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[Qemu-devel] [5138] Fix sign extension problems with smul and umul (Vinc


From: Blue Swirl
Subject: [Qemu-devel] [5138] Fix sign extension problems with smul and umul (Vince Weaver)
Date: Tue, 02 Sep 2008 16:33:24 +0000

Revision: 5138
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5138
Author:   blueswir1
Date:     2008-09-02 16:33:23 +0000 (Tue, 02 Sep 2008)

Log Message:
-----------
Fix sign extension problems with smul and umul (Vince Weaver)

Modified Paths:
--------------
    trunk/target-sparc/translate.c

Modified: trunk/target-sparc/translate.c
===================================================================
--- trunk/target-sparc/translate.c      2008-09-02 16:19:05 UTC (rev 5137)
+++ trunk/target-sparc/translate.c      2008-09-02 16:33:23 UTC (rev 5138)
@@ -769,8 +769,8 @@
     r_temp = tcg_temp_new(TCG_TYPE_I64);
     r_temp2 = tcg_temp_new(TCG_TYPE_I64);
 
-    tcg_gen_extu_tl_i64(r_temp, src2);
-    tcg_gen_extu_tl_i64(r_temp2, src1);
+    tcg_gen_extu_i32_i64(r_temp, src2);
+    tcg_gen_extu_i32_i64(r_temp2, src1);
     tcg_gen_mul_i64(r_temp2, r_temp, r_temp2);
 
     tcg_gen_shri_i64(r_temp, r_temp2, 32);
@@ -793,8 +793,8 @@
     r_temp = tcg_temp_new(TCG_TYPE_I64);
     r_temp2 = tcg_temp_new(TCG_TYPE_I64);
 
-    tcg_gen_ext_tl_i64(r_temp, src2);
-    tcg_gen_ext_tl_i64(r_temp2, src1);
+    tcg_gen_ext_i32_i64(r_temp, src2);
+    tcg_gen_ext_i32_i64(r_temp2, src1);
     tcg_gen_mul_i64(r_temp2, r_temp, r_temp2);
 
     tcg_gen_shri_i64(r_temp, r_temp2, 32);






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