From 45668a8be112878a2d34a6ba11684b0ff60df4ed Mon Sep 17 00:00:00 2001 From: =?utf8?q?Samuel=20Iglesias=20Gons=C3=A1lvez?= Date: Fri, 1 Feb 2019 11:23:28 +0100 Subject: [PATCH] nir: add auxiliary functions to detect if a mode is enabled MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit v2: - Added more functions. v3: - Simplify most of the functions (Caio). v4: - Updated to renamed enum values (Andres). Signed-off-by: Samuel Iglesias Gonsálvez Signed-off-by: Andres Gomez Reviewed-by: Connor Abbott [v2] Reviewed-by: Caio Marcelo de Oliveira Filho [v3] --- src/compiler/nir/nir.h | 81 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h index 1bfea2b2143..191bf53e555 100644 --- a/src/compiler/nir/nir.h +++ b/src/compiler/nir/nir.h @@ -988,6 +988,87 @@ nir_op_vec(unsigned components) } } +static inline bool +nir_is_float_control_signed_zero_inf_nan_preserve(unsigned execution_mode, unsigned bit_size) +{ + return (16 == bit_size && execution_mode & FLOAT_CONTROLS_SIGNED_ZERO_INF_NAN_PRESERVE_FP16) || + (32 == bit_size && execution_mode & FLOAT_CONTROLS_SIGNED_ZERO_INF_NAN_PRESERVE_FP32) || + (64 == bit_size && execution_mode & FLOAT_CONTROLS_SIGNED_ZERO_INF_NAN_PRESERVE_FP64); +} + +static inline bool +nir_is_denorm_flush_to_zero(unsigned execution_mode, unsigned bit_size) +{ + return (16 == bit_size && execution_mode & FLOAT_CONTROLS_DENORM_FLUSH_TO_ZERO_FP16) || + (32 == bit_size && execution_mode & FLOAT_CONTROLS_DENORM_FLUSH_TO_ZERO_FP32) || + (64 == bit_size && execution_mode & FLOAT_CONTROLS_DENORM_FLUSH_TO_ZERO_FP64); +} + +static inline bool +nir_is_denorm_preserve(unsigned execution_mode, unsigned bit_size) +{ + return (16 == bit_size && execution_mode & FLOAT_CONTROLS_DENORM_PRESERVE_FP16) || + (32 == bit_size && execution_mode & FLOAT_CONTROLS_DENORM_PRESERVE_FP32) || + (64 == bit_size && execution_mode & FLOAT_CONTROLS_DENORM_PRESERVE_FP64); +} + +static inline bool +nir_is_rounding_mode_rtne(unsigned execution_mode, unsigned bit_size) +{ + return (16 == bit_size && execution_mode & FLOAT_CONTROLS_ROUNDING_MODE_RTE_FP16) || + (32 == bit_size && execution_mode & FLOAT_CONTROLS_ROUNDING_MODE_RTE_FP32) || + (64 == bit_size && execution_mode & FLOAT_CONTROLS_ROUNDING_MODE_RTE_FP64); +} + +static inline bool +nir_is_rounding_mode_rtz(unsigned execution_mode, unsigned bit_size) +{ + return (16 == bit_size && execution_mode & FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP16) || + (32 == bit_size && execution_mode & FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP32) || + (64 == bit_size && execution_mode & FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP64); +} + +static inline bool +nir_has_any_rounding_mode_rtz(unsigned execution_mode) +{ + return (execution_mode & FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP16) || + (execution_mode & FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP32) || + (execution_mode & FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP64); +} + +static inline bool +nir_has_any_rounding_mode_rtne(unsigned execution_mode) +{ + return (execution_mode & FLOAT_CONTROLS_ROUNDING_MODE_RTE_FP16) || + (execution_mode & FLOAT_CONTROLS_ROUNDING_MODE_RTE_FP32) || + (execution_mode & FLOAT_CONTROLS_ROUNDING_MODE_RTE_FP64); +} + +static inline nir_rounding_mode +nir_get_rounding_mode_from_float_controls(unsigned execution_mode, + nir_alu_type type) +{ + if (nir_alu_type_get_base_type(type) != nir_type_float) + return nir_rounding_mode_undef; + + unsigned bit_size = nir_alu_type_get_type_size(type); + + if (nir_is_rounding_mode_rtz(execution_mode, bit_size)) + return nir_rounding_mode_rtz; + if (nir_is_rounding_mode_rtne(execution_mode, bit_size)) + return nir_rounding_mode_rtne; + return nir_rounding_mode_undef; +} + +static inline bool +nir_has_any_rounding_mode_enabled(unsigned execution_mode) +{ + bool result = + nir_has_any_rounding_mode_rtne(execution_mode) || + nir_has_any_rounding_mode_rtz(execution_mode); + return result; +} + typedef enum { /** * Operation where the first two sources are commutative. -- 2.30.2