1berry/ruby
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

YJIT: optimized codegen for rb_ary_empty_p (WIP) (#7242)

Browse Source 
* YJIT: add specialized implementation of rb_ary_empty_p()

* Update yjit/src/codegen.rs

Co-authored-by: Takashi Kokubun <takashikkbn@gmail.com>

---------

Co-authored-by: Takashi Kokubun <takashikkbn@gmail.com>
This commit is contained in:
Maxime Chevalier-Boisvert 2023-02-09 15:14:26 -05:00 committed by GitHub
parent d620855101
commit 810aeb2d91
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
Notes: git 2023-02-09 20:14:47 +00:00 
Merged-By: maximecb <maximecb@ruby-lang.org>
1 changed files with 28 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
yjit/src/codegen.rs
View File

@ -4273,6 +4273,31 @@ fn jit_rb_str_concat(
true
}
// Codegen for rb_ary_empty_p()
fn jit_rb_ary_empty_p(
_jit: &mut JITState,
ctx: &mut Context,
asm: &mut Assembler,
_ocb: &mut OutlinedCb,
_ci: *const rb_callinfo,
_cme: *const rb_callable_method_entry_t,
_block: Option<IseqPtr>,
_argc: i32,
_known_recv_class: *const VALUE,
) -> bool {
let array_opnd = ctx.stack_pop(1);
let array_reg = asm.load(array_opnd);
let len_opnd = get_array_len(asm, array_reg);
asm.test(len_opnd, len_opnd);
let bool_val = asm.csel_z(Qtrue.into(), Qfalse.into());
let out_opnd = ctx.stack_push(Type::UnknownImm);
asm.store(out_opnd, bool_val);
return true;
}
fn jit_obj_respond_to(
jit: &mut JITState,
ctx: &mut Context,
@ -7698,6 +7723,9 @@ impl CodegenGlobals {
self.yjit_reg_method(rb_cString, "<<", jit_rb_str_concat);
self.yjit_reg_method(rb_cString, "+@", jit_rb_str_uplus);
// rb_ary_empty_p() method in array.c
self.yjit_reg_method(rb_cArray, "empty?", jit_rb_ary_empty_p);
self.yjit_reg_method(rb_mKernel, "respond_to?", jit_obj_respond_to);
self.yjit_reg_method(rb_mKernel, "block_given?", jit_rb_f_block_given_p);