user32: Clear %edi register when calling window procedure.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=46352Signed-off-by: Alexandre Julliard <julliard@winehq.org>

user32: Clear %edi register when calling window procedure.
0d83218a · Alexandre Julliard · c26b6afa · 0d83218a
Commit 0d83218a authored Dec 28, 2018 by Alexandre Julliard
Hide whitespace changes
Inline Side-by-side

Showing with 2 additions and 0 deletions

winproc.c dlls/user32/winproc.c +2 -0

No files found.
--- a/dlls/user32/winproc.c
+++ b/dlls/user32/winproc.c
@@ -191,6 +191,8 @@ __ASM_GLOBAL_FUNC( WINPROC_wrapper,
                   __ASM_CFI(".cfi_rel_offset %esi,-8\n\t")
                   "pushl %ebx\n\t"
                   __ASM_CFI(".cfi_rel_offset %ebx,-12\n\t")
+                   /* TreePad X Enterprise assumes that edi is < 0x80000000 in WM_TIMER messages */
+                   "xorl %edi,%edi\n\t"
                   "subl $12,%esp\n\t"
                   "pushl 24(%ebp)\n\t"
                   "pushl 20(%ebp)\n\t"