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authorRoberto Ierusalimschy <roberto@inf.puc-rio.br>2021-02-24 11:14:44 -0300
committerRoberto Ierusalimschy <roberto@inf.puc-rio.br>2021-02-24 11:14:44 -0300
commit59c88f846d1dcd901a4420651aedf27816618923 (patch)
tree0e76a066c383cbc99cc2f60b8b4f97c5df45e479 /lmathlib.c
parentc03c527fd207b4ad8f5a8e0f4f2c176bd227c979 (diff)
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Broadening the use of branch hints
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).
Diffstat (limited to 'lmathlib.c')
-rw-r--r--lmathlib.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/lmathlib.c b/lmathlib.c
index 86def470..5f5983a4 100644
--- a/lmathlib.c
+++ b/lmathlib.c
@@ -73,7 +73,7 @@ static int math_atan (lua_State *L) {
73static int math_toint (lua_State *L) { 73static int math_toint (lua_State *L) {
74 int valid; 74 int valid;
75 lua_Integer n = lua_tointegerx(L, 1, &valid); 75 lua_Integer n = lua_tointegerx(L, 1, &valid);
76 if (valid) 76 if (l_likely(valid))
77 lua_pushinteger(L, n); 77 lua_pushinteger(L, n);
78 else { 78 else {
79 luaL_checkany(L, 1); 79 luaL_checkany(L, 1);
@@ -175,7 +175,8 @@ static int math_log (lua_State *L) {
175 lua_Number base = luaL_checknumber(L, 2); 175 lua_Number base = luaL_checknumber(L, 2);
176#if !defined(LUA_USE_C89) 176#if !defined(LUA_USE_C89)
177 if (base == l_mathop(2.0)) 177 if (base == l_mathop(2.0))
178 res = l_mathop(log2)(x); else 178 res = l_mathop(log2)(x);
179 else
179#endif 180#endif
180 if (base == l_mathop(10.0)) 181 if (base == l_mathop(10.0))
181 res = l_mathop(log10)(x); 182 res = l_mathop(log10)(x);