From 340bdb0b6c67ee0960f604767a8fa8e81326f92d Mon Sep 17 00:00:00 2001
From: ptitSeb <sebastien.chev@gmail.com>
Date: Tue, 9 Mar 2021 09:20:17 +0100
Subject: Added REX 0F C8..CF BSWAP opcodes

---
 src/emu/x64run0f.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'src')

diff --git a/src/emu/x64run0f.c b/src/emu/x64run0f.c
index 81636b4a..8fa3fdfa 100644
--- a/src/emu/x64run0f.c
+++ b/src/emu/x64run0f.c
@@ -474,6 +474,21 @@ int Run0F(x64emu_t *emu, rex_t rex)
             }
             break;
 
+        case 0xC8:
+        case 0xC9:
+        case 0xCA:
+        case 0xCB:
+        case 0xCC:
+        case 0xCD:
+        case 0xCE:
+        case 0xCF:                  /* BSWAP reg */
+            tmp8u = (opcode&7)+(rex.b<<3);
+            if(rex.w)
+                emu->regs[tmp8u].q[0] = __builtin_bswap64(emu->regs[tmp8u].q[0]);
+            else
+                emu->regs[tmp8u].dword[0] = __builtin_bswap32(emu->regs[tmp8u].dword[0]);
+            break;
+
         case 0xD1:                   /* PSRLW Gm,Em */
             nextop = F8;
             GETEM(0);
-- 
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