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c-tree.h (struct c_declspecs): Remove typedef_decl.

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* c-tree.h (struct c_declspecs): Remove typedef_decl.  Add
	typedef_p and typedef_signed_p.
	* c-decl.c (shadow_tag_warned): Check typedef_p, not typedef_decl.
	(grokdeclarator): Don't use typedef_decl for warn_deprecated_use.
	Check typedef_p and typedef_signed_p, not typedef_decl.
	(grokfield): Check typedef_p, not typedef_decl.
	(build_null_declspecs): Initialize typedef_p and typedef_signed_p,
	not typedef_decl.
	(declspecs_add_type): Set typedef_p and typedef_signed_p, not
	typedef_decl.

testsuite:
	* gcc.dg/bitfld-9.c: New test.

From-SVN: r87326
This commit is contained in:
Joseph Myers 2004-09-11 00:10:05 +01:00 committed by Joseph Myers
parent a8508d5144
commit 616aeba2bb
5 changed files with 152 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
gcc/ChangeLog
View File

@ -1,3 +1,16 @@
2004-09-11 Joseph S. Myers <jsm@polyomino.org.uk>
* c-tree.h (struct c_declspecs): Remove typedef_decl. Add
typedef_p and typedef_signed_p.
* c-decl.c (shadow_tag_warned): Check typedef_p, not typedef_decl.
(grokdeclarator): Don't use typedef_decl for warn_deprecated_use.
Check typedef_p and typedef_signed_p, not typedef_decl.
(grokfield): Check typedef_p, not typedef_decl.
(build_null_declspecs): Initialize typedef_p and typedef_signed_p,
not typedef_decl.
(declspecs_add_type): Set typedef_p and typedef_signed_p, not
typedef_decl.
2004-09-10 Kazu Hirata <kazu@cs.umass.edu>
* doc/tm.texi, doc/tree-ssa.texi: Fix typos.

24
gcc/c-decl.c
View File

@ -2681,7 +2681,7 @@ shadow_tag_warned (const struct c_declspecs *declspecs, int warned)
pending_invalid_xref = 0;
if (declspecs->type && !declspecs->typedef_decl)
if (declspecs->type && !declspecs->typedef_p)
{
tree value = declspecs->type;
enum tree_code code = TREE_CODE (value);
@ -2724,7 +2724,7 @@ shadow_tag_warned (const struct c_declspecs *declspecs, int warned)
}
}
}
else if (warned != 1 && !in_system_header && declspecs->typedef_decl)
else if (warned != 1 && !in_system_header && declspecs->typedef_p)
{
pedwarn ("useless type name in empty declaration");
warned = 1;
@ -3666,9 +3666,7 @@ grokdeclarator (const struct c_declarator *declarator,
decl_context = PARM;
if (declspecs->deprecated_p && deprecated_state != DEPRECATED_SUPPRESS)
warn_deprecated_use (declspecs->typedef_decl
? declspecs->typedef_decl
: declspecs->type);
warn_deprecated_use (declspecs->type);
typedef_type = type;
if (type)
@ -3782,8 +3780,7 @@ grokdeclarator (const struct c_declarator *declarator,
|| declspecs->explicit_char_p
/* A typedef for plain `int' without `signed'
can be controlled just like plain `int'. */
|| ! (declspecs->typedef_decl != 0
&& C_TYPEDEF_EXPLICITLY_SIGNED (declspecs->typedef_decl)))
|| !declspecs->typedef_signed_p)
&& TREE_CODE (type) != ENUMERAL_TYPE
&& !(specbits & 1 << (int) RID_SIGNED)))
{
@ -3795,7 +3792,7 @@ grokdeclarator (const struct c_declarator *declarator,
type = short_unsigned_type_node;
else if (type == char_type_node)
type = unsigned_char_type_node;
else if (declspecs->typedef_decl)
else if (declspecs->typedef_p)
type = c_common_unsigned_type (type);
else
type = unsigned_type_node;
@ -4352,8 +4349,7 @@ grokdeclarator (const struct c_declarator *declarator,
type = c_build_qualified_type (type, type_quals);
decl = build_decl (TYPE_DECL, declarator->u.id, type);
if ((specbits & (1 << (int) RID_SIGNED))
|| (declspecs->typedef_decl
&& C_TYPEDEF_EXPLICITLY_SIGNED (declspecs->typedef_decl)))
|| declspecs->typedef_signed_p)
C_TYPEDEF_EXPLICITLY_SIGNED (decl) = 1;
decl_attributes (&decl, returned_attrs, 0);
return decl;
@ -5099,7 +5095,7 @@ grokfield (struct c_declarator *declarator, struct c_declspecs *declspecs,
if (type
&& (TREE_CODE (type) == RECORD_TYPE
|| TREE_CODE (type) == UNION_TYPE)
&& (flag_ms_extensions || !declspecs->typedef_decl))
&& (flag_ms_extensions || !declspecs->typedef_p))
{
if (flag_ms_extensions)
; /* ok */
@ -6728,11 +6724,12 @@ build_null_declspecs (void)
{
struct c_declspecs *ret = XOBNEW (&parser_obstack, struct c_declspecs);
ret->type = 0;
ret->typedef_decl = 0;
ret->decl_attr = 0;
ret->attrs = 0;
ret->specbits = 0;
ret->non_sc_seen_p = false;
ret->typedef_p = false;
ret->typedef_signed_p = false;
ret->deprecated_p = false;
ret->explicit_int_p = false;
ret->explicit_char_p = false;
@ -6807,7 +6804,8 @@ declspecs_add_type (struct c_declspecs *specs, tree type)
{
specs->type = TREE_TYPE (type);
specs->decl_attr = DECL_ATTRIBUTES (type);
specs->typedef_decl = type;
specs->typedef_p = true;
specs->typedef_signed_p = C_TYPEDEF_EXPLICITLY_SIGNED (type);
}
}
/* Built-in types come as identifiers. */

