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target/ppc: Set FloatInfZeroNaNRule explicitly

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Set the FloatInfZeroNaNRule explicitly for the PPC target,
so we can remove the ifdef from pickNaNMulAdd().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241202131347.498124-8-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2024-12-11 15:30:54 +00:00
parent e494fe4909
commit 6f759b179f
2 changed files with 8 additions and 6 deletions
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7
target/ppc/cpu_init.c
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@ -7270,6 +7270,13 @@ static void ppc_cpu_reset_hold(Object *obj, ResetType type)
*/
set_float_2nan_prop_rule(float_2nan_prop_ab, &env->fp_status);
set_float_2nan_prop_rule(float_2nan_prop_ab, &env->vec_status);
/*
* For PPC, the (inf,zero,qnan) case sets InvalidOp, but we prefer
* to return an input NaN if we have one (ie c) rather than generating
* a default NaN
*/
set_float_infzeronan_rule(float_infzeronan_dnan_never, &env->fp_status);
set_float_infzeronan_rule(float_infzeronan_dnan_never, &env->vec_status);
for (i = 0; i < ARRAY_SIZE(env->spr_cb); i++) {
ppc_spr_t *spr = &env->spr_cb[i];