* [Qemu-devel] [5196] Write zeros to high bits of y, based on patch by Vince Weaver
@ 2008-09-11 16:01 Blue Swirl
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From: Blue Swirl @ 2008-09-11 16:01 UTC (permalink / raw)
To: qemu-devel
Revision: 5196
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5196
Author: blueswir1
Date: 2008-09-11 16:01:02 +0000 (Thu, 11 Sep 2008)
Log Message:
-----------
Write zeros to high bits of y, based on patch by Vince Weaver
Modified Paths:
--------------
trunk/target-sparc/translate.c
Modified: trunk/target-sparc/translate.c
===================================================================
--- trunk/target-sparc/translate.c 2008-09-11 14:32:27 UTC (rev 5195)
+++ trunk/target-sparc/translate.c 2008-09-11 16:01:02 UTC (rev 5196)
@@ -709,7 +709,8 @@
tcg_gen_andi_tl(r_temp, cpu_cc_src, 0x1);
tcg_gen_shli_tl(r_temp, r_temp, 31);
tcg_gen_shri_tl(cpu_tmp0, cpu_y, 1);
- tcg_gen_or_tl(cpu_y, cpu_tmp0, r_temp);
+ tcg_gen_or_tl(cpu_tmp0, cpu_tmp0, r_temp);
+ tcg_gen_andi_tl(cpu_y, cpu_tmp0, 0xffffffff);
// b1 = N ^ V;
gen_mov_reg_N(cpu_tmp0, cpu_psr);
@@ -3195,7 +3196,8 @@
{
switch(rd) {
case 0: /* wry */
- tcg_gen_xor_tl(cpu_y, cpu_src1, cpu_src2);
+ tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
+ tcg_gen_andi_tl(cpu_y, cpu_tmp0, 0xffffffff);
break;
#ifndef TARGET_SPARC64
case 0x01 ... 0x0f: /* undefined in the
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