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Broadening the use of branch hints

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More uses of macros 'likely'/'unlikely' (renamed to
'l_likely'/'l_unlikely'), both in range (extended to the
libraries) and in scope (extended to hooks, stack growth).
This commit is contained in:
Roberto Ierusalimschy
2021-02-24 11:14:44 -03:00
parent c03c527fd2
commit 59c88f846d
24 changed files with 162 additions and 141 deletions
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8
ltable.c
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@@ -307,7 +307,7 @@ static unsigned int findindex (lua_State *L, Table *t, TValue *key,
return i; /* yes; that's the index */
else {
const TValue *n = getgeneric(t, key, 1);
if (unlikely(isabstkey(n)))
if (l_unlikely(isabstkey(n)))
luaG_runerror(L, "invalid key to 'next'"); /* key not found */
i = cast_int(nodefromval(n) - gnode(t, 0)); /* key index in hash table */
/* hash elements are numbered after array ones */
@@ -541,7 +541,7 @@ void luaH_resize (lua_State *L, Table *t, unsigned int newasize,
}
/* allocate new array */
newarray = luaM_reallocvector(L, t->array, oldasize, newasize, TValue);
if (unlikely(newarray == NULL && newasize > 0)) { /* allocation failed? */
if (l_unlikely(newarray == NULL && newasize > 0)) { /* allocation failed? */
freehash(L, &newt); /* release new hash part */
luaM_error(L); /* raise error (with array unchanged) */
}
@@ -635,7 +635,7 @@ static Node *getfreepos (Table *t) {
void luaH_newkey (lua_State *L, Table *t, const TValue *key, TValue *value) {
Node *mp;
TValue aux;
if (unlikely(ttisnil(key)))
if (l_unlikely(ttisnil(key)))
luaG_runerror(L, "table index is nil");
else if (ttisfloat(key)) {
lua_Number f = fltvalue(key);
@@ -644,7 +644,7 @@ void luaH_newkey (lua_State *L, Table *t, const TValue *key, TValue *value) {
setivalue(&aux, k);
key = &aux; /* insert it as an integer */
}
else if (unlikely(luai_numisnan(f)))
else if (l_unlikely(luai_numisnan(f)))
luaG_runerror(L, "table index is NaN");
}
if (ttisnil(value))