Add support to softfloat for flushing input denormal float32 and float64 to zero. softfloat's existing 'flush_to_zero' flag only flushes denormals to zero on output. Some CPUs need input denormals to be flushed before processing as well. Implement this, using a new status flag to enable it and a new exception status bit to indicate when it has happened. Existing CPUs should be unaffected as there is no behaviour change unless the mode is enabled. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Acked-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> |
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softfloat-macros.h | ||
softfloat-native.c | ||
softfloat-native.h | ||
softfloat-specialize.h | ||
softfloat.c | ||
softfloat.h |