From bf0425f057117c778ac8ec6a4286e6c14ea6319f Mon Sep 17 00:00:00 2001
From: Alexis Engelke <alexis.engelke@googlemail.com>
Date: Mon, 13 Sep 2021 17:38:24 +0200
Subject: [PATCH] decode: Expose immediate in RVMR encodings

The AMD64 instructions VPERMIL2PS and VPERMIL2PD (currently not
supported) encode a fifth immediate operand in the lower bits of the
re-purposed immediate. Expose this value in any case so that no
information gets lost during decoding.
---
 decode.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/decode.c b/decode.c
index 31c37b2..92a2f7e 100644
--- a/decode.c
+++ b/decode.c
@@ -485,6 +485,7 @@ skip_modrm:
         if (mode == DECODE_32)
             reg &= 0x7f;
         operand->reg = reg >> 4;
+        instr->imm = reg & 0x0f;
     }
     else if (imm_control != 0)
     {