On 10/17/2021 3:12 AM, Roger Sayle wrote:
This simple patch performs compile-time constant folding of
signed saturating negation and signed saturating absolute value
in the RTL optimizers. Normally in two's complement arithmetic
the lowest representable signed value overflows on negation,
wit
This simple patch performs compile-time constant folding of
signed saturating negation and signed saturating absolute value
in the RTL optimizers. Normally in two's complement arithmetic
the lowest representable signed value overflows on negation,
with these saturating operators they "saturate" t
