diff options
Diffstat (limited to 'lib/ruby_vm/mjit/assembler.rb')
| -rw-r--r-- | lib/ruby_vm/mjit/assembler.rb | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/lib/ruby_vm/mjit/assembler.rb b/lib/ruby_vm/mjit/assembler.rb index f23696244d..32668ff3c8 100644 --- a/lib/ruby_vm/mjit/assembler.rb +++ b/lib/ruby_vm/mjit/assembler.rb @@ -169,6 +169,10 @@ module RubyVM::MJIT in Label => dst_label # 74 cb insn(opcode: 0x74, imm: dst_label) + # JZ rel32 + in Integer => dst_addr + # 0F 84 cd + insn(opcode: [0x0f, 0x84], imm: rel32(dst_addr)) else raise NotImplementedError, "jz: not-implemented operands: #{dst.inspect}" end @@ -338,7 +342,7 @@ module RubyVM::MJIT def test(left, right) case [left, right] # TEST r/m8*, imm8 (Mod 01: [reg]+disp8) - in [[Symbol => left_reg, Integer => left_disp], Integer => right_imm] if imm8?(right_imm) + in [[Symbol => left_reg, Integer => left_disp], Integer => right_imm] if imm8?(right_imm) && right_imm >= 0 # REX + F6 /0 ib # MI: Operand 1: ModRM:r/m (r), Operand 2: imm8/16/32 insn( @@ -347,6 +351,17 @@ module RubyVM::MJIT disp: left_disp, imm: imm8(right_imm), ) + # TEST r/m64, imm32 (Mod 01: [reg]+disp8) + in [[Symbol => left_reg, Integer => left_disp], Integer => right_imm] if imm32?(right_imm) + # REX.W + F7 /0 id + # MI: Operand 1: ModRM:r/m (r), Operand 2: imm8/16/32 + insn( + prefix: REX_W, + opcode: 0xf7, + mod_rm: ModRM[mod: Mod01, reg: 0, rm: left_reg], + disp: left_disp, + imm: imm32(right_imm), + ) # TEST r/m32, r32 (Mod 11: reg) in [Symbol => left_reg, Symbol => right_reg] if r32?(left_reg) && r32?(right_reg) # 85 /r @@ -574,7 +589,6 @@ module RubyVM::MJIT end @stub_ends.fetch(index, []).each do |stub| stub.end_addr = write_addr + index - stub.freeze end end end |