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| author | Bharata B Rao | 2017-01-06 07:14:45 +0100 |
|---|---|---|
| committer | David Gibson | 2017-01-31 00:10:13 +0100 |
| commit | 1383602e0daed0f4f9faefce0a88a296d6e94ae7 (patch) | |
| tree | aadbe7b2dc31d6f577486fd08a84d2f4aecc30c1 | |
| parent | prep: add IBM RS/6000 7020 (40p) machine emulation (diff) | |
| download | qemu-1383602e0daed0f4f9faefce0a88a296d6e94ae7.tar.gz qemu-1383602e0daed0f4f9faefce0a88a296d6e94ae7.tar.xz qemu-1383602e0daed0f4f9faefce0a88a296d6e94ae7.zip | |
target-ppc: Use float64 arg in helper_compute_fprf()
Use float64 argument instead of unit64_t in helper_compute_fprf()
This allows code in helper_compute_fprf() to be reused later to
work with float128 argument too.
Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| -rw-r--r-- | target/ppc/fpu_helper.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 1ccd5e6c1c..4da991abfa 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -66,23 +66,21 @@ static inline int ppc_float64_get_unbiased_exp(float64 f) return ((f >> 52) & 0x7FF) - 1023; } -void helper_compute_fprf(CPUPPCState *env, uint64_t arg) +void helper_compute_fprf(CPUPPCState *env, float64 arg) { - CPU_DoubleU farg; int isneg; int fprf; - farg.ll = arg; - isneg = float64_is_neg(farg.d); - if (unlikely(float64_is_any_nan(farg.d))) { - if (float64_is_signaling_nan(farg.d, &env->fp_status)) { + isneg = float64_is_neg(arg); + if (unlikely(float64_is_any_nan(arg))) { + if (float64_is_signaling_nan(arg, &env->fp_status)) { /* Signaling NaN: flags are undefined */ fprf = 0x00; } else { /* Quiet NaN */ fprf = 0x11; } - } else if (unlikely(float64_is_infinity(farg.d))) { + } else if (unlikely(float64_is_infinity(arg))) { /* +/- infinity */ if (isneg) { fprf = 0x09; @@ -90,7 +88,7 @@ void helper_compute_fprf(CPUPPCState *env, uint64_t arg) fprf = 0x05; } } else { - if (float64_is_zero(farg.d)) { + if (float64_is_zero(arg)) { /* +/- zero */ if (isneg) { fprf = 0x12; @@ -98,7 +96,7 @@ void helper_compute_fprf(CPUPPCState *env, uint64_t arg) fprf = 0x02; } } else { - if (isden(farg.d)) { + if (isden(arg)) { /* Denormalized numbers */ fprf = 0x10; } else { |