Two small changes:

- Use co->... instead of f->f_code->...; save an extra lookup of what
we already have in a local variable).

- Remove test for nlocals > 0 before setting fastlocals to
f->f_localsplus; 0 is a rare case and the assignment is safe even
then.

diff --git a/Python/ceval.c b/Python/ceval.c
index a59a1c9d8b96e25c6c99e66a810d5afd3d0ddd26..65aad61def9b029fdb02b0ff053bcb2ac19d24db 100644 (file)
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -356,7 +356,7 @@ eval_code2(co, globals, locals,
 #define GETCONST(i)    Getconst(f, i)
 #define GETNAME(i)     Getname(f, i)
 #define GETNAMEV(i)    Getnamev(f, i)
-#define FIRST_INSTR()  (GETUSTRINGVALUE(f->f_code->co_code))
+#define FIRST_INSTR()  (GETUSTRINGVALUE(co->co_code))
 #define INSTR_OFFSET() (next_instr - FIRST_INSTR())
 #define NEXTOP()       (*next_instr++)
 #define NEXTARG()      (next_instr += 2, (next_instr[-1]<<8) + next_instr[-2])
@@ -410,9 +410,7 @@ eval_code2(co, globals, locals,
                return NULL;
 
        current_frame = f;
-
-       if (co->co_nlocals > 0)
-               fastlocals = f->f_localsplus;
+       fastlocals = f->f_localsplus;
 
        if (co->co_argcount > 0 ||
            co->co_flags & (CO_VARARGS | CO_VARKEYWORDS)) {
@@ -544,7 +542,7 @@ eval_code2(co, globals, locals,
                return NULL;
        }
 
-       next_instr = GETUSTRINGVALUE(f->f_code->co_code);
+       next_instr = GETUSTRINGVALUE(co->co_code);
        stack_pointer = f->f_valuestack;
        
        why = WHY_NOT;