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Add Mod 10 to cmp r/m64, imm8

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Takashi Kokubun 2023-03-05 14:39:36 -08:00
parent a1ad5a2165
commit 7573854c9f
Notes: git 2023-03-06 07:29:27 +00:00
1 changed files with 11 additions and 0 deletions
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11
lib/ruby_vm/mjit/assembler.rb
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@ -324,6 +324,17 @@ module RubyVM::MJIT
disp: left_disp, disp: left_disp,
imm: imm8(right_imm), imm: imm8(right_imm),
) )
# CMP r/m64, imm8 (Mod 10: [reg]+disp32)
in [Array[Symbol => left_reg, Integer => left_disp], Integer => right_imm] if r64?(left_reg) && imm32?(left_disp) && imm8?(right_imm)
# REX.W + 83 /7 ib
# MI: Operand 1: ModRM:r/m (r), Operand 2: imm8/16/32
insn(
prefix: REX_W,
opcode: 0x83,
mod_rm: ModRM[mod: Mod10, reg: 7, rm: left_reg],
disp: imm32(left_disp),
imm: imm8(right_imm),
)
# CMP r/m64, imm8 (Mod 11: reg) # CMP r/m64, imm8 (Mod 11: reg)
in [Symbol => left_reg, Integer => right_imm] if r64?(left_reg) && imm8?(right_imm) in [Symbol => left_reg, Integer => right_imm] if r64?(left_reg) && imm8?(right_imm)
# REX.W + 83 /7 ib # REX.W + 83 /7 ib