| Message ID | 20241202131347.498124-37-peter.maydell@linaro.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | fpu: Remove pickNaNMulAdd, default-NaN ifdefs | expand |
On 12/2/24 07:13, Peter Maydell wrote: > Set the default NaN pattern explicitly, and remove the ifdef from > parts64_default_nan(). > > Signed-off-by: Peter Maydell <peter.maydell@linaro.org> > --- > target/microblaze/cpu.c | 2 ++ > fpu/softfloat-specialize.c.inc | 3 +-- > 2 files changed, 3 insertions(+), 2 deletions(-) Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~ > > diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c > index 710eb1146c1..0e1e22d1e8e 100644 > --- a/target/microblaze/cpu.c > +++ b/target/microblaze/cpu.c > @@ -207,6 +207,8 @@ static void mb_cpu_reset_hold(Object *obj, ResetType type) > * this architecture. > */ > set_float_2nan_prop_rule(float_2nan_prop_x87, &env->fp_status); > + /* Default NaN: sign bit set, most significant frac bit set */ > + set_float_default_nan_pattern(0b11000000, &env->fp_status); > > #if defined(CONFIG_USER_ONLY) > /* start in user mode with interrupts enabled. */ > diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc > index b1ec534983c..d77404f0c47 100644 > --- a/fpu/softfloat-specialize.c.inc > +++ b/fpu/softfloat-specialize.c.inc > @@ -139,8 +139,7 @@ static void parts64_default_nan(FloatParts64 *p, float_status *status) > #if defined(TARGET_SPARC) || defined(TARGET_M68K) > /* Sign bit clear, all frac bits set */ > dnan_pattern = 0b01111111; > -#elif defined(TARGET_I386) || defined(TARGET_X86_64) \ > - || defined(TARGET_MICROBLAZE) > +#elif defined(TARGET_I386) || defined(TARGET_X86_64) > /* Sign bit set, most significant frac bit set */ > dnan_pattern = 0b11000000; > #elif defined(TARGET_HPPA)
diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c index 710eb1146c1..0e1e22d1e8e 100644 --- a/target/microblaze/cpu.c +++ b/target/microblaze/cpu.c @@ -207,6 +207,8 @@ static void mb_cpu_reset_hold(Object *obj, ResetType type) * this architecture. */ set_float_2nan_prop_rule(float_2nan_prop_x87, &env->fp_status); + /* Default NaN: sign bit set, most significant frac bit set */ + set_float_default_nan_pattern(0b11000000, &env->fp_status); #if defined(CONFIG_USER_ONLY) /* start in user mode with interrupts enabled. */ diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc index b1ec534983c..d77404f0c47 100644 --- a/fpu/softfloat-specialize.c.inc +++ b/fpu/softfloat-specialize.c.inc @@ -139,8 +139,7 @@ static void parts64_default_nan(FloatParts64 *p, float_status *status) #if defined(TARGET_SPARC) || defined(TARGET_M68K) /* Sign bit clear, all frac bits set */ dnan_pattern = 0b01111111; -#elif defined(TARGET_I386) || defined(TARGET_X86_64) \ - || defined(TARGET_MICROBLAZE) +#elif defined(TARGET_I386) || defined(TARGET_X86_64) /* Sign bit set, most significant frac bit set */ dnan_pattern = 0b11000000; #elif defined(TARGET_HPPA)
Set the default NaN pattern explicitly, and remove the ifdef from parts64_default_nan(). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- target/microblaze/cpu.c | 2 ++ fpu/softfloat-specialize.c.inc | 3 +-- 2 files changed, 3 insertions(+), 2 deletions(-)