[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [6046] target-ppc: use a correct value to represent 1.0
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [6046] target-ppc: use a correct value to represent 1.0 |
Date: |
Mon, 15 Dec 2008 17:13:48 +0000 |
Revision: 6046
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6046
Author: aurel32
Date: 2008-12-15 17:13:48 +0000 (Mon, 15 Dec 2008)
Log Message:
-----------
target-ppc: use a correct value to represent 1.0
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 17:13:39 UTC (rev 6045)
+++ trunk/target-ppc/op_helper.c 2008-12-15 17:13:48 UTC (rev 6046)
@@ -1517,7 +1517,8 @@
/* fre - fre. */
uint64_t helper_fre (uint64_t arg)
{
- CPU_DoubleU farg;
+ CPU_DoubleU fone, farg;
+ fone.ll = 0x3FF0000000000000ULL;
farg.ll = arg;
if (unlikely(float64_is_signaling_nan(farg.d))) {
@@ -1525,9 +1526,9 @@
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
} else if (unlikely(iszero(farg.d))) {
/* Zero reciprocal */
- farg.ll = float_zero_divide_excp(1.0, farg.d);
+ farg.ll = float_zero_divide_excp(fone.d, farg.d);
} else if (likely(isnormal(farg.d))) {
- farg.d = float64_div(1.0, farg.d, &env->fp_status);
+ farg.d = float64_div(fone.d, farg.d, &env->fp_status);
} else {
if (farg.ll == 0x8000000000000000ULL) {
farg.ll = 0xFFF0000000000000ULL;
@@ -1547,7 +1548,8 @@
/* fres - fres. */
uint64_t helper_fres (uint64_t arg)
{
- CPU_DoubleU farg;
+ CPU_DoubleU fone, farg;
+ fone.ll = 0x3FF0000000000000ULL;
farg.ll = arg;
if (unlikely(float64_is_signaling_nan(farg.d))) {
@@ -1555,13 +1557,13 @@
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
} else if (unlikely(iszero(farg.d))) {
/* Zero reciprocal */
- farg.ll = float_zero_divide_excp(1.0, farg.d);
+ farg.ll = float_zero_divide_excp(fone.d, farg.d);
} else if (likely(isnormal(farg.d))) {
#if USE_PRECISE_EMULATION
- farg.d = float64_div(1.0, farg.d, &env->fp_status);
+ farg.d = float64_div(fone.d, farg.d, &env->fp_status);
farg.d = float64_to_float32(farg.d, &env->fp_status);
#else
- farg.d = float32_div(1.0, farg.d, &env->fp_status);
+ farg.d = float32_div(fone.d, farg.d, &env->fp_status);
#endif
} else {
if (farg.ll == 0x8000000000000000ULL) {
@@ -1582,7 +1584,8 @@
/* frsqrte - frsqrte. */
uint64_t helper_frsqrte (uint64_t arg)
{
- CPU_DoubleU farg;
+ CPU_DoubleU fone, farg;
+ fone.ll = 0x3FF0000000000000ULL;
farg.ll = arg;
if (unlikely(float64_is_signaling_nan(farg.d))) {
@@ -1593,7 +1596,7 @@
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSQRT);
} else if (likely(isnormal(farg.d))) {
farg.d = float64_sqrt(farg.d, &env->fp_status);
- farg.d = float32_div(1.0, farg.d, &env->fp_status);
+ farg.d = float32_div(fone.d, farg.d, &env->fp_status);
} else {
if (farg.ll == 0x8000000000000000ULL) {
farg.ll = 0xFFF0000000000000ULL;
[Prev in Thread] |
Current Thread |
[Next in Thread] |
- [Qemu-devel] [6046] target-ppc: use a correct value to represent 1.0,
Aurelien Jarno <=