File VEX-x86-pinsrd.patch of Package valgrind

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File VEX-x86-pinsrd.patch of Package valgrind (Revision 20b081ff605e7f74e947ef527af7c278)

Currently displaying revision 20b081ff605e7f74e947ef527af7c278 , Show latest

Index: valgrind-3.23.0/VEX/priv/guest_x86_toIR.c
===================================================================
--- valgrind-3.23.0.orig/VEX/priv/guest_x86_toIR.c
+++ valgrind-3.23.0/VEX/priv/guest_x86_toIR.c
@@ -12941,6 +12941,62 @@ DisResult disInstr_X86_WRK (
    /* --- start of the SSE4 decoder                    --- */
    /* ---------------------------------------------------- */
 
+   /* 66 0F 3A 22 /r ib = PINSRD xmm1, r/m32, imm8
+      Extract Doubleword int from gen.reg/mem32 and insert into xmm1 */
+   if ( sz == 2
+        && insn[0] == 0x0F && insn[1] == 0x3A && insn[2] == 0x22 ) {
+
+      Int imm8_10;
+      IRTemp src_elems = newTemp(Ity_I32);
+      IRTemp src_vec   = newTemp(Ity_V128);
+      IRTemp z32       = newTemp(Ity_I32);
+
+      modrm = insn[3];
+
+      if ( epartIsReg( modrm ) ) {
+         imm8_10 = (Int)(insn[3+1] & 3);
+         assign( src_elems, getIReg( 4, eregOfRM(modrm) ) );
+         delta += 3+1+1;
+         DIP( "pinsrd $%d, %s,%s\n", imm8_10,
+              nameIReg( 4, eregOfRM(modrm) ),
+              nameXMMReg( gregOfRM(modrm) ) );
+      } else {
+         addr = disAMode( &alen, sorb, delta+3, dis_buf );
+         imm8_10 = (Int)(insn[3+alen] & 3);
+         assign( src_elems, loadLE( Ity_I32, mkexpr(addr) ) );
+         delta += 3+alen+1;
+         DIP( "pinsrd $%d, %s,%s\n",
+              imm8_10, dis_buf, nameXMMReg( gregOfRM(modrm) ) );
+      }
+
+      assign(z32, mkU32(0));
+
+      UShort mask = 0;
+      switch (imm8_10) {
+         case 3:  mask = 0x0FFF;
+                  assign(src_vec, mk128from32s(src_elems, z32, z32, z32));
+                  break;
+         case 2:  mask = 0xF0FF;
+                  assign(src_vec, mk128from32s(z32, src_elems, z32, z32));
+                  break;
+         case 1:  mask = 0xFF0F;
+                  assign(src_vec, mk128from32s(z32, z32, src_elems, z32));
+                  break;
+         case 0:  mask = 0xFFF0;
+                  assign(src_vec, mk128from32s(z32, z32, z32, src_elems));
+                  break;
+         default: vassert(0);
+      }
+
+      putXMMReg( gregOfRM(modrm),
+                 binop( Iop_OrV128, mkexpr(src_vec),
+                        binop( Iop_AndV128,
+                               getXMMReg( gregOfRM(modrm) ),
+                               mkV128(mask) ) ) );
+
+      goto decode_success;
+   }
+
    /* 66 0F 3A 0B /r ib = ROUNDSD imm8, xmm2/m64, xmm1
       (Partial implementation only -- only deal with cases where
       the rounding mode is specified directly by the immediate byte.)

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File VEX-x86-pinsrd.patch of Package valgrind (Revision 20b081ff605e7f74e947ef527af7c278)

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