pan/bi: Route through clause header

[mesa.git] / src / panfrost / bifrost / compiler.h

diff --git a/src/panfrost/bifrost/compiler.h b/src/panfrost/bifrost/compiler.h
index 9ff728c55a2672d2ffa5f2b175545187ad641d7b..3c84c2671d52cc37782f6430c37e42bce8f9348a 100644 (file)
--- a/src/panfrost/bifrost/compiler.h
+++ b/src/panfrost/bifrost/compiler.h
@@ -113,6 +113,11 @@ extern unsigned bi_class_props[BI_NUM_CLASSES];
 /* Intrinsic is vectorized and should read 4 components regardless of writemask */
 #define BI_VECTOR (1 << 8)
 
+/* Use a data register for src0/dest respectively, bypassing the usual
+ * register accessor. Mutually exclusive. */
+#define BI_DATA_REG_SRC (1 << 9)
+#define BI_DATA_REG_DEST (1 << 10)
+
 /* It can't get any worse than csel4... can it? */
 #define BIR_SRC_COUNT 4
 
@@ -302,12 +307,18 @@ typedef struct {
         bool back_to_back;
         bool branch_conditional;
 
+        /* Assigned data register */
+        unsigned data_register;
+
         /* Corresponds to the usual bit but shifted by a clause */
         bool data_register_write_barrier;
 
         /* Constants read by this clause. ISA limit. */
         uint64_t constants[8];
         unsigned constant_count;
+
+        /* What type of high latency instruction is here, basically */
+        unsigned clause_type;
 } bi_clause;
 
 typedef struct bi_block {
@@ -371,17 +382,19 @@ bi_remove_instruction(bi_instruction *ins)
  *  Uniform: access a uniform register given by low bits.
  *  Constant: access the specified constant 
  *  Zero: special cased to avoid wasting a constant
+ *  Passthrough: a bifrost_packed_src to passthrough T/T0/T1
  */
 
 #define BIR_INDEX_REGISTER (1 << 31)
 #define BIR_INDEX_UNIFORM  (1 << 30)
 #define BIR_INDEX_CONSTANT (1 << 29)
 #define BIR_INDEX_ZERO     (1 << 28)
+#define BIR_INDEX_PASS     (1 << 27)
 
 /* Keep me synced please so we can check src & BIR_SPECIAL */
 
 #define BIR_SPECIAL        ((BIR_INDEX_REGISTER | BIR_INDEX_UNIFORM) | \
-        (BIR_INDEX_CONSTANT | BIR_INDEX_ZERO))
+        (BIR_INDEX_CONSTANT | BIR_INDEX_ZERO | BIR_INDEX_PASS))
 
 static inline unsigned
 bi_max_temp(bi_context *ctx)