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authorSamuel Iglesias Gonsálvez <[email protected]>2019-02-01 11:23:28 +0100
committerAndres Gomez <[email protected]>2019-09-17 23:39:18 +0300
commit45668a8be112878a2d34a6ba11684b0ff60df4ed (patch)
tree683710907b018e27e8c39b8fbabe5bd42a7d6e67
parent84781e1f1d8f68248bd39f817e4bc6dac3944320 (diff)
nir: add auxiliary functions to detect if a mode is enabled
v2: - Added more functions. v3: - Simplify most of the functions (Caio). v4: - Updated to renamed enum values (Andres). Signed-off-by: Samuel Iglesias Gonsálvez <[email protected]> Signed-off-by: Andres Gomez <[email protected]> Reviewed-by: Connor Abbott <[email protected]> [v2] Reviewed-by: Caio Marcelo de Oliveira Filho <[email protected]> [v3]
-rw-r--r--src/compiler/nir/nir.h81
1 files changed, 81 insertions, 0 deletions
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.