change cfunc->invoker type for opt.

* vm_insnhelper.c: change `call_cfunc_*` parameters order
  and specify a function type for the passed func ptr.
  This fix reduce the number of asm instructions, such as:
    # before this patch
    0000000000000110 <call_cfunc_0>:
     110:       48 89 fa                mov    %rdi,%rdx
     113:       31 c0                   xor    %eax,%eax
     115:       48 89 f7                mov    %rsi,%rdi
     118:       ff e2                   jmpq   *%rdx
     11a:       66 0f 1f 44 00 00       nopw   0x0(%rax,%rax,1)

    # after this patch
    0000000000000110 <call_cfunc_0>:
     110:       ff e1                   jmpq   *%rcx

  However, this kind of instruction reduction doesn't affect
  any performance because of great CPU architectures :p


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67122 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ko1 2019-02-22 07:25:51 +00:00
parent 4af7f77d0f
commit b1c1ee7183
4 changed files with 54 additions and 53 deletions

View File

@ -129,7 +129,7 @@ typedef struct rb_method_iseq_struct {
typedef struct rb_method_cfunc_struct { typedef struct rb_method_cfunc_struct {
VALUE (*func)(ANYARGS); VALUE (*func)(ANYARGS);
VALUE (*invoker)(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv); VALUE (*invoker)(VALUE recv, int argc, const VALUE *argv, VALUE (*func)(ANYARGS));
int argc; int argc;
} rb_method_cfunc_t; } rb_method_cfunc_t;

View File

@ -83,7 +83,7 @@ vm_call0_cfunc_with_frame(rb_execution_context_t* ec, struct rb_calling_info *ca
if (len >= 0) rb_check_arity(argc, len, len); if (len >= 0) rb_check_arity(argc, len, len);
val = (*cfunc->invoker)(cfunc->func, recv, argc, argv); val = (*cfunc->invoker)(recv, argc, argv, cfunc->func);
CHECK_CFP_CONSISTENCY("vm_call0_cfunc_with_frame"); CHECK_CFP_CONSISTENCY("vm_call0_cfunc_with_frame");
rb_vm_pop_frame(ec); rb_vm_pop_frame(ec);

