Got Xonotic stuff for check-proj to function.

[xonotic/gmqcc.git] / intrin.c

diff --git a/intrin.c b/intrin.c
index 7e7e69e4a204022cfd3bb966f5983515ee5237c4..d713df0f4000f0786353ea4d5de3239073986916 100644 (file)
--- a/intrin.c
+++ b/intrin.c
@@ -409,12 +409,12 @@ ast_expression *intrin_debug_typestring(intrin_t *intrin) {
 }
 
 static const intrin_func_t intrinsics[] = {
-    {&intrin_exp,              "__builtin_exp",              "exp"},
-    {&intrin_mod,              "__builtin_mod",              "mod"},
-    {&intrin_pow,              "__builtin_pow",              "pow"},
-    {&intrin_isnan,            "__builtin_isnan",            "isnan"},
-    {&intrin_fabs,             "__builtin_fabs",             "fabs"},
-    {&intrin_debug_typestring, "__builtin_debug_typestring", ""}
+    {&intrin_exp,              "__builtin_exp",              "exp",   1},
+    {&intrin_mod,              "__builtin_mod",              "mod",   2},
+    {&intrin_pow,              "__builtin_pow",              "pow",   2},
+    {&intrin_isnan,            "__builtin_isnan",            "isnan", 1},
+    {&intrin_fabs,             "__builtin_fabs",             "fabs",  1},
+    {&intrin_debug_typestring, "__builtin_debug_typestring", "",      0}
 };
 
 static void intrin_error(intrin_t *intrin, const char *fmt, ...) {
@@ -447,9 +447,14 @@ ast_expression *intrin_fold(intrin_t *intrin, ast_value *value, ast_expression *
     if (!value || !value->name)
         return NULL;
 
-    for (i = 0; i < vec_size(intrin->intrinsics); i++)
-        if (!strcmp(value->name, intrin->intrinsics[i].name))
-            return fold_intrin(intrin->fold, value->name, exprs);
+    for (i = 0; i < vec_size(intrin->intrinsics); i++) {
+        if (!strcmp(value->name, intrin->intrinsics[i].name)) {
+            if (intrin->intrinsics[i].args != vec_size(exprs))
+                return NULL;
+            /* +10 to skip the "__builtin_" substring in the string */
+            return fold_intrin(intrin->fold, value->name + 10, exprs);
+        }
+    }
 
     return NULL;
 }