Changeset 90466 in vbox for trunk/include

Timestamp:

Aug 2, 2021 10:56:08 AM (4 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

146070

Message:

iprt/asm-amd64-x86-watcom-16.h: Fix ASMOutStrU8/16/32 - cannot list DS as a modified register, so save it in AX.

File:

• trunk/include/iprt/asm-amd64-x86-watcom-16.h (modified) (3 diffs)

trunk/include/iprt/asm-amd64-x86-watcom-16.h

@@ -730 +730 @@
 #pragma aux ASMOutStrU8 = \
     ".186" \
+    "mov ax, ds" \
     "mov ds, bx" \
     "rep outsb" \
+    "mov ds, ax" \
     parm [dx] [bx si] [cx] nomemory \
-    modify exact [si cx ds] nomemory;
+    modify exact [si cx ax] nomemory;
 #endif
 
@@ -749 +751 @@
 #pragma aux ASMOutStrU16 = \
     ".186" \
+    "mov ax, ds" \
     "mov ds, bx" \
     "rep outsw" \
+    "mov ds, ax" \
     parm [dx] [bx si] [cx] nomemory \
-    modify exact [si cx ds] nomemory;
+    modify exact [si cx ax] nomemory;
 #endif
 
@@ -768 +772 @@
 #pragma aux ASMOutStrU32 = \
     ".386" \
+    "mov ax, ds" \
     "mov ds, bx" \
     "rep outsd" \
+    "mov ds, ax" \
     parm [dx] [bx si] [cx] nomemory \
-    modify exact [si cx ds] nomemory;
+    modify exact [si cx ax] nomemory;
 #endif