diff options
Diffstat (limited to 'lib/ruby_vm/mjit/assembler.rb')
| -rw-r--r-- | lib/ruby_vm/mjit/assembler.rb | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/ruby_vm/mjit/assembler.rb b/lib/ruby_vm/mjit/assembler.rb index a00efdcae4..9e28f6cef3 100644 --- a/lib/ruby_vm/mjit/assembler.rb +++ b/lib/ruby_vm/mjit/assembler.rb @@ -618,6 +618,21 @@ module RubyVM::MJIT else raise NotImplementedError, "mov: not-implemented operands: #{dst.inspect}, #{src.inspect}" end + in DwordPtr[reg: dst_reg, disp: dst_disp] + case src + # MOV r/m32, imm32 (Mod 01: [reg]+disp8) + in Integer => src_imm if r64?(dst_reg) && imm8?(dst_disp) && imm32?(src_imm) + # C7 /0 id + # MI: Operand 1: ModRM:r/m (w), Operand 2: imm8/16/32/64 + insn( + opcode: 0xc7, + mod_rm: ModRM[mod: Mod01, reg: 0, rm: dst_reg], + disp: dst_disp, + imm: imm32(src_imm), + ) + else + raise NotImplementedError, "mov: not-implemented operands: #{dst.inspect}, #{src.inspect}" + end in Array[Symbol => dst_reg, Integer => dst_disp] # Optimize encoding when disp is 0 return mov([dst_reg], src) if dst_disp == 0 |