7
gcc/c-tree.h
View File

@ -136,8 +136,6 @@ struct c_declspecs {
/* The type specified, not reflecting modifiers such as "short" and
"unsigned", or NULL_TREE if none. */
tree type;
/* If the type was specified with a typedef, that typedef decl. */
tree typedef_decl;
/* The attributes from a typedef decl. */
tree decl_attr;
/* When parsing, the attributes. Outside the parser, this will be
@ -153,6 +151,11 @@ struct c_declspecs {
specifiers to be handled separately from storage class
specifiers.) */
BOOL_BITFIELD non_sc_seen_p : 1;
/* Whether the type is specified by a typedef. */
BOOL_BITFIELD typedef_p : 1;
/* Whether the type is specified by a typedef whose type is
explicitly "signed". */
BOOL_BITFIELD typedef_signed_p : 1;
/* Whether the specifiers include a deprecated typedef. */
BOOL_BITFIELD deprecated_p : 1;
/* Whether "int" was explicitly specified. */

4
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,7 @@
2004-09-11 Joseph S. Myers <jsm@polyomino.org.uk>
* gcc.dg/bitfld-9.c: New test.
2004-09-10 Richard Sandiford <rsandifo@redhat.com>
* gcc.c-torture/execute/ieee/acc1.c: New test.

119
gcc/testsuite/gcc.dg/bitfld-9.c Normal file
View File

@ -0,0 +1,119 @@
/* Test -funsigned-bitfields works. */
/* Origin: Joseph Myers <jsm@polyomino.org.uk> */
/* { dg-do run } */
/* { dg-options "-funsigned-bitfields -fsigned-char" } */
typedef char c;
typedef signed char sc;
typedef unsigned char uc;
typedef short s;
typedef signed short ss;
typedef unsigned short us;
typedef n;
typedef int i;
typedef signed int si;
typedef unsigned int ui;
typedef long l;
typedef signed long sl;
typedef unsigned long ul;
typedef long long ll;
typedef signed long long sll;
typedef unsigned long long ull;
typedef c ct;
typedef sc sct;
typedef uc uct;
typedef s st;
typedef ss sst;
typedef us ust;
typedef n nt;
typedef i it;
typedef si sit;
typedef ui uit;
typedef l lt;
typedef sl slt;
typedef ul ult;
typedef ll llt;
typedef sll sllt;
typedef ull ullt;
struct foo {
char char0 : 1;
c char1 : 1;
ct char2 : 1;
signed char schar0 : 1;
sc schar1 : 1;
sct schar2 : 1;
unsigned char uchar0 : 1;
uc uchar1 : 1;
uct uchar2 : 1;
short short0 : 1;
s short1 : 1;
st short2 : 1;
signed short sshort0 : 1;
ss sshort1 : 1;
sst sshort2 : 1;
unsigned short ushort0 : 1;
us ushort1 : 1;
ust ushort2 : 1;
__attribute__((dummy)) int0 : 1; /* { dg-warning "attribute directive ignored" } */
n int1 : 1;
nt int2 : 1;
int int3 : 1;
i int4 : 1;
it int5 : 1;
signed int sint0 : 1;
si sint1 : 1;
sit sint2 : 1;
unsigned int uint0 : 1;
ui uint1 : 1;
uit uint2 : 1;
long long0 : 1;
l long1 : 1;
lt long2 : 1;
signed long slong0 : 1;
sl slong1 : 1;
slt slong2 : 1;
unsigned long ulong0 : 1;
ul ulong1 : 1;
ult ulong2 : 1;
long long llong0 : 1;
ll llong1 : 1;
llt llong2 : 1;
signed long long sllong0 : 1;
sll sllong1 : 1;
sllt sllong2 : 1;
unsigned long long ullong0 : 1;
ull ullong1 : 1;
ullt ullong2 : 1;
};
struct foo x;
extern void abort (void);
extern void exit (int);
extern void *memset (void *, int, __SIZE_TYPE__);
int
main (void)
{
memset (&x, (unsigned char)-1, sizeof(x));
if (x.char0 != 1 || x.char1 != 1 || x.char2 != 1
|| x.schar0 != -1 || x.schar1 != -1 || x.schar2 != -1
|| x.uchar0 != 1 || x.uchar1 != 1 || x.uchar2 != 1
|| x.short0 != 1 || x.short1 != 1 || x.short2 != 1
|| x.sshort0 != -1 || x.sshort1 != -1 || x.sshort2 != -1
|| x.ushort0 != 1 || x.ushort1 != 1 || x.ushort2 != 1
|| x.int0 != 1 || x.int1 != 1 || x.int2 != 1
|| x.int3 != 1 || x.int4 != 1 || x.int5 != 1
|| x.sint0 != -1 || x.sint1 != -1 || x.sint2 != -1
|| x.uint0 != 1 || x.uint1 != 1 || x.uint2 != 1
|| x.long0 != 1 || x.long1 != 1 || x.long2 != 1
|| x.slong0 != -1 || x.slong1 != -1 || x.slong2 != -1
|| x.ulong0 != 1 || x.ulong1 != 1 || x.ulong2 != 1
|| x.llong0 != 1 || x.llong1 != 1 || x.llong2 != 1
|| x.sllong0 != -1 || x.sllong1 != -1 || x.sllong2 != -1
|| x.ullong0 != 1 || x.ullong1 != 1 || x.ullong2 != 1)
abort ();
exit (0);
}