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-rw-r--r--miasm2/arch/x86/arch.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/miasm2/arch/x86/arch.py b/miasm2/arch/x86/arch.py
index 1b181f6f..aaf877fe 100644
--- a/miasm2/arch/x86/arch.py
+++ b/miasm2/arch/x86/arch.py
@@ -4306,6 +4306,10 @@ addop("pmaxuw", [bs8(0x0f), bs8(0x38), bs8(0x3e), pref_66] +
 addop("pmaxud", [bs8(0x0f), bs8(0x38), bs8(0x3f), pref_66] +
       rmmod(xmm_reg, rm_arg_xmm))
 
+addop("pmaxsw", [bs8(0x0f), bs8(0xee), no_xmm_pref] +
+      rmmod(mm_reg, rm_arg_mm_m64))
+addop("pmaxsw", [bs8(0x0f), bs8(0xee), pref_66] +
+      rmmod(xmm_reg, rm_arg_xmm_m128))
 
 addop("pminub", [bs8(0x0f), bs8(0xda), no_xmm_pref] +
       rmmod(mm_reg, rm_arg_mm))