[Valgrind-developers] VALGRIND_2_0_REALLY: valgrind/coregrind

[Dirk M. <mu...@kd...>]

CVS commit by mueller: 

rsqrtss support (backport)


  M +9 -0      vg_to_ucode.c   1.87.2.17


--- valgrind/coregrind/vg_to_ucode.c  #1.87.2.16:1.87.2.17
@@ -4791,4 +4791,13 @@ static Addr disInstr ( UCodeBlock* cb, A
    }
 
+   /* RSQRTSS: square root reciprocal of scalar float. */
+   if (insn[0] == 0xF3 && insn[1] == 0x0F && insn[2] == 0x52) {
+      vg_assert(sz == 4);
+      eip = dis_SSE3_reg_or_mem ( cb, sorb, eip+3, 4,
+                                      "sqrtss",
+                                      insn[0], insn[1], insn[2] );
+      goto decode_success;
+   }
+
    /* MOVLPS -- 8-byte load/store.  How is this different from MOVLPS
       ? */