 0)
{
CONST_DOUBLE_CHAIN (r) = const_double_chain;
const_double_chain = r;
}
+ else
+ CONST_DOUBLE_CHAIN (r) = NULL_RTX;
/* Store const0_rtx in CONST_DOUBLE_MEM since this CONST_DOUBLE is on the
chain, but has not been allocated memory. Actual use of CONST_DOUBLE_MEM
struct constant_descriptor *next;
char *label;
rtx rtl;
- char contents[1];
+ unsigned char contents[1];
};
#define HASHBITS 30
while (desc)
{
- ggc_mark_string (desc->label);
+ ggc_mark_string ((const char *)desc->label);
ggc_mark_rtx (desc->rtl);
desc = desc->next;
}
switch (code)
{
case INTEGER_CST:
- p = (char *) &TREE_INT_CST_LOW (exp);
- len = 2 * sizeof TREE_INT_CST_LOW (exp);
+ p = (char *) &TREE_INT_CST (exp);
+ len = sizeof TREE_INT_CST (exp);
break;
case REAL_CST:
return const_hash (TREE_OPERAND (exp, 0)) * 7 + 2;
default:
- abort ();
+ /* A language specific constant. Just hash the code. */
+ return code % MAX_HASH_TABLE;
}
/* Compute hashing function */
against a subdescriptor, and if it succeeds it returns the
address of the subdescriptor for the next operand. */
-static char *
+static const unsigned char *
compare_constant_1 (exp, p)
tree exp;
- char *p;
+ const unsigned char *p;
{
- register const char *strp;
+ register const unsigned char *strp;
register int len;
register enum tree_code code = TREE_CODE (exp);
if (*p++ != TYPE_PRECISION (TREE_TYPE (exp)))
return 0;
- strp = (char *) &TREE_INT_CST_LOW (exp);
- len = 2 * sizeof TREE_INT_CST_LOW (exp);
+ strp = (unsigned char *) &TREE_INT_CST (exp);
+ len = sizeof TREE_INT_CST (exp);
break;
case REAL_CST:
if (*p++ != TYPE_PRECISION (TREE_TYPE (exp)))
return 0;
- strp = (char *) &TREE_REAL_CST (exp);
+ strp = (unsigned char *) &TREE_REAL_CST (exp);
len = sizeof TREE_REAL_CST (exp);
break;
if ((enum machine_mode) *p++ != TYPE_MODE (TREE_TYPE (exp)))
return 0;
- strp = TREE_STRING_POINTER (exp);
+ strp = (unsigned char *)TREE_STRING_POINTER (exp);
len = TREE_STRING_LENGTH (exp);
if (bcmp ((char *) &TREE_STRING_LENGTH (exp), p,
sizeof TREE_STRING_LENGTH (exp)))
unsigned char *tmp = (unsigned char *) alloca (len);
get_set_constructor_bytes (exp, tmp, len);
- strp = (char *) tmp;
+ strp = (unsigned char *) tmp;
if (bcmp ((char *) &xlen, p, sizeof xlen))
return 0;
struct addr_const value;
decode_addr_const (exp, &value);
- strp = (char *) &value.offset;
+ strp = (unsigned char *) &value.offset;
len = sizeof value.offset;
/* Compare the offset. */
while (--len >= 0)
return 0;
/* Compare symbol name. */
- strp = XSTR (value.base, 0);
- len = strlen (strp) + 1;
+ strp = (unsigned char *) XSTR (value.base, 0);
+ len = strlen ((char *) strp) + 1;
}
break;
return compare_constant_1 (TREE_OPERAND (exp, 0), p);
default:
- abort ();
+ if (lang_expand_constant)
+ {
+ exp = (*lang_expand_constant) (exp);
+ return compare_constant_1 (exp, p);
+ }
+ return 0;
}
/* Compare constant contents. */
record_constant_1 (exp)
tree exp;
{
- register char *strp;
+ register unsigned char *strp;
register int len;
register enum tree_code code = TREE_CODE (exp);
{
case INTEGER_CST:
obstack_1grow (&permanent_obstack, TYPE_PRECISION (TREE_TYPE (exp)));
- strp = (char *) &TREE_INT_CST_LOW (exp);
- len = 2 * sizeof TREE_INT_CST_LOW (exp);
