Add comment about HINT instructions.

git-svn-id: svn://svn.valgrind.org/vex/trunk@3303

diff --git a/VEX/priv/guest_arm64_toIR.c b/VEX/priv/guest_arm64_toIR.c
index 484a26ea8d1ad172914d2b4110bf846834d466c1..8e91291ddba3dcd20471688b7d31db9e79716cb0 100644 (file)
--- a/VEX/priv/guest_arm64_toIR.c
+++ b/VEX/priv/guest_arm64_toIR.c
@@ -7025,6 +7025,9 @@ Bool dis_ARM64_branch_etc(/*MB_OUT*/DisResult* dres, UInt insn,
    /* -------------------- HINT ------------------- */
    /* 31        23        15   11   4 3
       1101 0101 0000 0011 0010 imm7 1 1111
+      Catch otherwise unhandled HINT instructions - any
+      like YIELD which are explicitly handled should go
+      above this case.
    */
    if (INSN(31,24) == BITS8(1,1,0,1,0,1,0,1)
        && INSN(23,16) == BITS8(0,0,0,0,0,0,1,1)