diff options
Diffstat (limited to 'lib/ruby_vm/mjit/assembler.rb')
| -rw-r--r-- | lib/ruby_vm/mjit/assembler.rb | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/lib/ruby_vm/mjit/assembler.rb b/lib/ruby_vm/mjit/assembler.rb index 6fd5d12bd8..ca663fa575 100644 --- a/lib/ruby_vm/mjit/assembler.rb +++ b/lib/ruby_vm/mjit/assembler.rb @@ -54,26 +54,36 @@ module RubyVM::MJIT def add(dst, src) case [dst, src] - # ADD r/m64, imm8 (Mod 11: reg) - in [Symbol => dst_reg, Integer => src_imm] if r64?(dst_reg) && imm8?(src_imm) + # ADD r/m64, imm8 (Mod 00: [reg]) + in [[Symbol => dst_reg], Integer => src_imm] if r64?(dst_reg) && imm8?(src_imm) # REX.W + 83 /0 ib # MI: Operand 1: ModRM:r/m (r, w), Operand 2: imm8/16/32 insn( prefix: REX_W, opcode: 0x83, - mod_rm: ModRM[mod: Mod11, reg: 0, rm: dst_reg], + mod_rm: ModRM[mod: Mod00, reg: 0, rm: dst_reg], imm: imm8(src_imm), ) - # ADD r/m64, imm8 (Mod 00: [reg]) - in [[Symbol => dst_reg], Integer => src_imm] if r64?(dst_reg) && imm8?(src_imm) + # ADD r/m64, imm8 (Mod 11: reg) + in [Symbol => dst_reg, Integer => src_imm] if r64?(dst_reg) && imm8?(src_imm) # REX.W + 83 /0 ib # MI: Operand 1: ModRM:r/m (r, w), Operand 2: imm8/16/32 insn( prefix: REX_W, opcode: 0x83, - mod_rm: ModRM[mod: Mod00, reg: 0, rm: dst_reg], + mod_rm: ModRM[mod: Mod11, reg: 0, rm: dst_reg], imm: imm8(src_imm), ) + # ADD r/m64 imm32 (Mod 11: reg) + in [Symbol => dst_reg, Integer => src_imm] if r64?(dst_reg) && imm32?(src_imm) + # REX.W + 81 /0 id + # MI: Operand 1: ModRM:r/m (r, w), Operand 2: imm8/16/32 + insn( + prefix: REX_W, + opcode: 0x81, + mod_rm: ModRM[mod: Mod11, reg: 0, rm: dst_reg], + imm: imm32(src_imm), + ) else raise NotImplementedError, "add: not-implemented operands: #{dst.inspect}, #{src.inspect}" end |