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x86-asm: move stats code

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The old place (tccasm.c) didn't have access to the variables anymore
and was ifdefed out.  Move it to i386-asm.c.
This commit is contained in:
Michael Matz 2016-05-15 18:38:12 +02:00
parent ed35ac841b
commit 4af6e087dd
2 changed files with 40 additions and 32 deletions
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40
i386-asm.c
View File

@ -504,6 +504,45 @@ static inline int asm_modrm(int reg, Operand *op)
return 0; return 0;
} }
static void maybe_print_stats (void)
{
static int already = 1;
if (!already)
/* print stats about opcodes */
{
const struct ASMInstr *pa;
int freq[4];
int op_vals[500];
int nb_op_vals, i, j;
already = 1;
nb_op_vals = 0;
memset(freq, 0, sizeof(freq));
for(pa = asm_instrs; pa->sym != 0; pa++) {
freq[pa->nb_ops]++;
//for(i=0;i<pa->nb_ops;i++) {
for(j=0;j<nb_op_vals;j++) {
//if (pa->op_type[i] == op_vals[j])
if (pa->instr_type == op_vals[j])
goto found;
}
//op_vals[nb_op_vals++] = pa->op_type[i];
op_vals[nb_op_vals++] = pa->instr_type;
found: ;
//}
}
for(i=0;i<nb_op_vals;i++) {
int v = op_vals[i];
//if ((v & (v - 1)) != 0)
printf("%3d: %08x\n", i, v);
}
printf("size=%d nb=%d f0=%d f1=%d f2=%d f3=%d\n",
(int)sizeof(asm_instrs),
(int)sizeof(asm_instrs) / (int)sizeof(ASMInstr),
freq[0], freq[1], freq[2], freq[3]);
}
}
ST_FUNC void asm_opcode(TCCState *s1, int opcode) ST_FUNC void asm_opcode(TCCState *s1, int opcode)
{ {
const ASMInstr *pa; const ASMInstr *pa;
@ -515,6 +554,7 @@ ST_FUNC void asm_opcode(TCCState *s1, int opcode)
int autosize; int autosize;
int p66; int p66;
maybe_print_stats();
/* force synthetic ';' after prefix instruction, so we can handle */ /* force synthetic ';' after prefix instruction, so we can handle */
/* one-line things like "rep stosb" instead of only "rep\nstosb" */ /* one-line things like "rep stosb" instead of only "rep\nstosb" */
if (opcode >= TOK_ASM_wait && opcode <= TOK_ASM_repnz) if (opcode >= TOK_ASM_wait && opcode <= TOK_ASM_repnz)

32
tccasm.c
View File

@ -757,38 +757,6 @@ static int tcc_assemble_internal(TCCState *s1, int do_preprocess)
{ {
int opcode; int opcode;
#if 0
/* print stats about opcodes */
{
const ASMInstr *pa;
int freq[4];
int op_vals[500];
int nb_op_vals, i, j;
nb_op_vals = 0;
memset(freq, 0, sizeof(freq));
for(pa = asm_instrs; pa->sym != 0; pa++) {
freq[pa->nb_ops]++;
for(i=0;i<pa->nb_ops;i++) {
for(j=0;j<nb_op_vals;j++) {
if (pa->op_type[i] == op_vals[j])
goto found;
}
op_vals[nb_op_vals++] = pa->op_type[i];
found: ;
}
}
for(i=0;i<nb_op_vals;i++) {
int v = op_vals[i];
if ((v & (v - 1)) != 0)
printf("%3d: %08x\n", i, v);
}
printf("size=%d nb=%d f0=%d f1=%d f2=%d f3=%d\n",
sizeof(asm_instrs), sizeof(asm_instrs) / sizeof(ASMInstr),
freq[0], freq[1], freq[2], freq[3]);
}
#endif
/* XXX: undefine C labels */ /* XXX: undefine C labels */
ch = file->buf_ptr[0]; ch = file->buf_ptr[0];