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Date: Thu, 15 Nov 2007 18:13:26 -0500
From: Robert Reif <reif@earthlink.net>
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Subject: [Qemu-devel] [PATCH] sparc32 remove unnecessary & 0xffffffff
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Remove unnecessary masking of lower word with 0xffffffff.

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Index: target-sparc/op_helper.c
===================================================================
RCS file: /sources/qemu/qemu/target-sparc/op_helper.c,v
retrieving revision 1.52
diff -p -u -r1.52 op_helper.c
--- target-sparc/op_helper.c	11 Nov 2007 19:46:09 -0000	1.52
+++ target-sparc/op_helper.c	15 Nov 2007 23:10:36 -0000
@@ -263,7 +263,7 @@ void helper_ld_asi(int asi, int size, in
         case 8:
             tmp = ldq_code(T0 & ~7);
             ret = tmp >> 32;
-            T0 = tmp & 0xffffffff;
+            T0 = tmp;
             break;
         }
         break;
@@ -282,7 +282,7 @@ void helper_ld_asi(int asi, int size, in
         case 8:
             tmp = ldq_user(T0 & ~7);
             ret = tmp >> 32;
-            T0 = tmp & 0xffffffff;
+            T0 = tmp;
             break;
         }
         break;
@@ -301,7 +301,7 @@ void helper_ld_asi(int asi, int size, in
         case 8:
             tmp = ldq_kernel(T0 & ~7);
             ret = tmp >> 32;
-            T0 = tmp & 0xffffffff;
+            T0 = tmp;
             break;
         }
         break;
@@ -325,7 +325,7 @@ void helper_ld_asi(int asi, int size, in
         case 8:
             tmp = ldq_phys(T0 & ~7);
             ret = tmp >> 32;
-            T0 = tmp & 0xffffffff;
+            T0 = tmp;
             break;
         }
         break;
@@ -349,7 +349,7 @@ void helper_ld_asi(int asi, int size, in
             tmp = ldq_phys((target_phys_addr_t)(T0 & ~7)
                            | ((target_phys_addr_t)(asi & 0xf) << 32));
             ret = tmp >> 32;
-            T0 = tmp & 0xffffffff;
+            T0 = tmp;
             break;
         }
         break;

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