From: Julian Seward <jseward@acm.org>
Date: Sun, 2 Sep 2012 12:13:34 +0000 (+0000)
Subject: Remove alignment checks for VMPSADBW, VPHMINPOSUW, VPALIGNR since they
X-Git-Tag: svn/VALGRIND_3_9_0^2~262
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e1695a9e84e247bf1dc374887ba150d5c99c0140;p=thirdparty%2Fvalgrind.git

Remove alignment checks for VMPSADBW, VPHMINPOSUW, VPALIGNR since they
do not apply to the AVX versions of these instructions.  Fixes #305926.
(Jakub Jelinek, jakub@redhat.com)


git-svn-id: svn://svn.valgrind.org/vex/trunk@2499
---

diff --git a/VEX/priv/guest_amd64_toIR.c b/VEX/priv/guest_amd64_toIR.c
index 4cf7e6da14..d64289559e 100644
--- a/VEX/priv/guest_amd64_toIR.c
+++ b/VEX/priv/guest_amd64_toIR.c
@@ -16028,7 +16028,8 @@ static Long dis_PHMINPOSUW_128 ( VexAbiInfo* vbi, Prefix pfx,
       DIP("%sphminposuw %s,%s\n", mbV, nameXMMReg(rE), nameXMMReg(rG));
    } else {
       addr = disAMode ( &alen, vbi, pfx, delta, dis_buf, 0 );
-      gen_SEGV_if_not_16_aligned(addr);
+      if (!isAvx)
+         gen_SEGV_if_not_16_aligned(addr);
       assign( sV, loadLE(Ity_V128, mkexpr(addr)) );
       delta += alen;
       DIP("%sphminposuw %s,%s\n", mbV, dis_buf, nameXMMReg(rG));
@@ -25898,7 +25899,6 @@ Long dis_ESC_0F3A__VEX (
                                            nameXMMReg(rV), nameXMMReg(rG));
          } else {
             addr = disAMode( &alen, vbi, pfx, delta, dis_buf, 1 );
-            gen_SEGV_if_not_16_aligned( addr );
             assign( sV, loadLE(Ity_V128, mkexpr(addr)) );
             imm8 = getUChar(delta+alen);
             delta += alen+1;
@@ -26291,7 +26291,6 @@ Long dis_ESC_0F3A__VEX (
          } else {
             addr = disAMode( &alen, vbi, pfx, delta, dis_buf, 
                              1/* imm8 is 1 byte after the amode */ );
-            gen_SEGV_if_not_16_aligned( addr );
             assign( src_vec, loadLE( Ity_V128, mkexpr(addr) ) );
             imm8 = (Int)getUChar(delta+alen);
             delta += alen+1;