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update for x86_64-gen.c

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This commit is contained in:
jiang
2014-05-01 20:58:43 +08:00
parent 2742fbcf95
commit 59a22d59a2
4 changed files with 310 additions and 332 deletions
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74
tccgen.c
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@ -520,7 +520,7 @@ ST_FUNC void vpushv(SValue *v)
*vtop = *v;
}
static void vdup(void)
ST_FUNC void vdup(void)
{
vpushv(vtop);
}
@ -682,7 +682,7 @@ static void move_reg(int r, int s, int t)
}
/* get address of vtop (vtop MUST BE an lvalue) */
static void gaddrof(void)
ST_FUNC void gaddrof(void)
{
if (vtop->r & VT_REF)
gv(RC_INT);
@ -2531,31 +2531,55 @@ ST_FUNC void vstore(void)
/* structure assignment : generate memcpy */
/* XXX: optimize if small size */
if (!nocode_wanted) {
size = type_size(&vtop->type, &align);
/* destination */
vswap();
vtop->type.t = VT_PTR;
gaddrof();
/* address of memcpy() */
SValue ret;
int ret_nregs, ret_align;
ret_nregs = gfunc_sret(&vtop->type, func_var, &ret.type, &ret_align);
if(0){
vswap();
vpushv(vtop - 1);
vtop[0].type = ret.type;
vtop[-1].type = ret.type;
vstore_im();
vtop -=2;
}else{
size = type_size(&vtop->type, &align);
#ifdef TCC_ARM_EABI
if(!(align & 7))
vpush_global_sym(&func_old_type, TOK_memcpy8);
else if(!(align & 3))
vpush_global_sym(&func_old_type, TOK_memcpy4);
else
#endif
vpush_global_sym(&func_old_type, TOK_memcpy);
/* destination */
vswap();
vtop->type.t = VT_PTR;
gaddrof();
vswap();
/* source */
vpushv(vtop - 2);
vtop->type.t = VT_PTR;
gaddrof();
/* type size */
vpushi(size);
gfunc_call(3);
/* address of memcpy() */
if(!(align & 7))
vpush_global_sym(&func_old_type, TOK_memcpy8);
else if(!(align & 3))
vpush_global_sym(&func_old_type, TOK_memcpy4);
else
vpush_global_sym(&func_old_type, TOK_memcpy);
vswap();
/* source */
vpushv(vtop - 2);
vtop->type.t = VT_PTR;
gaddrof();
/* type size */
vpushi(size);
gfunc_call(3);
#else
/* destination */
vswap();
vtop->type.t = VT_PTR;
gaddrof();
/* source */
vpushv(vtop - 1);
vtop->type.t = VT_PTR;
gaddrof();
/* size */
vpushi(size);
struct_copy(&vtop[-2], &vtop[-1], &vtop[0]);
vtop -=3;
#endif
}
} else {
vswap();
vpop();