commit 35343350beb699e87bae86a5466895de6d9827e9

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

Date:   Thu Oct 30 15:37:16 2014 +0000

    Implement frintx d_d and s_s.  Fixes #339926.

    git-svn-id: svn://svn.valgrind.org/vex/trunk@2981 8f6e269a-dfd6-0310-a8e1-e2731360e62c

diff --git a/VEX/priv/guest_arm64_toIR.c b/VEX/priv/guest_arm64_toIR.c

index 7f22f13..0377139 100644

--- a/VEX/priv/guest_arm64_toIR.c

+++ b/VEX/priv/guest_arm64_toIR.c

@@ -11921,7 +11921,7 @@ Bool dis_AdvSIMD_fp_data_proc_1_source(/*MB_OUT*/DisResult* dres, UInt insn)

             011 zero      (FRINTZ)

             000 tieeven

             100 tieaway   (FRINTA) -- !! FIXME KLUDGED !!

-            110 per FPCR + "exact = TRUE"

+            110 per FPCR + "exact = TRUE" (FRINTX)

             101 unallocated

       */

       Bool    isD   = (ty & 1) == 1;

@@ -11935,6 +11935,10 @@ Bool dis_AdvSIMD_fp_data_proc_1_source(/*MB_OUT*/DisResult* dres, UInt insn)

          case BITS3(0,0,1): ch = 'p'; irrmE = mkU32(Irrm_PosINF); break;

          // The following is a kludge.  Should be: Irrm_NEAREST_TIE_AWAY_0

          case BITS3(1,0,0): ch = 'a'; irrmE = mkU32(Irrm_NEAREST); break;

+         // I am unsure about the following, due to the "integral exact"

+         // description in the manual.  What does it mean?

+         case BITS3(1,1,0):

+            ch = 'x'; irrmE = mkexpr(mk_get_IR_rounding_mode()); break;

          default: break;

       }

       if (irrmE) {