target-ppc: use a correct value to represent 1.0
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6046 c046a42c-6fe2-441c-8c8c-71466251a162
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eb44b959de
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05b936038f
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@ -1517,7 +1517,8 @@ uint64_t helper_fsqrt (uint64_t arg)
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/* fre - fre. */
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/* fre - fre. */
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uint64_t helper_fre (uint64_t arg)
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uint64_t helper_fre (uint64_t arg)
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{
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{
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CPU_DoubleU farg;
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CPU_DoubleU fone, farg;
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fone.ll = 0x3FF0000000000000ULL;
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farg.ll = arg;
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farg.ll = arg;
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if (unlikely(float64_is_signaling_nan(farg.d))) {
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if (unlikely(float64_is_signaling_nan(farg.d))) {
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@ -1525,9 +1526,9 @@ uint64_t helper_fre (uint64_t arg)
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farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
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farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
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} else if (unlikely(iszero(farg.d))) {
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} else if (unlikely(iszero(farg.d))) {
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/* Zero reciprocal */
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/* Zero reciprocal */
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farg.ll = float_zero_divide_excp(1.0, farg.d);
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farg.ll = float_zero_divide_excp(fone.d, farg.d);
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} else if (likely(isnormal(farg.d))) {
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} else if (likely(isnormal(farg.d))) {
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farg.d = float64_div(1.0, farg.d, &env->fp_status);
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farg.d = float64_div(fone.d, farg.d, &env->fp_status);
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} else {
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} else {
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if (farg.ll == 0x8000000000000000ULL) {
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if (farg.ll == 0x8000000000000000ULL) {
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farg.ll = 0xFFF0000000000000ULL;
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farg.ll = 0xFFF0000000000000ULL;
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@ -1547,7 +1548,8 @@ uint64_t helper_fre (uint64_t arg)
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/* fres - fres. */
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/* fres - fres. */
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uint64_t helper_fres (uint64_t arg)
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uint64_t helper_fres (uint64_t arg)
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{
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{
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CPU_DoubleU farg;
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CPU_DoubleU fone, farg;
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fone.ll = 0x3FF0000000000000ULL;
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farg.ll = arg;
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farg.ll = arg;
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if (unlikely(float64_is_signaling_nan(farg.d))) {
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if (unlikely(float64_is_signaling_nan(farg.d))) {
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@ -1555,13 +1557,13 @@ uint64_t helper_fres (uint64_t arg)
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farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
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farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
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} else if (unlikely(iszero(farg.d))) {
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} else if (unlikely(iszero(farg.d))) {
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/* Zero reciprocal */
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/* Zero reciprocal */
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farg.ll = float_zero_divide_excp(1.0, farg.d);
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farg.ll = float_zero_divide_excp(fone.d, farg.d);
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} else if (likely(isnormal(farg.d))) {
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} else if (likely(isnormal(farg.d))) {
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#if USE_PRECISE_EMULATION
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#if USE_PRECISE_EMULATION
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farg.d = float64_div(1.0, farg.d, &env->fp_status);
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farg.d = float64_div(fone.d, farg.d, &env->fp_status);
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farg.d = float64_to_float32(farg.d, &env->fp_status);
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farg.d = float64_to_float32(farg.d, &env->fp_status);
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#else
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#else
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farg.d = float32_div(1.0, farg.d, &env->fp_status);
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farg.d = float32_div(fone.d, farg.d, &env->fp_status);
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#endif
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#endif
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} else {
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} else {
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if (farg.ll == 0x8000000000000000ULL) {
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if (farg.ll == 0x8000000000000000ULL) {
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@ -1582,7 +1584,8 @@ uint64_t helper_fres (uint64_t arg)
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/* frsqrte - frsqrte. */
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/* frsqrte - frsqrte. */
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uint64_t helper_frsqrte (uint64_t arg)
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uint64_t helper_frsqrte (uint64_t arg)
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{
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{
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CPU_DoubleU farg;
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CPU_DoubleU fone, farg;
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fone.ll = 0x3FF0000000000000ULL;
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farg.ll = arg;
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farg.ll = arg;
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if (unlikely(float64_is_signaling_nan(farg.d))) {
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if (unlikely(float64_is_signaling_nan(farg.d))) {
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@ -1593,7 +1596,7 @@ uint64_t helper_frsqrte (uint64_t arg)
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farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSQRT);
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farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSQRT);
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} else if (likely(isnormal(farg.d))) {
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} else if (likely(isnormal(farg.d))) {
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farg.d = float64_sqrt(farg.d, &env->fp_status);
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farg.d = float64_sqrt(farg.d, &env->fp_status);
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farg.d = float32_div(1.0, farg.d, &env->fp_status);
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farg.d = float32_div(fone.d, farg.d, &env->fp_status);
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} else {
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} else {
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if (farg.ll == 0x8000000000000000ULL) {
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if (farg.ll == 0x8000000000000000ULL) {
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farg.ll = 0xFFF0000000000000ULL;
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farg.ll = 0xFFF0000000000000ULL;
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