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decode movslq (generated by gcc4.1)
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99241183a5
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@ -943,6 +943,33 @@ static bool ix86_skip_instruction(unsigned long * regs)
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break;
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}
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break;
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#if defined(__x86_64__)
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case 0x63: // MOVSXD r64, r/m32
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if (has_rex && rex.W) {
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transfer_size = SIZE_LONG;
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target_size = SIZE_QUAD;
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}
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else if (transfer_size != SIZE_WORD) {
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transfer_size = SIZE_LONG;
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target_size = SIZE_QUAD;
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}
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switch (eip[1] & 0xc0) {
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case 0x80:
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reg = (eip[1] >> 3) & 7;
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transfer_type = SIGSEGV_TRANSFER_LOAD;
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break;
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case 0x40:
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reg = (eip[1] >> 3) & 7;
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transfer_type = SIGSEGV_TRANSFER_LOAD;
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break;
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case 0x00:
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reg = (eip[1] >> 3) & 7;
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transfer_type = SIGSEGV_TRANSFER_LOAD;
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break;
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}
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len += 2 + ix86_step_over_modrm(eip + 1);
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break;
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#endif
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case 0x8a: // MOV r8, r/m8
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transfer_size = SIZE_BYTE;
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case 0x8b: // MOV r32, r/m32 (or 16-bit operation)
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@ -2189,6 +2216,8 @@ static bool arch_insn_skipper_tests()
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0x4c, 0x89, 0x18, // mov %r11,(%rax)
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0x4a, 0x89, 0x0c, 0x10, // mov %rcx,(%rax,%r10,1)
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0x4e, 0x89, 0x1c, 0x10, // mov %r11,(%rax,%r10,1)
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0x63, 0x47, 0x04, // movslq 4(%rdi),%eax
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0x48, 0x63, 0x47, 0x04, // movslq 4(%rdi),%rax
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#endif
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0 // end
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};
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