+ strp = (unsigned char *) &TREE_INT_CST (exp);
+ len = sizeof TREE_INT_CST (exp);
break;
case REAL_CST:
obstack_1grow (&permanent_obstack, TYPE_PRECISION (TREE_TYPE (exp)));
- strp = (char *) &TREE_REAL_CST (exp);
+ strp = (unsigned char *) &TREE_REAL_CST (exp);
len = sizeof TREE_REAL_CST (exp);
break;
return;
obstack_1grow (&permanent_obstack, TYPE_MODE (TREE_TYPE (exp)));
- strp = TREE_STRING_POINTER (exp);
+ strp = (unsigned char *) TREE_STRING_POINTER (exp);
len = TREE_STRING_LENGTH (exp);
obstack_grow (&permanent_obstack, (char *) &TREE_STRING_LENGTH (exp),
sizeof TREE_STRING_LENGTH (exp));
return;
default:
- abort ();
+ if (lang_expand_constant)
+ {
+ exp = (*lang_expand_constant) (exp);
+ record_constant_1 (exp);
+ }
+ return;
}
/* Record constant contents. */
= gen_rtx_MEM (TYPE_MODE (TREE_TYPE (exp)),
gen_rtx_SYMBOL_REF (Pmode, desc->label));
- RTX_UNCHANGING_P (desc->rtl) = 1;
- if (AGGREGATE_TYPE_P (TREE_TYPE (exp)))
- MEM_SET_IN_STRUCT_P (desc->rtl, 1);
-
+ set_mem_attributes (desc->rtl, exp, 1);
pop_obstacks ();
found = 0;
/* We have a symbol name; construct the SYMBOL_REF and the MEM. */
def = gen_rtx_MEM (mode, gen_rtx_SYMBOL_REF (Pmode, found));
-
+ set_mem_attributes (def, type_for_mode (mode, 0), 1);
RTX_UNCHANGING_P (def) = 1;
+
/* Mark the symbol_ref as belonging to this constants pool. */
CONSTANT_POOL_ADDRESS_P (XEXP (def, 0)) = 1;
current_function_uses_const_pool = 1;
pool->mark = 0;
for (insn = get_insns (); insn; insn = NEXT_INSN (insn))
- if (GET_RTX_CLASS (GET_CODE (insn)) == 'i')
+ if (INSN_P (insn))
mark_constants (PATTERN (insn));
for (insn = current_function_epilogue_delay_list;
insn;
insn = XEXP (insn, 1))
- if (GET_RTX_CLASS (GET_CODE (insn)) == 'i')
+ if (INSN_P (insn))
mark_constants (PATTERN (insn));
/* It's possible that the only reference to a symbol is in a symbol
/* Insns may appear inside a SEQUENCE. Only check the patterns of
insns, not any notes that may be attached. We don't want to mark
a constant just because it happens to appear in a REG_EQUIV note. */
- if (GET_RTX_CLASS (GET_CODE (x)) == 'i')
+ if (INSN_P (x))
{
mark_constants (PATTERN (x));
return;
tree exp;
int size;
{
+ tree type = TREE_TYPE (exp);
register tree link, field = 0;
- HOST_WIDE_INT min_index = 0;
+ tree min_index = 0;
/* Number of bytes output or skipped so far.
In other words, current position within the constructor. */
- int total_bytes = 0;
+ HOST_WIDE_INT total_bytes = 0;
/* Non-zero means BYTE contains part of a byte, to be output. */
int byte_buffer_in_use = 0;
register int byte = 0;
if (HOST_BITS_PER_WIDE_INT < BITS_PER_UNIT)
abort ();
- if (TREE_CODE (TREE_TYPE (exp)) == RECORD_TYPE)
- field = TYPE_FIELDS (TREE_TYPE (exp));
+ if (TREE_CODE (type) == RECORD_TYPE)
+ field = TYPE_FIELDS (type);
- if (TREE_CODE (TREE_TYPE (exp)) == ARRAY_TYPE
- && TYPE_DOMAIN (TREE_TYPE (exp)) != 0)
- min_index
- = TREE_INT_CST_LOW (TYPE_MIN_VALUE (TYPE_DOMAIN (TREE_TYPE (exp))));
+ if (TREE_CODE (type) == ARRAY_TYPE
+ && TYPE_DOMAIN (type) != 0)
+ min_index = TYPE_MIN_VALUE (TYPE_DOMAIN (type));
/* As LINK goes through the elements of the constant,
FIELD goes through the structure fields, if the constant is a structure.
