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target-ppc: use the new float constants

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Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6515 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2009-02-04 13:52:39 +00:00
parent 196cfc89e8
commit c609b12e1f
1 changed files with 6 additions and 12 deletions
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18
target-ppc/op_helper.c
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@ -1501,15 +1501,13 @@ uint64_t helper_fsqrt (uint64_t arg)
/* fre - fre. */ /* fre - fre. */
uint64_t helper_fre (uint64_t arg) uint64_t helper_fre (uint64_t arg)
{ {
CPU_DoubleU fone, farg; CPU_DoubleU farg;
fone.ll = 0x3FF0000000000000ULL; /* 1.0 */
farg.ll = arg;
if (unlikely(float64_is_signaling_nan(farg.d))) { if (unlikely(float64_is_signaling_nan(farg.d))) {
/* sNaN reciprocal */ /* sNaN reciprocal */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
} else { } else {
farg.d = float64_div(fone.d, farg.d, &env->fp_status); farg.d = float64_div(float64_one, farg.d, &env->fp_status);
} }
return farg.d; return farg.d;
} }
@ -1517,16 +1515,14 @@ uint64_t helper_fre (uint64_t arg)
/* fres - fres. */ /* fres - fres. */
uint64_t helper_fres (uint64_t arg) uint64_t helper_fres (uint64_t arg)
{ {
CPU_DoubleU fone, farg; CPU_Double farg;
float32 f32; float32 f32;
fone.ll = 0x3FF0000000000000ULL; /* 1.0 */
farg.ll = arg;
if (unlikely(float64_is_signaling_nan(farg.d))) { if (unlikely(float64_is_signaling_nan(farg.d))) {
/* sNaN reciprocal */ /* sNaN reciprocal */
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN);
} else { } else {
farg.d = float64_div(fone.d, farg.d, &env->fp_status); farg.d = float64_div(float64_one, farg.d, &env->fp_status);
f32 = 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); farg.d = float32_to_float64(f32, &env->fp_status);
} }
@ -1536,10 +1532,8 @@ uint64_t helper_fres (uint64_t arg)
/* frsqrte - frsqrte. */ /* frsqrte - frsqrte. */
uint64_t helper_frsqrte (uint64_t arg) uint64_t helper_frsqrte (uint64_t arg)
{ {
CPU_DoubleU fone, farg; CPU_DoubleU farg;
float32 f32; float32 f32;
fone.ll = 0x3FF0000000000000ULL; /* 1.0 */
farg.ll = arg;
if (unlikely(float64_is_signaling_nan(farg.d))) { if (unlikely(float64_is_signaling_nan(farg.d))) {
/* sNaN reciprocal square root */ /* sNaN reciprocal square root */
@ -1549,7 +1543,7 @@ uint64_t helper_frsqrte (uint64_t arg)
farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSQRT); farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSQRT);
} else { } else {
farg.d = float64_sqrt(farg.d, &env->fp_status); farg.d = float64_sqrt(farg.d, &env->fp_status);
farg.d = float64_div(fone.d, farg.d, &env->fp_status); farg.d = float64_div(float64_one, farg.d, &env->fp_status);
f32 = 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); farg.d = float32_to_float64(f32, &env->fp_status);
} }