commit 6c07dca0af0527226ec9784fbb703526887f09c0

Author: sewardj <sewardj@8f6e269a-dfd6-0310-a8e1-e2731360e62c>

Date:   Tue Mar 26 10:27:39 2013 +0000

    Implement SSE4 MOVNTDQA insn.  Fixes #316503.

    (Patrick J. LoPresti, lopresti@gmail.com)

    git-svn-id: svn://svn.valgrind.org/vex/trunk@2700 8f6e269a-dfd6-0310-a8e1-e2731360e62c

diff --git a/VEX/priv/guest_amd64_toIR.c b/VEX/priv/guest_amd64_toIR.c

index 1034971..7e98e76 100644

--- a/VEX/priv/guest_amd64_toIR.c

+++ b/VEX/priv/guest_amd64_toIR.c

@@ -16378,6 +16378,25 @@ Long dis_ESC_0F38__SSE4 ( Bool* decode_OK,

       }

       break;

+   case 0x2A:

+      /* 66 0F 38 2A = MOVNTDQA

+         "non-temporal" "streaming" load

+         Handle like MOVDQA but only memory operand is allowed */

+      if (have66noF2noF3(pfx) && sz == 2) {

+         modrm = getUChar(delta);

+         if (!epartIsReg(modrm)) {

+            addr = disAMode ( &alen, vbi, pfx, delta, dis_buf, 0 );

+            gen_SEGV_if_not_16_aligned( addr );

+            putXMMReg( gregOfRexRM(pfx,modrm),

+                       loadLE(Ity_V128, mkexpr(addr)) );

+            DIP("movntdqa %s,%s\n", dis_buf,

+                                    nameXMMReg(gregOfRexRM(pfx,modrm)));

+            delta += alen;

+            goto decode_success;

+         }

+      }

+      break;

+

    case 0x2B:

       /* 66 0f 38 2B /r = PACKUSDW xmm1, xmm2/m128

          2x 32x4 S->U saturating narrow from xmm2/m128 to xmm1 */