* [Qemu-devel] [6036] target-ppc: fix frsp instruction
@ 2008-12-15 1:00 Aurelien Jarno
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From: Aurelien Jarno @ 2008-12-15 1:00 UTC (permalink / raw)
To: qemu-devel
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 <aurelien@aurel32.net>
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;
}
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