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Implement opt_and and opt_or

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This commit is contained in:
Takashi Kokubun 2023-02-13 23:05:56 -08:00
parent 67cc53214c
commit bc50b0475a
Notes: git 2023-03-06 07:30:03 +00:00
4 changed files with 118 additions and 5 deletions
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27
lib/ruby_vm/mjit/assembler.rb
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@ -121,6 +121,16 @@ module RubyVM::MJIT
mod_rm: ModRM[mod: Mod11, reg: 4, rm: dst_reg],
imm: imm8(src_imm),
)
# AND r64, r/m64 (Mod 01: [reg]+disp8)
in [Symbol => dst_reg, [Symbol => src_reg, Integer => src_disp]] if r64?(dst_reg) && r64?(src_reg) && imm8?(src_disp)
# REX.W + 23 /r
# RM: Operand 1: ModRM:reg (r, w), Operand 2: ModRM:r/m (r)
insn(
prefix: REX_W,
opcode: 0x23,
mod_rm: ModRM[mod: Mod01, reg: dst_reg, rm: src_reg],
disp: imm8(src_disp),
)
else
raise NotImplementedError, "and: not-implemented operands: #{dst.inspect}, #{src.inspect}"
end
@ -545,6 +555,23 @@ module RubyVM::MJIT
end
end
def or(dst, src)
case [dst, src]
# OR r64, r/m64 (Mod 01: [reg]+disp8)
in [Symbol => dst_reg, [Symbol => src_reg, Integer => src_disp]] if r64?(dst_reg) && r64?(src_reg) && imm8?(src_disp)
# REX.W + 0B /r
# RM: Operand 1: ModRM:reg (r, w), Operand 2: ModRM:r/m (r)
insn(
prefix: REX_W,
opcode: 0x0b,
mod_rm: ModRM[mod: Mod01, reg: dst_reg, rm: src_reg],
disp: imm8(src_disp),
)
else
raise NotImplementedError, "or: not-implemented operands: #{dst.inspect}, #{src.inspect}"
end
end
def push(src)
case src
# PUSH r64