nir: Move compute system value lowering to a separate pass

[mesa.git] / src / freedreno / ir3 / ir3_ra.h

diff --git a/src/freedreno/ir3/ir3_ra.h b/src/freedreno/ir3/ir3_ra.h
index 7acfdd0443d88dc05d35ef72b1ebd9268ab0a2d4..d26f5b38966e5a2a60de6dedd2c8294451d850ee 100644 (file)
--- a/src/freedreno/ir3/ir3_ra.h
+++ b/src/freedreno/ir3/ir3_ra.h
@@ -27,6 +27,8 @@
 #ifndef IR3_RA_H_
 #define IR3_RA_H_
 
+#include <setjmp.h>
+
 #include "util/bitset.h"
 
 
@@ -89,6 +91,14 @@ struct ir3_ra_reg_set {
        unsigned int half_classes[half_class_count];
        unsigned int high_classes[high_class_count];
 
+       /* pre-fetched tex dst is limited, on current gens to regs
+        * 0x3f and below.  An additional register class, with one
+        * vreg, that is setup to conflict with any regs above that
+        * limit.
+        */
+       unsigned prefetch_exclude_class;
+       unsigned prefetch_exclude_reg;
+
        /* The virtual register space flattens out all the classes,
         * starting with full, followed by half and then high, ie:
         *
@@ -145,7 +155,8 @@ struct ir3_ra_ctx {
 
        unsigned alloc_count;
        unsigned r0_xyz_nodes; /* ra node numbers for r0.[xyz] precolors */
-       unsigned hr0_xyz_nodes; /* ra node numbers for hr0.[xyz] precolors pre-a6xx */
+       unsigned hr0_xyz_nodes; /* ra node numbers for hr0.[xyz] precolors */
+       unsigned prefetch_exclude_node;
        /* one per class, plus one slot for arrays: */
        unsigned class_alloc_count[total_class_count + 1];
        unsigned class_base[total_class_count + 1];
@@ -171,8 +182,19 @@ struct ir3_ra_ctx {
         */
        unsigned namebuf[NUM_REGS];
        unsigned namecnt, nameidx;
+
+       /* Error handling: */
+       jmp_buf jmp_env;
 };
 
+#define ra_assert(ctx, expr) do { \
+               if (!(expr)) { \
+                       _debug_printf("RA: %s:%u: %s: Assertion `%s' failed.\n", __FILE__, __LINE__, __func__, #expr); \
+                       longjmp((ctx)->jmp_env, -1); \
+               } \
+       } while (0)
+#define ra_unreachable(ctx, str) ra_assert(ctx, !str)
+
 static inline int
 ra_name(struct ir3_ra_ctx *ctx, struct ir3_ra_instr_data *id)
 {
@@ -308,7 +330,6 @@ __ra_init_use_itr(struct ir3_ra_ctx *ctx, struct ir3_instruction *instr)
 
        ctx->namecnt = ctx->nameidx = 0;
 
-       struct ir3_register *reg;
        foreach_src (reg, instr) {
                if (reg->flags & IR3_REG_ARRAY) {
                        struct ir3_array *arr =