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inline fixnum ops

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This commit is contained in:
Yukihiro Matsumoto
2012-08-29 12:02:14 +09:00
parent 950204bc4d
commit 2f21cea50a
1 changed files with 139 additions and 33 deletions
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src/vm.c
+139 -33
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@@ -1260,59 +1260,165 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
regs[a].v1 = regs[a].v1 op regs[a+1].v2;\
} while(0)
#define OP_MATH(op,iop,s) do {\
int a = GETARG_A(i);\
/* need to check if op is overridden */\
switch (TYPES2(mrb_type(regs[a]),mrb_type(regs[a+1]))) {\
case TYPES2(MRB_TT_FIXNUM,MRB_TT_FIXNUM):\
regs[a] = iop(mrb, regs[a], regs[a+1]);\
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 op y);\
}\
break;\
case TYPES2(MRB_TT_FLOAT,MRB_TT_FIXNUM):\
OP_MATH_BODY(op,attr_f,attr_i);\
break;\
case TYPES2(MRB_TT_FLOAT,MRB_TT_FLOAT):\
OP_MATH_BODY(op,attr_f,attr_f);\
break;\
s\
default:\
SET_NIL_VALUE(regs[a+2]);\
i = MKOP_ABC(OP_SEND, a, GETARG_B(i), GETARG_C(i));\
goto L_SEND;\
}\
} while (0)
CASE(OP_ADD) {
/* A B C R(A) := R(A)+R(A+1) (Syms[B]=:+,C=1)*/
OP_MATH(+,mrb_fixnum_plus,
int a = GETARG_A(i);
/* need to check if op is overridden */
switch (TYPES2(mrb_type(regs[a]),mrb_type(regs[a+1]))) {
case TYPES2(MRB_TT_FIXNUM,MRB_TT_FIXNUM):
{
mrb_int x, y, z;
x = mrb_fixnum(regs[a]);
y = mrb_fixnum(regs[a+1]);
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);
}
regs[a] = mrb_fixnum_value(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);
}
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FIXNUM):
OP_MATH_BODY(+,attr_f,attr_i);
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FLOAT):
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]);
break;);
break;
default:
SET_NIL_VALUE(regs[a+2]);
i = MKOP_ABC(OP_SEND, a, GETARG_B(i), GETARG_C(i));
goto L_SEND;
}
mrb->arena_idx = ai;
NEXT;
}
CASE(OP_SUB) {
/* A B C R(A) := R(A)-R(A+1) (Syms[B]=:-,C=1)*/
OP_MATH(-,mrb_fixnum_minus,;);
int a = GETARG_A(i);
/* need to check if op is overridden */
switch (TYPES2(mrb_type(regs[a]),mrb_type(regs[a+1]))) {
case TYPES2(MRB_TT_FIXNUM,MRB_TT_FIXNUM):
{
mrb_int x, y, z;
x = mrb_fixnum(regs[a]);
y = mrb_fixnum(regs[a+1]);
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);
}
regs[a] = mrb_fixnum_value(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);
}
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FIXNUM):
OP_MATH_BODY(-,attr_f,attr_i);
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FLOAT):
OP_MATH_BODY(-,attr_f,attr_f);
break;
default:
SET_NIL_VALUE(regs[a+2]);
i = MKOP_ABC(OP_SEND, a, GETARG_B(i), GETARG_C(i));
goto L_SEND;
}
NEXT;
}
CASE(OP_MUL) {
/* A B C R(A) := R(A)*R(A+1) (Syms[B]=:*,C=1)*/
OP_MATH(*,mrb_fixnum_mul,;);
int a = GETARG_A(i);
/* need to check if op is overridden */
switch (TYPES2(mrb_type(regs[a]),mrb_type(regs[a+1]))) {
case TYPES2(MRB_TT_FIXNUM,MRB_TT_FIXNUM):
{
mrb_int x, y, z;
x = mrb_fixnum(regs[a]);
y = mrb_fixnum(regs[a+1]);
z = x * y;
if (z/x != y) {
regs[a] = mrb_float_value((mrb_float)x * (mrb_float)y);
}
else {
regs[a] = mrb_fixnum_value(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);
}
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FIXNUM):
OP_MATH_BODY(*,attr_f,attr_i);
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FLOAT):
OP_MATH_BODY(*,attr_f,attr_f);
break;
default:
SET_NIL_VALUE(regs[a+2]);
i = MKOP_ABC(OP_SEND, a, GETARG_B(i), GETARG_C(i));
goto L_SEND;
}
NEXT;
}
CASE(OP_DIV) {
/* A B C R(A) := R(A)/R(A+1) (Syms[B]=:/,C=1)*/
OP_MATH(/,mrb_num_div,;);
int a = GETARG_A(i);
/* need to check if op is overridden */
switch (TYPES2(mrb_type(regs[a]),mrb_type(regs[a+1]))) {
case TYPES2(MRB_TT_FIXNUM,MRB_TT_FIXNUM):
{
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);
}
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);
}
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FIXNUM):
OP_MATH_BODY(/,attr_f,attr_i);
break;
case TYPES2(MRB_TT_FLOAT,MRB_TT_FLOAT):
OP_MATH_BODY(/,attr_f,attr_f);
break;
default:
SET_NIL_VALUE(regs[a+2]);
i = MKOP_ABC(OP_SEND, a, GETARG_B(i), GETARG_C(i));
goto L_SEND;
}
NEXT;
}