nir: Add explicitly sized types

v2: Fix size/type mask to properly handle 8-bit types.

v3: Add helpers to get the bitsize and base type of a
nir_alu_type enum.

Signed-off-by: Juan A. Suarez Romero <jasuarez@igalia.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>

diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index 00f107d42432d93275e5b7163e65b667285fc8f3..418682f2caf896e260be846a6a2d04aeb2a0cf3b 100644 (file)
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -613,9 +613,36 @@ typedef enum {
    nir_type_float,
    nir_type_int,
    nir_type_uint,
-   nir_type_bool
+   nir_type_bool,
+   nir_type_bool32 =    32 | nir_type_bool,
+   nir_type_int8 =      8  | nir_type_int,
+   nir_type_int16 =     16 | nir_type_int,
+   nir_type_int32 =     32 | nir_type_int,
+   nir_type_int64 =     64 | nir_type_int,
+   nir_type_uint8 =     8  | nir_type_uint,
+   nir_type_uint16 =    16 | nir_type_uint,
+   nir_type_uint32 =    32 | nir_type_uint,
+   nir_type_uint64 =    64 | nir_type_uint,
+   nir_type_float16 =   16 | nir_type_float,
+   nir_type_float32 =   32 | nir_type_float,
+   nir_type_float64 =   64 | nir_type_float,
 } nir_alu_type;
 
+#define NIR_ALU_TYPE_SIZE_MASK 0xfffffff8
+#define NIR_ALU_TYPE_BASE_TYPE_MASK 0x00000007
+
+static inline unsigned
+nir_alu_type_get_type_size(nir_alu_type type)
+{
+   return type & NIR_ALU_TYPE_SIZE_MASK;
+}
+
+static inline unsigned
+nir_alu_type_get_base_type(nir_alu_type type)
+{
+   return type & NIR_ALU_TYPE_BASE_TYPE_MASK;
+}
+
 typedef enum {
    NIR_OP_IS_COMMUTATIVE = (1 << 0),
    NIR_OP_IS_ASSOCIATIVE = (1 << 1),