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| author | Peter Maydell <peter.maydell@linaro.org> | 2024-12-11 15:30:58 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2024-12-11 15:30:58 +0000 |
| commit | 49866dcb59a28325c99c08745ed8e7c81828ed06 (patch) | |
| tree | 3380e544d790198668bdd9137a461f492ee2f986 | |
| parent | b07039a03e0261105e2de45eb077ede18b3e49b5 (diff) | |
| download | qemu-49866dcb59a28325c99c08745ed8e7c81828ed06.zip qemu-49866dcb59a28325c99c08745ed8e7c81828ed06.tar.gz qemu-49866dcb59a28325c99c08745ed8e7c81828ed06.tar.bz2 | |
target/sparc: Set Float3NaNPropRule explicitly
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
| -rw-r--r-- | fpu/softfloat-specialize.c.inc | 2 | ||||
| -rw-r--r-- | target/sparc/cpu.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc index 8a36280..c4d8d08 100644 --- a/fpu/softfloat-specialize.c.inc +++ b/fpu/softfloat-specialize.c.inc @@ -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; diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c index 61f2d3f..0f2997a 100644 --- a/target/sparc/cpu.c +++ b/target/sparc/cpu.c @@ -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); |