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target/sparc: Set Float3NaNPropRule explicitly

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Set the Float3NaNPropRule explicitly for SPARC, and remove the
ifdef from pickNaNMulAdd().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241202131347.498124-22-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2024-12-11 15:30:58 +00:00
parent b07039a03e
commit 49866dcb59
2 changed files with 2 additions and 2 deletions
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2
fpu/softfloat-specialize.c.inc
View file

@ -511,8 +511,6 @@ static int pickNaNMulAdd(FloatClass a_cls, FloatClass b_cls, FloatClass c_cls,
} else {
rule = float_3nan_prop_s_cab;
}
#elif defined(TARGET_SPARC)
rule = float_3nan_prop_s_cba;
#elif defined(TARGET_XTENSA)
if (status->use_first_nan) {
rule = float_3nan_prop_abc;

2
target/sparc/cpu.c
View file

@ -814,6 +814,8 @@ static void sparc_cpu_realizefn(DeviceState *dev, Error **errp)
* the CPU state struct so it won't get zeroed on reset.
*/
set_float_2nan_prop_rule(float_2nan_prop_s_ba, &env->fp_status);
/* For fused-multiply add, prefer SNaN over QNaN, then C->B->A */
set_float_3nan_prop_rule(float_3nan_prop_s_cba, &env->fp_status);
/* For inf * 0 + NaN, return the input NaN */
set_float_infzeronan_rule(float_infzeronan_dnan_never, &env->fp_status);