diff options
| -rw-r--r-- | src/vm.c | 16 |
1 files changed, 9 insertions, 7 deletions
@@ -1403,7 +1403,7 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self) #define attr_f value.f #endif -#define TYPES2(a,b) (((((int)(a))<<8)|((int)(b)))&0xffff) +#define TYPES2(a,b) ((((uint16_t)(a))<<8)|(((uint16_t)(b))&0xff)) #define OP_MATH_BODY(op,v1,v2) do {\ regs[a].v1 = regs[a].v1 op regs[a+1].v2;\ } while(0) @@ -1417,16 +1417,18 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self) case TYPES2(MRB_TT_FIXNUM,MRB_TT_FIXNUM): { mrb_int x, y, z; + mrb_value *regs_a = regs + a; - x = mrb_fixnum(regs[a]); - y = mrb_fixnum(regs[a+1]); + x = mrb_fixnum(regs_a[0]); + y = mrb_fixnum(regs_a[1]); z = x + y; - if (((x < 0) ^ (y < 0)) == 0 && (x < 0) != (z < 0)) { + if ((x < 0) != (z < 0) && ((x < 0) ^ (y < 0)) == 0) { /* integer overflow */ - SET_FLT_VALUE(regs[a], (mrb_float)x + (mrb_float)y); - break; + SET_FLT_VALUE(regs_a[0], (mrb_float)x + (mrb_float)y); + } + else { + regs_a[0].attr_i = z; } - SET_INT_VALUE(regs[a], z); } break; case TYPES2(MRB_TT_FIXNUM,MRB_TT_FLOAT): |