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José María Casanova Crespo authored
Since 1e7d82c8 ("nir/algebraic: always lower idiv to shifts if bitops are allowed") idiv is lowered and generates a isign operation. VC4 HW doesn't support isign and lower_isign wasn't enabled. Enabling it fixes the regressions caused by this new optimization on piglit tests shaders/glsl-fs-loop-nested. Fixes: 1e7d82c8 ("nir/algebraic: always lower idiv to shifts if bitops are allowed") Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com> Part-of: <mesa/mesa!7089>
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