tree val = TREE_VALUE (link);
tree index = 0;
- /* the element in a union constructor specifies the proper field. */
-
- if (TREE_CODE (TREE_TYPE (exp)) == RECORD_TYPE
- || TREE_CODE (TREE_TYPE (exp)) == UNION_TYPE)
- {
- /* if available, use the type given by link */
- if (TREE_PURPOSE (link) != 0)
- field = TREE_PURPOSE (link);
- }
+ /* The element in a union constructor specifies the proper field
+ or index. */
+ if ((TREE_CODE (type) == RECORD_TYPE || TREE_CODE (type) == UNION_TYPE
+ || TREE_CODE (type) == QUAL_UNION_TYPE)
+ && TREE_PURPOSE (link) != 0)
+ field = TREE_PURPOSE (link);
- if (TREE_CODE (TREE_TYPE (exp)) == ARRAY_TYPE)
+ else if (TREE_CODE (type) == ARRAY_TYPE)
index = TREE_PURPOSE (link);
/* Eliminate the marker that makes a cast not be an lvalue. */
if (index && TREE_CODE (index) == RANGE_EXPR)
{
register int fieldsize
- = int_size_in_bytes (TREE_TYPE (TREE_TYPE (exp)));
- HOST_WIDE_INT lo_index = TREE_INT_CST_LOW (TREE_OPERAND (index, 0));
- HOST_WIDE_INT hi_index = TREE_INT_CST_LOW (TREE_OPERAND (index, 1));
+ = int_size_in_bytes (TREE_TYPE (type));
+ HOST_WIDE_INT lo_index = tree_low_cst (TREE_OPERAND (index, 0), 0);
+ HOST_WIDE_INT hi_index = tree_low_cst (TREE_OPERAND (index, 1), 0);
HOST_WIDE_INT index;
+
for (index = lo_index; index <= hi_index; index++)
{
/* Output the element's initial value. */
register int fieldsize;
/* Since this structure is static,
we know the positions are constant. */
- HOST_WIDE_INT bitpos = field ? int_byte_position (field) : 0;
+ HOST_WIDE_INT pos = field ? int_byte_position (field) : 0;
if (index != 0)
- bitpos
- = (tree_low_cst (TYPE_SIZE_UNIT (TREE_TYPE (val)), 1)
- * (tree_low_cst (index, 0) - min_index));
+ pos = (tree_low_cst (TYPE_SIZE_UNIT (TREE_TYPE (val)), 1)
+ * (tree_low_cst (index, 0) - tree_low_cst (min_index, 0)));
/* Output any buffered-up bit-fields preceding this element. */
if (byte_buffer_in_use)
/* Advance to offset of this element.
