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small performance tweak; inline assignment

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This commit is contained in:
Yukihiro Matsumoto
2012-09-04 23:02:24 +09:00
parent bf7f9f83c7
commit 50d469d900
1 changed files with 29 additions and 36 deletions
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src/vm.c
+29 -36
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@@ -404,6 +404,11 @@ argnum_error(mrb_state *mrb, int num)
#define SET_INT_VALUE(r,n) MRB_SET_VALUE(r, MRB_TT_FIXNUM, value.i, (n))
#define SET_SYM_VALUE(r,v) MRB_SET_VALUE(r, MRB_TT_SYMBOL, value.sym, (v))
#define SET_OBJ_VALUE(r,v) MRB_SET_VALUE(r, (((struct RObject*)(v))->tt), value.p, (v))
#ifdef MRB_NAN_BOXING
#define SET_FLT_VALUE(r,v) r.f = (v)
#else
#define SET_FLT_VALUE(r,v) MRB_SET_VALUE(r, MRB_TT_FLOAT, value.f, (v))
#endif
#ifdef __GNUC__
#define DIRECT_THREADED
@@ -496,17 +501,7 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
CASE(OP_MOVE) {
/* A B R(A) := R(B) */
#if 1
regs[GETARG_A(i)] = regs[GETARG_B(i)];
#elif 0
int a = GETARG_A(i);
int b = GETARG_B(i);
regs[a].tt = regs[b].tt;
regs[a].value = regs[b].value;
#else
memcpy(regs+GETARG_A(i), regs+GETARG_B(i), sizeof(mrb_value));
#endif
NEXT;
}
@@ -530,19 +525,19 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
CASE(OP_LOADSELF) {
/* A R(A) := self */
regs[GETARG_A(i)] = mrb->stack[0];
regs[GETARG_A(i)] = regs[0];
NEXT;
}
CASE(OP_LOADT) {
/* A R(A) := true */
regs[GETARG_A(i)] = mrb_true_value();
SET_TRUE_VALUE(regs[GETARG_A(i)]);
NEXT;
}
CASE(OP_LOADF) {
/* A R(A) := false */
regs[GETARG_A(i)] = mrb_false_value();
SET_FALSE_VALUE(regs[GETARG_A(i)]);
NEXT;
}
@@ -624,6 +619,7 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
CASE(OP_GETUPVAR) {
/* A B C R(A) := uvget(B,C) */
regs[GETARG_A(i)] = uvget(mrb, GETARG_C(i), GETARG_B(i));
NEXT;
}
@@ -671,7 +667,7 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
CASE(OP_RESCUE) {
/* A R(A) := exc; clear(exc) */
SET_OBJ_VALUE(regs[GETARG_A(i)],mrb->exc);
SET_OBJ_VALUE(regs[GETARG_A(i)], mrb->exc);
mrb->exc = 0;
NEXT;
}
@@ -1278,16 +1274,17 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
z = x + y;
if (((x < 0) ^ (y < 0)) == 0 && (x < 0) != (z < 0)) {
/* integer overflow */
return mrb_float_value((mrb_float)x + (mrb_float)y);
SET_FLT_VALUE(regs[a], (mrb_float)x + (mrb_float)y);
break;
}
regs[a] = mrb_fixnum_value(z);
SET_INT_VALUE(regs[a], z);
}
break;
case TYPES2(MRB_TT_FIXNUM,MRB_TT_FLOAT):
{
mrb_int x = mrb_fixnum(regs[a]);
mrb_float y = mrb_float(regs[a+1]);
regs[a] = mrb_float_value((mrb_float)x + y);
SET_FLT_VALUE(regs[a], (mrb_float)x + y);
}
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FIXNUM):
@@ -1297,10 +1294,9 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
OP_MATH_BODY(+,attr_f,attr_f);
break;
case TYPES2(MRB_TT_STRING,MRB_TT_STRING):
regs[a] = mrb_str_plus(mrb, regs[a], regs[a+1]);
regs[a] = mrb_str_plus(mrb, regs[a], regs[a+1]);
break;
default:
i = MKOP_ABC(OP_SEND, a, GETARG_B(i), GETARG_C(i));
goto L_SEND;
}
mrb->arena_idx = ai;
@@ -1322,16 +1318,17 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
z = x - y;
if (((x < 0) ^ (y < 0)) == 0 && (x < 0) != (z < 0)) {
/* integer overflow */
return mrb_float_value((mrb_float)x - (mrb_float)y);
