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-rw-r--r--miasm/arch/x86/arch.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/miasm/arch/x86/arch.py b/miasm/arch/x86/arch.py
index 3053301a..39736a7a 100644
--- a/miasm/arch/x86/arch.py
+++ b/miasm/arch/x86/arch.py
@@ -3807,6 +3807,10 @@ addop("mulsd", [bs8(0x0f), bs8(0x59), pref_f2] + rmmod(xmm_reg, rm_arg_xmm_m64))
 addop("divss", [bs8(0x0f), bs8(0x5e), pref_f3] + rmmod(xmm_reg, rm_arg_xmm_m32))
 addop("divsd", [bs8(0x0f), bs8(0x5e), pref_f2] + rmmod(xmm_reg, rm_arg_xmm_m64))
 
+addop("roundss", [bs8(0x0f), bs8(0x3a), bs8(0x0a), pref_66] +
+      rmmod(xmm_reg, rm_arg_xmm_m32) + [u08])
+addop("roundsd", [bs8(0x0f), bs8(0x3a), bs8(0x0b), pref_66] +
+      rmmod(xmm_reg, rm_arg_xmm_m64) + [u08])
 
 addop("pminsw", [bs8(0x0f), bs8(0xea), no_xmm_pref] + rmmod(mm_reg, rm_arg_mm))
 addop("pminsw", [bs8(0x0f), bs8(0xea), pref_66] + rmmod(xmm_reg, rm_arg_xmm))