Note no alignment needed in an array, since that is guaranteed
if each element has the proper size. */
- if ((field != 0 || index != 0) && bitpos != total_bytes)
+ if ((field != 0 || index != 0) && pos != total_bytes)
{
- assemble_zeros (bitpos - total_bytes);
- total_bytes = bitpos;
+ assemble_zeros (pos - total_bytes);
+ total_bytes = pos;
}
+ else if (field != 0 && DECL_PACKED (field))
+ /* Some assemblers automaticallly align a datum according to its
+ size if no align directive is specified. The datum, however,
+ may be declared with 'packed' attribute, so we have to disable
+ such a feature. */
+ ASM_OUTPUT_ALIGN (asm_out_file, 0);
+
/* Determine size this element should occupy. */
if (field)
- {
- if (TREE_CODE (DECL_SIZE_UNIT (field)) != INTEGER_CST)
- abort ();
-
- fieldsize = TREE_INT_CST_LOW (DECL_SIZE_UNIT (field));
- }
+ fieldsize = tree_low_cst (DECL_SIZE_UNIT (field), 1);
else
- fieldsize = int_size_in_bytes (TREE_TYPE (TREE_TYPE (exp)));
+ fieldsize = int_size_in_bytes (TREE_TYPE (type));
/* Output the element's initial value. */
if (val == 0)
int this_time;
int shift;
HOST_WIDE_INT value;
- int next_byte = next_offset / BITS_PER_UNIT;
- int next_bit = next_offset % BITS_PER_UNIT;
+ HOST_WIDE_INT next_byte = next_offset / BITS_PER_UNIT;
+ HOST_WIDE_INT next_bit = next_offset % BITS_PER_UNIT;
/* Advance from byte to byte
within this element when necessary. */
first (of the bits that are significant)
and put them into bytes from the most significant end. */
shift = end_offset - next_offset - this_time;
+
/* Don't try to take a bunch of bits that cross
the word boundary in the INTEGER_CST. We can
only select bits from the LOW or HIGH part
/* Now get the bits from the appropriate constant word. */
if (shift < HOST_BITS_PER_WIDE_INT)
- {
- value = TREE_INT_CST_LOW (val);
- }
+ value = TREE_INT_CST_LOW (val);
else if (shift < 2 * HOST_BITS_PER_WIDE_INT)
{
value = TREE_INT_CST_HIGH (val);
}
else
abort ();
+
/* Get the result. This works only when:
1 <= this_time <= HOST_BITS_PER_WIDE_INT. */
byte |= (((value >> shift)
& (((HOST_WIDE_INT) 2 << (this_time - 1)) - 1))
<< next_bit);
}
+
next_offset += this_time;
byte_buffer_in_use = 1;
}
}
}
+
if (byte_buffer_in_use)
{
ASM_OUTPUT_BYTE (asm_out_file, byte);
total_bytes++;
}
+
if (total_bytes < size)
assemble_zeros (size - total_bytes);
}
int
add_weak (name, value)
- char *name;
- char *value;
+ const char *name;
+ const char *value;
{
struct weak_syms *weak;
#ifdef ASM_WEAKEN_LABEL
static void
remove_from_pending_weak_list (name)
- char *name ATTRIBUTE_UNUSED;
+ const char *name ATTRIBUTE_UNUSED;
{
#ifdef HANDLE_PRAGMA_WEAK
if (HANDLE_PRAGMA_WEAK)
mark_const_hash_entry);
ggc_add_string_root (&in_named_name, 1);
}
+
+/* Extra support for EH values. */
+void
+assemble_eh_label (name)
+ const char *name;
+{
+#ifdef ASM_OUTPUT_EH_LABEL
+ ASM_OUTPUT_EH_LABEL (asm_out_file, name);
+#else
+ assemble_label (name);
+#endif
+}
+
+/* Assemble an alignment pseudo op for an ALIGN-bit boundary. */
+
+void
+assemble_eh_align (align)
+ int align;
+{
+#ifdef ASM_OUTPUT_EH_ALIGN
+ if (align > BITS_PER_UNIT)
+ ASM_OUTPUT_EH_ALIGN (asm_out_file, floor_log2 (align / BITS_PER_UNIT));
+#else
+ assemble_align (align);
+#endif
+}
+
+
+/* On some platforms, we may want to specify a special mechansim to
+ output EH data when generating with a function.. */
+int
+assemble_eh_integer (x, size, force)
+ rtx x;
+ int size;
+ int force;
+{
+
+ switch (size)
+ {
+#ifdef ASM_OUTPUT_EH_CHAR
+ case 1:
+ ASM_OUTPUT_EH_CHAR (asm_out_file, x);
+ return 1;
+#endif
+
+#ifdef ASM_OUTPUT_EH_SHORT
+ case 2:
+ ASM_OUTPUT_EH_SHORT (asm_out_file, x);
+ return 1;
+#endif
+
+#ifdef ASM_OUTPUT_EH_INT
+ case 4:
+ ASM_OUTPUT_EH_INT (asm_out_file, x);
+ return 1;
+#endif
+
+#ifdef ASM_OUTPUT_EH_DOUBLE_INT
+ case 8:
+ ASM_OUTPUT_EH_DOUBLE_INT (asm_out_file, x);
+ return 1;
+#endif
+
+ default:
+ break;
+ }
+ return (assemble_integer (x, size, force));
+}
+
+
+
git://gcc.gnu.org / gcc.git / blobdiff