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tinycc
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suppressed another alloc

tcc-xref
bellard 2001-11-08 01:30:44 +00:00
parent cdf6247518
commit cd526480b8
1 changed files with 6 additions and 4 deletions
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10
tcc.c
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@ -27,6 +27,7 @@
#define MACRO_STACK_SIZE 32
#define INCLUDE_STACK_SIZE 32
#define IFDEF_STACK_SIZE 64
#define VSTACK_SIZE 64
#define NB_REGS 3
@ -61,11 +62,11 @@ typedef struct {
*/
FILE *file;
int tok, tok1, tokc, rsym, anon_sym,
prog, ind, loc, glo, vt, *vstack, *vstack_ptr,
vc, line_num;
prog, ind, loc, glo, vt, vc, line_num;
char *idtable, *idptr, *filename;
Sym *define_stack, *global_stack, *local_stack, *label_stack;
int vstack[VSTACK_SIZE], *vstack_ptr;
char *macro_stack[MACRO_STACK_SIZE], **macro_stack_ptr, *macro_ptr;
IncludeFile include_stack[INCLUDE_STACK_SIZE], *include_stack_ptr;
int ifdef_stack[IFDEF_STACK_SIZE], *ifdef_stack_ptr;
@ -541,7 +542,7 @@ void preprocess()
/* now 'tok' is the macro symbol */
/* a space is inserted after each macro */
str = get_str(' ');
printf("define %s '%s'\n", get_tok_str(tok), str);
// printf("define %s '%s'\n", get_tok_str(tok), str);
sym_push1(&define_stack, tok, 0, (int)str);
} else if (tok == TOK_INCLUDE) {
skip_spaces();
@ -1105,6 +1106,8 @@ int gvp(int *p)
void vpush()
{
if (vstack_ptr >= vstack + VSTACK_SIZE)
error("memory full");
*vstack_ptr++ = vt;
*vstack_ptr++ = vc;
/* cannot let cpu flags if other instruction are generated */
@ -2330,7 +2333,6 @@ int main(int c, char **v)
glo = malloc(DATA_SIZE);
memset((void *)glo, 0, DATA_SIZE);
prog = malloc(TEXT_SIZE);
vstack = malloc(256);
vstack_ptr = vstack;
macro_stack_ptr = macro_stack;
anon_sym = 1 << (31 - VT_STRUCT_SHIFT);