* [Qemu-devel] [4420] REXB optimization cannot be done at this level
@ 2008-05-10 21:58 Fabrice Bellard
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From: Fabrice Bellard @ 2008-05-10 21:58 UTC (permalink / raw)
To: qemu-devel
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)
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