[Qemu-devel] [4420] REXB optimization cannot be done at this level

[Fabrice Bellard]

Revision: 4420
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4420
Author:   bellard
Date:     2008-05-10 21:58:28 +0000 (Sat, 10 May 2008)

Log Message:
-----------
REXB optimization cannot be done at this level

Modified Paths:
--------------
    trunk/tcg/x86_64/tcg-target.c

Modified: trunk/tcg/x86_64/tcg-target.c
===================================================================
--- trunk/tcg/x86_64/tcg-target.c       2008-05-10 21:51:02 UTC (rev 4419)
+++ trunk/tcg/x86_64/tcg-target.c       2008-05-10 21:58:28 UTC (rev 4420)
@@ -235,7 +235,7 @@
     int rex;
     rex = ((opc >> 6) & 0x8) | ((r >> 1) & 0x4) | 
         ((x >> 2) & 2) | ((rm >> 3) & 1);
-    if (rex || ((opc & P_REXB) && r >= 4)) {
+    if (rex || (opc & P_REXB)) {
         tcg_out8(s, rex | 0x40);
     }
     if (opc & P_EXT)