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-rw-r--r--miasm2/arch/x86/arch.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/miasm2/arch/x86/arch.py b/miasm2/arch/x86/arch.py
index 03d7449d..1b181f6f 100644
--- a/miasm2/arch/x86/arch.py
+++ b/miasm2/arch/x86/arch.py
@@ -4512,6 +4512,14 @@ addop("paddusw", [bs8(0x0f), bs8(0xdd), no_xmm_pref] +
       rmmod(mm_reg, rm_arg_mm_m64))
 addop("paddusw", [bs8(0x0f), bs8(0xdd), pref_66] +
       rmmod(xmm_reg, rm_arg_xmm_m128))
+addop("paddsb", [bs8(0x0f), bs8(0xec), no_xmm_pref] +
+      rmmod(mm_reg, rm_arg_mm_m64))
+addop("paddsb", [bs8(0x0f), bs8(0xec), pref_66] +
+      rmmod(xmm_reg, rm_arg_xmm_m128))
+addop("paddsw", [bs8(0x0f), bs8(0xed), no_xmm_pref] +
+      rmmod(mm_reg, rm_arg_mm_m64))
+addop("paddsw", [bs8(0x0f), bs8(0xed), pref_66] +
+      rmmod(xmm_reg, rm_arg_xmm_m128))
 
 
 mn_x86.bintree = factor_one_bit(mn_x86.bintree)