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target/ppc: Update do_frsp for new flags 

Now that vxsnan is computed directly by softfloat,
we don't need to recompute it.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211119160502.17432-23-richard.henderson@linaro.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Richard Henderson 2021-12-17 17:57:15 +01:00 committed by Cédric Le Goater
parent 7238e55bd6
commit 734cfbd84e
1 changed files with 4 additions and 9 deletions
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13
target/ppc/fpu_helper.c
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@ -723,18 +723,13 @@ FPU_FMADD(fnmsub, NMSUB_FLGS)
/* frsp - frsp. */
static uint64_t do_frsp(CPUPPCState *env, uint64_t arg, uintptr_t retaddr)
{
CPU_DoubleU farg;
float32 f32;
float32 f32 = float64_to_float32(arg, &env->fp_status);
int flags = get_float_exception_flags(&env->fp_status);
farg.ll = arg;
if (unlikely(float64_is_signaling_nan(farg.d, &env->fp_status))) {
if (unlikely(flags & float_flag_invalid_snan)) {
float_invalid_op_vxsnan(env, retaddr);
}
f32 = float64_to_float32(farg.d, &env->fp_status);
farg.d = float32_to_float64(f32, &env->fp_status);
return farg.ll;
return float32_to_float64(f32, &env->fp_status);
}
uint64_t helper_frsp(CPUPPCState *env, uint64_t arg)