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small optimization (reorder of BinOpr enum to unify some cases

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in switches)
This commit is contained in:
Roberto Ierusalimschy
2009-06-18 13:35:05 -03:00
parent 14115170bc
commit d7872dcf91
3 changed files with 23 additions and 22 deletions
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27
lcode.c
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@@ -1,5 +1,5 @@
/*
** $Id: lcode.c,v 2.38 2009/06/15 13:52:08 roberto Exp roberto $
** $Id: lcode.c,v 2.39 2009/06/17 17:49:09 roberto Exp roberto $
** Code generator for Lua
** See Copyright Notice in lua.h
*/
@@ -766,18 +766,19 @@ void luaK_posfix (FuncState *fs, BinOpr op, expdesc *e1, expdesc *e2) {
}
break;
}
case OPR_ADD: codearith(fs, OP_ADD, e1, e2); break;
case OPR_SUB: codearith(fs, OP_SUB, e1, e2); break;
case OPR_MUL: codearith(fs, OP_MUL, e1, e2); break;
case OPR_DIV: codearith(fs, OP_DIV, e1, e2); break;
case OPR_MOD: codearith(fs, OP_MOD, e1, e2); break;
case OPR_POW: codearith(fs, OP_POW, e1, e2); break;
case OPR_EQ: codecomp(fs, OP_EQ, 1, e1, e2); break;
case OPR_NE: codecomp(fs, OP_EQ, 0, e1, e2); break;
case OPR_LT: codecomp(fs, OP_LT, 1, e1, e2); break;
case OPR_LE: codecomp(fs, OP_LE, 1, e1, e2); break;
case OPR_GT: codecomp(fs, OP_LT, 0, e1, e2); break;
case OPR_GE: codecomp(fs, OP_LE, 0, e1, e2); break;
case OPR_ADD: case OPR_SUB: case OPR_MUL: case OPR_DIV:
case OPR_MOD: case OPR_POW: {
codearith(fs, op - OPR_ADD + OP_ADD, e1, e2);
break;
}
case OPR_EQ: case OPR_LT: case OPR_LE: {
codecomp(fs, op - OPR_EQ + OP_EQ, 1, e1, e2);
break;
}
case OPR_NE: case OPR_GT: case OPR_GE: {
codecomp(fs, op - OPR_NE + OP_EQ, 0, e1, e2);
break;
}
default: lua_assert(0);
}
}