Many x86 instructions come in pairs - byte and word variants where bit 0
of the opcode determines operand size. Use this to simplify the decode
tables.
Rebased, plus:
Avi Kivity (8):
KVM: x86 emulator: support byte/word opcode pairs
KVM: x86 emulator: simplify ALU block (opcodes 00-3F) decode flags
- v2: fix opcode 25 (AND r/m, imm) to accept a full immediate, not 8-bit
KVM: x86 emulator: simplify string instruction decode flags
KVM: x86 emulator: simplify instruction decode flags for opcodes
80-8F
KVM: x86 emulator: simplify instruction decode flags for opcodes
A0-AF
KVM: x86 emulator: simplify instruction decode flags for opcodes
C0-DF
- v3: fix opcode C1 to accept an 8-bit immediate, not full
KVM: x86 emulator: simplify instruction decode flags for opcodes
E0-FF
KVM: x86 emulator: simplify instruction decode flags for opcodes 0F
00-FF
arch/x86/kvm/emulate.c | 89 ++++++++++++++++++++++--------------------------
1 files changed, 41 insertions(+), 48 deletions(-)
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