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A reverse of the commit 14745bdeb because of the problems while compiling linux 2.4.26

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A test program:
    ///////////
    typedef unsigned int __u32;
    static inline const __u32 __fswab32(__u32 x)
    {
	return ({ __u32 __tmp = (x) ; ___swab32(__tmp); });
    }
    void func()
    {
	int aaa = 1;
	int snd_wnd = 2;
	int TCP_FLAG_ACK = 3;
	int pred_flags = (__builtin_constant_p((__u32)
	    (((aaa << 26) |
	    (__builtin_constant_p((__u32)((TCP_FLAG_ACK))) ?
		({ __u32 __x = (((TCP_FLAG_ACK))); ((__u32)( (((__u32)(__x) & (__u32)0x000000ffUL) << 24) | (((__u32)(__x) & (__u32)0x0000ff00UL) << 8) | (((__u32)(__x) & (__u32)0x00ff0000UL) >> 8) | (((__u32)(__x) & (__u32)0xff000000UL) >> 24) )); }) : __fswab32(((TCP_FLAG_ACK)))) | snd_wnd))) ? ({ __u32 __x = ((((aaa << 26) | (__builtin_constant_p((__u32)((TCP_FLAG_ACK))) ? ({ __u32 __x = (((TCP_FLAG_ACK))); ((__u32)( (((__u32)(__x) & (__u32)0x000000ffUL) << 24) | (((__u32)(__x) & (__u32)0x0000ff00UL) << 8) | (((__u32)(__x) & (__u32)0x00ff0000UL) >> 8) | (((__u32)(__x) & (__u32)0xff000000UL) >> 24) )); }) : __fswab32(((TCP_FLAG_ACK)))) | snd_wnd))); ((__u32)( (((__u32)(__x) & (__u32)0x000000ffUL) << 24) | (((__u32)(__x) & (__u32)0x0000ff00UL) << 8) | (((__u32)(__x) & (__u32)0x00ff0000UL) >> 8) | (((__u32)(__x) & (__u32)0xff000000UL) >> 24) )); }) : __fswab32((((aaa << 26) | (__builtin_constant_p((__u32)((TCP_FLAG_ACK))) ? ({ __u32 __x = (((TCP_FLAG_ACK))); ((__u32)( (((__u32)(__x) & (__u32)0x000000ffUL) << 24) | (((__u32)(__x) & (__u32)0x0000ff00UL) << 8) | (((__u32)(__x) & (__u32)0x00ff0000UL) >> 8) | (((__u32)(__x) & (__u32)0xff000000UL) >> 24) )); })
		: __fswab32(((TCP_FLAG_ACK)))) | snd_wnd))));
    }
    ////////////
error: ';' expected (got "(")
This commit is contained in:
seyko 2015-03-03 15:44:29 +03:00
parent 6fd4e5bace
commit c45a8695eb
2 changed files with 16 additions and 18 deletions
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1
libtcc.c
View File

@ -786,6 +786,7 @@ static int tcc_compile(TCCState *s1)
#endif
define_start = define_stack;
nocode_wanted = 1;
if (setjmp(s1->error_jmp_buf) == 0) {
s1->nb_errors = 0;

33
tccgen.c
View File

@ -5661,7 +5661,9 @@ static void decl_initializer_alloc(CType *type, AttributeDef *ad, int r,
literals). It also simplifies local
initializers handling */
tok_str_new(&init_str);
if ((size < 0 || flexible_array) && has_init) {
if (size < 0 || (flexible_array && has_init)) {
if (!has_init)
tcc_error("unknown type size");
/* get all init string */
if (has_init == 2) {
/* only get strings */
@ -5700,19 +5702,11 @@ static void decl_initializer_alloc(CType *type, AttributeDef *ad, int r,
macro_ptr = init_str.str;
next();
/* if still unknown size, error */
size = type_size(type, &align);
if (size < 0)
tcc_error("unknown type size");
}
/* if still unknown size, error */
if (size < 0)
tcc_error("unknown type size");
if (nocode_wanted) {
//tcc_warning("nocode_wanted set for decl_initializer_alloc");
vset(type, r, 0);
goto no_alloc;
}
if (flexible_array)
size += flexible_array->type.ref->c * pointed_size(&flexible_array->type);
/* take into account specified alignment if bigger */
@ -5859,17 +5853,17 @@ static void decl_initializer_alloc(CType *type, AttributeDef *ad, int r,
}
if (has_init || (type->t & VT_VLA)) {
decl_initializer(type, sec, addr, 1, 0);
/* restore parse state if needed */
if (init_str.str) {
tok_str_free(init_str.str);
restore_parse_state(&saved_parse_state);
}
/* patch flexible array member size back to -1, */
/* for possible subsequent similar declarations */
if (flexible_array)
flexible_array->type.ref->c = -1;
}
no_alloc:
/* restore parse state if needed */
if (init_str.str) {
tok_str_free(init_str.str);
restore_parse_state(&saved_parse_state);
}
no_alloc: ;
}
static void put_func_debug(Sym *sym)
@ -5941,6 +5935,8 @@ static void func_decl_list(Sym *func_sym)
'cur_text_section' */
static void gen_function(Sym *sym)
{
int saved_nocode_wanted = nocode_wanted;
nocode_wanted = 0;
ind = cur_text_section->data_offset;
/* NOTE: we patch the symbol size later */
put_extern_sym(sym, cur_text_section, ind, 0);
@ -5996,6 +5992,7 @@ static void gen_function(Sym *sym)
func_vt.t = VT_VOID; /* for safety */
func_var = 0; /* for safety */
ind = 0; /* for safety */
nocode_wanted = saved_nocode_wanted;
}
ST_FUNC void gen_inline_functions(void)