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new order for binary operations (grouping them by type of result)

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Roberto Ierusalimschy
2013-12-16 17:06:52 -02:00
parent a8f8c7fd80
commit a948054a19
9 changed files with 41 additions and 35 deletions
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lcode.c
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@@ -1,5 +1,5 @@
/*
** $Id: lcode.c,v 2.72 2013/08/30 16:01:37 roberto Exp roberto $
** $Id: lcode.c,v 2.73 2013/12/16 14:30:22 roberto Exp roberto $
** Code generator for Lua
** See Copyright Notice in lua.h
*/
@@ -762,6 +762,7 @@ static int constfolding (OpCode op, expdesc *e1, expdesc *e2) {
((op == OP_MOD && ivalue(&v2) == 0) || /* ...avoid module by 0... */
(op == OP_POW && ivalue(&v2) < 0))) /* ...and negative exponents */
return 0;
lua_assert(OP_IDIV - OP_ADD + LUA_OPADD == LUA_OPIDIV);
luaO_arith(NULL, op - OP_ADD + LUA_OPADD, &v1, &v2, &res);
if (ttisinteger(&res)) {
e1->k = VKINT;