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Implement opt_plus

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This commit is contained in:
Takashi Kokubun 2023-02-06 15:44:34 -08:00
parent 439f8a0f14
commit 5c638c97bb
5 changed files with 84 additions and 17 deletions
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9
lib/ruby_vm/mjit/assembler.rb
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@ -84,6 +84,15 @@ module RubyVM::MJIT
mod_rm: ModRM[mod: Mod11, reg: 0, rm: dst_reg],
imm: imm32(src_imm),
)
# ADD r/m64, r64 (Mod 11: reg)
in [Symbol => dst_reg, Symbol => src_reg] if r64?(dst_reg) && r64?(src_reg)
# REX.W + 01 /r
# MR: Operand 1: ModRM:r/m (r, w), Operand 2: ModRM:reg (r)
insn(
prefix: REX_W,
opcode: 0x01,
mod_rm: ModRM[mod: Mod11, reg: src_reg, rm: dst_reg],
)
else
raise NotImplementedError, "add: not-implemented operands: #{dst.inspect}, #{src.inspect}"
end