diff options
Diffstat (limited to 'miasm2/arch/x86')
| -rw-r--r-- | miasm2/arch/x86/arch.py | 2 | ||||
| -rw-r--r-- | miasm2/arch/x86/sem.py | 11 |
2 files changed, 13 insertions, 0 deletions
diff --git a/miasm2/arch/x86/arch.py b/miasm2/arch/x86/arch.py index af79ea97..ee4f5fbf 100644 --- a/miasm2/arch/x86/arch.py +++ b/miasm2/arch/x86/arch.py @@ -3983,6 +3983,8 @@ addop("pshufb", [bs8(0x0f), bs8(0x38), bs8(0x00), no_xmm_pref] + rmmod(mm_reg, rm_arg_mm)) addop("pshufb", [bs8(0x0f), bs8(0x38), bs8(0x00), pref_66] + rmmod(xmm_reg, rm_arg_xmm)) +addop("pshufd", [bs8(0x0f), bs8(0x70), pref_66] + + rmmod(xmm_reg, rm_arg_xmm) + [u08]) diff --git a/miasm2/arch/x86/sem.py b/miasm2/arch/x86/sem.py index d3927821..61e56bbe 100644 --- a/miasm2/arch/x86/sem.py +++ b/miasm2/arch/x86/sem.py @@ -3583,6 +3583,16 @@ def pshufb(ir, instr, a, b): return e, [] +def pshufd(ir, instr, a, b, c): + e = [] + for i in xrange(4): + index = c[2 * i:2 * (i + 1)].zeroExtend(a.size) + index <<= m2_expr.ExprInt(5, a.size) + value = (a >> index)[:32] + e.append(m2_expr.ExprAff(a[32 * i:32 * (i + 1)], value)) + return e, [] + + def ps_rl_ll(ir, instr, a, b, op, size): lbl_zero = m2_expr.ExprId(ir.gen_label(), ir.IRDst.size) lbl_do = m2_expr.ExprId(ir.gen_label(), ir.IRDst.size) @@ -4348,6 +4358,7 @@ mnemo_func = {'mov': mov, "rdmsr": rdmsr, "wrmsr": wrmsr, "pshufb": pshufb, + "pshufd": pshufd, "psrlw": psrlw, "psrld": psrld, |