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Introduce a specialize instruction for Array#pack

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Instructions for this code:

```ruby
  # frozen_string_literal: true

[a].pack("C")
```

Before this commit:

```
== disasm: #<ISeq:<main>@test.rb:1 (1,0)-(3,13)>
0000 putself                                                          (   3)[Li]
0001 opt_send_without_block                 <calldata!mid:a, argc:0, FCALL|VCALL|ARGS_SIMPLE>
0003 newarray                               1
0005 putobject                              "C"
0007 opt_send_without_block                 <calldata!mid:pack, argc:1, ARGS_SIMPLE>
0009 leave
```

After this commit:

```
== disasm: #<ISeq:<main>@test.rb:1 (1,0)-(3,13)>
0000 putself                                                          (   3)[Li]
0001 opt_send_without_block                 <calldata!mid:a, argc:0, FCALL|VCALL|ARGS_SIMPLE>
0003 putobject                              "C"
0005 opt_newarray_send                      2, :pack
0008 leave
```

Co-authored-by: Maxime Chevalier-Boisvert <maxime.chevalierboisvert@shopify.com>
Co-authored-by: Aaron Patterson <tenderlove@ruby-lang.org>
This commit is contained in:
Nobuyoshi Nakada 2024-05-23 11:23:26 -07:00 • committed by Aaron Patterson
parent e5e079e70f
commit 49fcd33e13
15 changed files with 132 additions and 5 deletions
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1
tool/rjit/bindgen.rb
View file

@ -540,6 +540,7 @@ generator = BindingGenerator.new(
rb_vm_opt_newarray_min
rb_vm_opt_newarray_max
rb_vm_opt_newarray_hash
rb_vm_opt_newarray_pack
rb_vm_setinstancevariable
rb_vm_splat_array
rjit_full_cfunc_return