SET_FLT_VALUE(regs[a], (mrb_float)x - (mrb_float)y);
break;
}
regs[a] = mrb_fixnum_value(z);
SET_INT_VALUE(regs[a], z);
}
break;
case TYPES2(MRB_TT_FIXNUM,MRB_TT_FLOAT):
{
mrb_int x = mrb_fixnum(regs[a]);
mrb_float y = mrb_float(regs[a+1]);
regs[a] = mrb_float_value((mrb_float)x - y);
SET_FLT_VALUE(regs[a], (mrb_float)x - y);
}
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FIXNUM):
@@ -1341,7 +1338,6 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
OP_MATH_BODY(-,attr_f,attr_f);
break;
default:
i = MKOP_ABC(OP_SEND, a, GETARG_B(i), GETARG_C(i));
goto L_SEND;
}
NEXT;
@@ -1361,10 +1357,10 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
y = mrb_fixnum(regs[a+1]);
z = x * y;
if (x != 0 && z/x != y) {
regs[a] = mrb_float_value((mrb_float)x * (mrb_float)y);
SET_FLT_VALUE(regs[a], (mrb_float)x * (mrb_float)y);
}
else {
regs[a] = mrb_fixnum_value(z);
SET_INT_VALUE(regs[a], z);
}
}
break;
@@ -1372,7 +1368,7 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
{
mrb_int x = mrb_fixnum(regs[a]);
mrb_float y = mrb_float(regs[a+1]);
regs[a] = mrb_float_value((mrb_float)x * y);
SET_FLT_VALUE(regs[a], (mrb_float)x * y);
}
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FIXNUM):
@@ -1382,7 +1378,6 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
OP_MATH_BODY(*,attr_f,attr_f);
break;
default:
i = MKOP_ABC(OP_SEND, a, GETARG_B(i), GETARG_C(i));
goto L_SEND;
}
NEXT;
@@ -1398,14 +1393,14 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
{
mrb_int x = mrb_fixnum(regs[a]);
mrb_int y = mrb_fixnum(regs[a+1]);
regs[a] = mrb_float_value((mrb_float)x / (mrb_float)y);
SET_FLT_VALUE(regs[a], (mrb_float)x / (mrb_float)y);
}
break;
case TYPES2(MRB_TT_FIXNUM,MRB_TT_FLOAT):
{
mrb_int x = mrb_fixnum(regs[a]);
mrb_float y = mrb_float(regs[a+1]);
regs[a] = mrb_float_value((mrb_float)x / y);
SET_FLT_VALUE(regs[a], (mrb_float)x / y);
}
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FIXNUM):
@@ -1415,7 +1410,6 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
OP_MATH_BODY(/,attr_f,attr_f);
break;
default:
i = MKOP_ABC(OP_SEND, a, GETARG_B(i), GETARG_C(i));
goto L_SEND;
}
NEXT;
@@ -1487,7 +1481,6 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
OP_CMP_BODY(op,attr_f,attr_f);\
break;\
default:\
i = MKOP_ABC(OP_SEND, a, GETARG_B(i), GETARG_C(i));\
goto L_SEND;\
}\
} while (0)
@@ -1565,7 +1558,7 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
}
}
else {
regs[GETARG_A(i)] = mrb_ary_ref(mrb, v, c);
regs[GETARG_A(i)] = mrb_ary_ref(mrb, v, c);
}
NEXT;
}
@@ -1598,13 +1591,13 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
if (len > pre + post) {
regs[a++] = mrb_ary_new_elts(mrb, len - pre - post, ary->ptr+pre);
while (post--) {
regs[a++] = ary->ptr[len-post-1];
regs[a++] = ary->ptr[len-post-1];
}
}
else {
regs[a++] = mrb_ary_new_capa(mrb, 0);
regs[a++] = mrb_ary_new_capa(mrb, 0);
for (i=0; i+pre<len; i++) {
regs[a+i] = ary->ptr[pre+i];
regs[a+i] = ary->ptr[pre+i];
}
while (i < post) {
SET_NIL_VALUE(regs[a+i]);
@@ -1695,7 +1688,7 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
base = regs[a];
if (mrb_nil_p(base)) {
base = mrb_obj_value(mrb->ci->target_class);
base = mrb_obj_value(mrb->ci->target_class);
}
c = mrb_vm_define_module(mrb, base, id);
regs[a] = mrb_obj_value(c);