archive/ruby
1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2025-08-25 14:05:02 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

Fix broken rebase

Browse source
This commit is contained in:
Takashi Kokubun 2022-12-27 23:04:53 -08:00
parent 9f8f1afba2
commit e4a824f769
13 changed files with 12 additions and 135 deletions
Download patch file Download diff file Expand all files Collapse all files

6
lib/ruby_vm/mjit/c_pointer.rb
View file

@ -1,4 +1,4 @@
module RubyVM::MJIT # :nodoc: all
module RubyVM::MJIT
# Every class under this namespace is a pointer. Even if the type is
# immediate, it shouldn't be dereferenced until `*` is called.
module CPointer
@ -293,12 +293,12 @@ module RubyVM::MJIT # :nodoc: all
# Dereference
def *
byte = Fiddle::Pointer.new(@addr)[0, Fiddle::SIZEOF_CHAR].unpack1('c')
byte = Fiddle::Pointer.new(@addr)[0, Fiddle::SIZEOF_CHAR].unpack('c').first
if @width == 1
bit = (1 & (byte >> @offset))
bit == 1
elsif @width <= 8 && @offset == 0
bitmask = @width.times.sum { |i| 1 << i }
bitmask = @width.times.map { |i| 1 << i }.sum
byte & bitmask
else
raise NotImplementedError.new("not-implemented bit field access: width=#{@width} offset=#{@offset}")