mips: add a comment about decoding LX on Cavium

Interpret LX as a Cavium instruction, otherwise try decoding it as a DSP
instruction.
The fallthrough is deliberate.

Related to KDE #405430.

diff --git a/VEX/priv/guest_mips_toIR.c b/VEX/priv/guest_mips_toIR.c
index e2eeb0a58e778b59fa95dcb48b66ab3bf7acb7fb..d05816e28c4aaaaf9127f23e06558db743dd7282 100644 (file)
--- a/VEX/priv/guest_mips_toIR.c
+++ b/VEX/priv/guest_mips_toIR.c
@@ -30206,6 +30206,7 @@ static DisResult disInstr_MIPS_WRK ( Bool(*resteerOkFn) (/*opaque */void *,
                break;
             goto decode_failure;
          }
+         /* fallthrough */
       case 0xC:  /* INSV */
       case 0x38: {  /* EXTR.W */
          if (VEX_MIPS_PROC_DSP(archinfo->hwcaps)) {