diff options
Diffstat (limited to 'lib/ruby_vm/mjit/assembler.rb')
| -rw-r--r-- | lib/ruby_vm/mjit/assembler.rb | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/ruby_vm/mjit/assembler.rb b/lib/ruby_vm/mjit/assembler.rb index bbc9691b56..3ffb3e45ad 100644 --- a/lib/ruby_vm/mjit/assembler.rb +++ b/lib/ruby_vm/mjit/assembler.rb @@ -156,6 +156,22 @@ module RubyVM::MJIT end end + def cmove(dst, src) + case [dst, src] + # CMOVE r64, r/m64 (Mod 11: reg) + in [Symbol => dst_reg, Symbol => src_reg] + # REX.W + 0F 44 /r + # RM: Operand 1: ModRM:reg (r, w), Operand 2: ModRM:r/m (r) + insn( + prefix: REX_W, + opcode: [0x0f, 0x44], + mod_rm: ModRM[mod: Mod11, reg: dst_reg, rm: src_reg], + ) + else + raise NotImplementedError, "cmove: not-implemented operands: #{dst.inspect}, #{src.inspect}" + end + end + def cmovg(dst, src) case [dst, src] # CMOVG r64, r/m64 (Mod 11: reg) @@ -290,6 +306,10 @@ module RubyVM::MJIT def je(dst) case dst + # JE rel8 + in Label => dst_label + # 74 cb + insn(opcode: 0x74, imm: dst_label) # JE rel32 in Integer => dst_addr # 0F 84 cd @@ -301,6 +321,10 @@ module RubyVM::MJIT def jmp(dst) case dst + # JZ rel8 + in Label => dst_label + # EB cb + insn(opcode: 0xeb, imm: dst_label) # JMP rel32 in Integer => dst_addr # E9 cd |