View File

@ -1829,111 +1829,112 @@ vm_call_iseq_setup_tailcall(rb_execution_context_t *ec, rb_control_frame_t *cfp,
} }
static VALUE static VALUE
call_cfunc_m2(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv) call_cfunc_m2(VALUE recv, int argc, const VALUE *argv, VALUE (*func)(ANYARGS))
{ {
return (*func)(recv, rb_ary_new4(argc, argv)); return (*func)(recv, rb_ary_new4(argc, argv));
} }
static VALUE static VALUE
call_cfunc_m1(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv) call_cfunc_m1(VALUE recv, int argc, const VALUE *argv, VALUE (*func)(ANYARGS))
{ {
return (*func)(argc, argv, recv); return (*func)(argc, argv, recv);
} }
static VALUE static VALUE
call_cfunc_0(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv) call_cfunc_0(VALUE recv, int argc, const VALUE *argv, VALUE (*func)(ANYARGS))
{ {
return (*func)(recv); VALUE(*f)(VALUE) = (VALUE(*)(VALUE))func;
return (*f)(recv);
} }
static VALUE static VALUE
call_cfunc_1(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv) call_cfunc_1(VALUE recv, int argc, const VALUE *argv, VALUE (*func)(ANYARGS))
{ {
return (*func)(recv, argv[0]); VALUE(*f)(VALUE, VALUE) = (VALUE(*)(VALUE, VALUE))func;
return (*f)(recv, argv[0]);
} }
static VALUE static VALUE
call_cfunc_2(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv) call_cfunc_2(VALUE recv, int argc, const VALUE *argv, VALUE (*func)(ANYARGS))
{ {
return (*func)(recv, argv[0], argv[1]); VALUE(*f)(VALUE, VALUE, VALUE) = (VALUE(*)(VALUE, VALUE, VALUE))func;
return (*f)(recv, argv[0], argv[1]);
} }
static VALUE static VALUE
call_cfunc_3(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv) call_cfunc_3(VALUE recv, int argc, const VALUE *argv, VALUE (*func)(ANYARGS))
{ {
return (*func)(recv, argv[0], argv[1], argv[2]); VALUE(*f)(VALUE, VALUE, VALUE, VALUE) = (VALUE(*)(VALUE, VALUE, VALUE, VALUE))func;
return (*f)(recv, argv[0], argv[1], argv[2]);
} }
static VALUE static VALUE
call_cfunc_4(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv) call_cfunc_4(VALUE recv, int argc, const VALUE *argv, VALUE (*func)(ANYARGS))
{ {
return (*func)(recv, argv[0], argv[1], argv[2], argv[3]); VALUE(*f)(VALUE, VALUE, VALUE, VALUE, VALUE) = (VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE))func;
return (*f)(recv, argv[0], argv[1], argv[2], argv[3]);
} }
static VALUE static VALUE
call_cfunc_5(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv) call_cfunc_5(VALUE recv, int argc, const VALUE *argv, VALUE (*func)(ANYARGS))
{ {
return (*func)(recv, argv[0], argv[1], argv[2], argv[3], argv[4]); VALUE(*f)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE) = (VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE))func;
return (*f)(recv, argv[0], argv[1], argv[2], argv[3], argv[4]);
} }
static VALUE static VALUE
call_cfunc_6(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv) call_cfunc_6(VALUE recv, int argc, const VALUE *argv, VALUE (*func)(ANYARGS))
{ {
return (*func)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5]); VALUE(*f)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE) = (VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE))func;
return (*f)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5]);
} }
static VALUE static VALUE
call_cfunc_7(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv) call_cfunc_7(VALUE recv, int argc, const VALUE *argv, VALUE (*func)(ANYARGS))
{ {
return (*func)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], argv[6]); VALUE(*f)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE) = (VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE))func;
return (*f)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], argv[6]);
} }
static VALUE static VALUE
call_cfunc_8(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv) call_cfunc_8(VALUE recv, int argc, const VALUE *argv, VALUE (*func)(ANYARGS))
{ {
return (*func)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], argv[6], argv[7]); VALUE(*f)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE) = (VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE))func;
return (*f)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], argv[6], argv[7]);
} }
static VALUE static VALUE
call_cfunc_9(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv) call_cfunc_9(VALUE recv, int argc, const VALUE *argv, VALUE (*func)(ANYARGS))
{ {
return (*func)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], argv[6], argv[7], argv[8]); VALUE(*f)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE) = (VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE))func;
return (*f)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], argv[6], argv[7], argv[8]);
} }
static VALUE static VALUE
call_cfunc_10(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv) call_cfunc_10(VALUE recv, int argc, const VALUE *argv, VALUE (*func)(ANYARGS))
{ {
return (*func)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], argv[6], argv[7], argv[8], argv[9]); VALUE(*f)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE) = (VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE))func;
return (*f)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], argv[6], argv[7], argv[8], argv[9]);
} }
static VALUE static VALUE
call_cfunc_11(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv) call_cfunc_11(VALUE recv, int argc, const VALUE *argv, VALUE (*func)(ANYARGS))
{ {
return (*func)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], argv[6], argv[7], argv[8], argv[9], argv[10]); VALUE(*f)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE) = (VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE))func;
return (*f)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], argv[6], argv[7], argv[8], argv[9], argv[10]);
} }
static VALUE static VALUE
call_cfunc_12(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv) call_cfunc_12(VALUE recv, int argc, const VALUE *argv, VALUE (*func)(ANYARGS))
{ {
return (*func)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], argv[6], argv[7], argv[8], argv[9], argv[10], argv[11]); VALUE(*f)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE) = (VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE))func;
return (*f)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], argv[6], argv[7], argv[8], argv[9], argv[10], argv[11]);
} }
static VALUE static VALUE
call_cfunc_13(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv) call_cfunc_13(VALUE recv, int argc, const VALUE *argv, VALUE (*func)(ANYARGS))
{ {
return (*func)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], argv[6], argv[7], argv[8], argv[9], argv[10], argv[11], argv[12]); VALUE(*f)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE) = (VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE))func;
return (*f)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], argv[6], argv[7], argv[8], argv[9], argv[10], argv[11], argv[12]);
} }
static VALUE static VALUE
call_cfunc_14(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv) call_cfunc_14(VALUE recv, int argc, const VALUE *argv, VALUE (*func)(ANYARGS))
{ {
return (*func)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], argv[6], argv[7], argv[8], argv[9], argv[10], argv[11], argv[12], argv[13]); VALUE(*f)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE) = (VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE))func;
return (*f)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], argv[6], argv[7], argv[8], argv[9], argv[10], argv[11], argv[12], argv[13]);
} }
static VALUE static VALUE
call_cfunc_15(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv) call_cfunc_15(VALUE recv, int argc, const VALUE *argv, VALUE (*func)(ANYARGS))
{ {
return (*func)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], argv[6], argv[7], argv[8], argv[9], argv[10], argv[11], argv[12], argv[13], argv[14]); VALUE(*f)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE) = (VALUE(*)(VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE, VALUE))func;
return (*f)(recv, argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], argv[6], argv[7], argv[8], argv[9], argv[10], argv[11], argv[12], argv[13], argv[14]);
} }
static inline int static inline int
@ -2002,7 +2003,7 @@ vm_call_cfunc_with_frame(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp
if (len >= 0) rb_check_arity(argc, len, len); if (len >= 0) rb_check_arity(argc, len, len);
reg_cfp->sp -= argc + 1; reg_cfp->sp -= argc + 1;
val = (*cfunc->invoker)(cfunc->func, recv, argc, reg_cfp->sp + 1); val = (*cfunc->invoker)(recv, argc, reg_cfp->sp + 1, cfunc->func);
CHECK_CFP_CONSISTENCY("vm_call_cfunc"); CHECK_CFP_CONSISTENCY("vm_call_cfunc");

View File

@ -191,7 +191,7 @@ lookup_method_table(VALUE klass, ID id)
} }
static VALUE static VALUE
(*call_cfunc_invoker_func(int argc))(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *) (*call_cfunc_invoker_func(int argc))(VALUE recv, int argc, const VALUE *, VALUE (*func)(ANYARGS))
{ {
switch (argc) { switch (argc) {
case -2: return &call_cfunc_m2; case -2: return &call_cfunc_m2;