[Qemu-devel] [6036] target-ppc: fix frsp instruction

[Aurelien Jarno]

Revision: 6036
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6036
Author:   aurel32
Date:     2008-12-15 01:00:17 +0000 (Mon, 15 Dec 2008)

Log Message:
-----------
target-ppc: fix frsp instruction

Signed-off-by: Aurelien Jarno <address@hidden>

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

Modified: trunk/target-ppc/op_helper.c
===================================================================
--- trunk/target-ppc/op_helper.c        2008-12-15 00:30:28 UTC (rev 6035)
+++ trunk/target-ppc/op_helper.c        2008-12-15 01:00:17 UTC (rev 6036)
@@ -1478,6 +1478,7 @@
 uint64_t helper_frsp (uint64_t arg)
 {
     CPU_DoubleU farg;
+    float32 f32;
     farg.ll = arg;
 
 #if USE_PRECISE_EMULATION
@@ -1485,10 +1486,12 @@
         /* sNaN square root */
        farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
     } else {
-       farg.d = float64_to_float32(farg.d, &env->fp_status);
+       f32 = float64_to_float32(farg.d, &env->fp_status);
+       farg.d = float32_to_float64(f32, &env->fp_status);
     }
 #else
-    farg.d = float64_to_float32(farg.d, &env->fp_status);
+    f32 = float64_to_float32(farg.d, &env->fp_status);
+    farg.d = float32_to_float64(f32, &env->fp_status);
 #endif
     return farg.ll;
 }