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| author | Peter Maydell <peter.maydell@linaro.org> | 2024-11-05 10:09:57 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2024-11-05 10:09:57 +0000 |
| commit | 355e6cfb94f61214ad4f633ce568debec5a8fc0d (patch) | |
| tree | 3bfdad95b9cf80cdfc2b2f950fe1fd047facb4e9 | |
| parent | 4fafdcc833f2bfe0037512921dc37ebeed053853 (diff) | |
| download | qemu-355e6cfb94f61214ad4f633ce568debec5a8fc0d.zip qemu-355e6cfb94f61214ad4f633ce568debec5a8fc0d.tar.gz qemu-355e6cfb94f61214ad4f633ce568debec5a8fc0d.tar.bz2 | |
target/openrisc: Explicitly set 2-NaN propagation rule
Set the NaN propagation rule explicitly for the float_status word
used in the openrisc target.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241025141254.2141506-20-peter.maydell@linaro.org
| -rw-r--r-- | fpu/softfloat-specialize.c.inc | 2 | ||||
| -rw-r--r-- | target/openrisc/cpu.c | 6 |
2 files changed, 7 insertions, 1 deletions
diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc index 40cbb1a..ee5c73c 100644 --- a/fpu/softfloat-specialize.c.inc +++ b/fpu/softfloat-specialize.c.inc @@ -407,7 +407,7 @@ static int pickNaN(FloatClass a_cls, FloatClass b_cls, || defined(TARGET_S390X) || defined(TARGET_PPC) || defined(TARGET_M68K) \ || defined(TARGET_SPARC) || defined(TARGET_XTENSA) \ || defined(TARGET_I386) || defined(TARGET_ALPHA) \ - || defined(TARGET_MICROBLAZE) + || defined(TARGET_MICROBLAZE) || defined(TARGET_OPENRISC) g_assert_not_reached(); #else rule = float_2nan_prop_x87; diff --git a/target/openrisc/cpu.c b/target/openrisc/cpu.c index 6ec54ad..b96561d 100644 --- a/target/openrisc/cpu.c +++ b/target/openrisc/cpu.c @@ -105,6 +105,12 @@ static void openrisc_cpu_reset_hold(Object *obj, ResetType type) set_float_detect_tininess(float_tininess_before_rounding, &cpu->env.fp_status); + /* + * TODO: this is probably not the correct NaN propagation rule for + * this architecture. + */ + set_float_2nan_prop_rule(float_2nan_prop_x87, &cpu->env.fp_status); + #ifndef CONFIG_USER_ONLY cpu->env.picmr = 0x00000000; |