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This commit is contained in:
Roberto Ierusalimschy
2005-11-01 14:08:45 -02:00
parent d4c99b2673
commit a160266c3d
1 changed files with 20 additions and 50 deletions
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70
lvm.c
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@@ -1,5 +1,5 @@
/*
** $Id: lvm.c,v 2.57 2005/10/13 12:21:26 roberto Exp roberto $
** $Id: lvm.c,v 2.58 2005/10/24 17:37:52 roberto Exp roberto $
** Lua virtual machine
** See Copyright Notice in lua.h
*/
@@ -65,7 +65,6 @@ static void traceexec (lua_State *L, const Instruction *pc) {
if (L->hookcount == 0) {
resethookcount(L);
luaD_callhook(L, LUA_HOOKCOUNT, -1);
return;
}
}
if (mask & LUA_MASKLINE) {
@@ -357,6 +356,19 @@ static void Arith (lua_State *L, StkId ra, const TValue *rb,
#define Protect(x) { L->savedpc = pc; {x;}; base = L->base; }
#define arith_op(op,tm) { \
TValue *rb = RKB(i); \
TValue *rc = RKC(i); \
if (ttisnumber(rb) && ttisnumber(rc)) { \
lua_Number nb = nvalue(rb), nc = nvalue(rc); \
setnvalue(ra, op(nb, nc)); \
} \
else \
Protect(Arith(L, ra, rb, rc, tm)); \
}
void luaV_execute (lua_State *L, int nexeccalls) {
LClosure *cl;
StkId base;
@@ -454,69 +466,27 @@ void luaV_execute (lua_State *L, int nexeccalls) {
continue;
}
case OP_ADD: {
TValue *rb = RKB(i);
TValue *rc = RKC(i);
if (ttisnumber(rb) && ttisnumber(rc)) {
lua_Number nb = nvalue(rb), nc = nvalue(rc);
setnvalue(ra, luai_numadd(nb, nc));
}
else
Protect(Arith(L, ra, rb, rc, TM_ADD));
arith_op(luai_numadd, TM_ADD);
continue;
}
case OP_SUB: {
TValue *rb = RKB(i);
TValue *rc = RKC(i);
if (ttisnumber(rb) && ttisnumber(rc)) {
lua_Number nb = nvalue(rb), nc = nvalue(rc);
setnvalue(ra, luai_numsub(nb, nc));
}
else
Protect(Arith(L, ra, rb, rc, TM_SUB));
arith_op(luai_numsub, TM_SUB);
continue;
}
case OP_MUL: {
TValue *rb = RKB(i);
TValue *rc = RKC(i);
if (ttisnumber(rb) && ttisnumber(rc)) {
lua_Number nb = nvalue(rb), nc = nvalue(rc);
setnvalue(ra, luai_nummul(nb, nc));
}
else
Protect(Arith(L, ra, rb, rc, TM_MUL));
arith_op(luai_nummul, TM_MUL);
continue;
}
case OP_DIV: {
TValue *rb = RKB(i);
TValue *rc = RKC(i);
if (ttisnumber(rb) && ttisnumber(rc)) {
lua_Number nb = nvalue(rb), nc = nvalue(rc);
setnvalue(ra, luai_numdiv(nb, nc));
}
else
Protect(Arith(L, ra, rb, rc, TM_DIV));
arith_op(luai_numdiv, TM_DIV);
continue;
}
case OP_MOD: {
TValue *rb = RKB(i);
TValue *rc = RKC(i);
if (ttisnumber(rb) && ttisnumber(rc)) {
lua_Number nb = nvalue(rb), nc = nvalue(rc);
setnvalue(ra, luai_nummod(nb, nc));
}
else
Protect(Arith(L, ra, rb, rc, TM_MOD));
arith_op(luai_nummod, TM_MOD);
continue;
}
case OP_POW: {
TValue *rb = RKB(i);
TValue *rc = RKC(i);
if (ttisnumber(rb) && ttisnumber(rc)) {
lua_Number nb = nvalue(rb), nc = nvalue(rc);
setnvalue(ra, luai_numpow(nb, nc));
}
else
Protect(Arith(L, ra, rb, rc, TM_POW));
arith_op(luai_numpow, TM_POW);
continue;
}
case OP_UNM: {