From: Robert Reif <reif@earthlink.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH] sparc32 remove unnecessary & 0xffffffff
Date: Thu, 15 Nov 2007 18:13:26 -0500 [thread overview]
Message-ID: <473CD296.8090100@earthlink.net> (raw)
[-- Attachment #1: Type: text/plain, Size: 58 bytes --]
Remove unnecessary masking of lower word with 0xffffffff.
[-- Attachment #2: mask.diff.txt --]
[-- Type: text/plain, Size: 1665 bytes --]
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;
next reply other threads:[~2007-11-16 0:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-15 23:13 Robert Reif [this message]
2007-11-17 9:23 ` [Qemu-devel] [PATCH] sparc32 remove unnecessary & 0xffffffff Blue Swirl
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