qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Qemu-devel] [4845] Fuse EQ and NE handling in tcg_out_brcond2


From: malc
Subject: [Qemu-devel] [4845] Fuse EQ and NE handling in tcg_out_brcond2
Date: Thu, 03 Jul 2008 23:49:15 +0000

Revision: 4845
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4845
Author:   malc
Date:     2008-07-03 23:49:14 +0000 (Thu, 03 Jul 2008)

Log Message:
-----------
Fuse EQ and NE handling in tcg_out_brcond2

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

Modified: trunk/tcg/ppc/tcg-target.c
===================================================================
--- trunk/tcg/ppc/tcg-target.c  2008-07-03 21:36:35 UTC (rev 4844)
+++ trunk/tcg/ppc/tcg-target.c  2008-07-03 23:49:14 UTC (rev 4845)
@@ -987,14 +987,11 @@
 
     switch (cond) {
     case TCG_COND_EQ:
-        tcg_out_cmp (s, TCG_COND_EQ, args[0], args[2], const_args[2], 6);
-        tcg_out_cmp (s, TCG_COND_EQ, args[1], args[3], const_args[3], 7);
-        tcg_out32 (s, CRAND | BT (7, CR_EQ) | BA (6, CR_EQ) | BB (7, CR_EQ));
-        break;
     case TCG_COND_NE:
-        tcg_out_cmp (s, TCG_COND_NE, args[0], args[2], const_args[2], 6);
-        tcg_out_cmp (s, TCG_COND_NE, args[1], args[3], const_args[3], 7);
-        tcg_out32 (s, CRNAND | BT (7, CR_EQ) | BA (6, CR_EQ) | BB (7, CR_EQ));
+        op = (cond == TCG_COND_EQ) ? CRAND : CRNAND;
+        tcg_out_cmp (s, cond, args[0], args[2], const_args[2], 6);
+        tcg_out_cmp (s, cond, args[1], args[3], const_args[3], 7);
+        tcg_out32 (s, op | BT (7, CR_EQ) | BA (6, CR_EQ) | BB (7, CR_EQ));
         break;
     case TCG_COND_LT:
     case TCG_COND_LE:






reply via email to

[Prev in Thread] Current Thread [Next in Thread]