pan/bi: Add pcrel_idx to bi_clause

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8354>

src/panfrost/bifrost/bi_print.c

@@ -101,6 +101,9 @@ bi_print_clause(bi_clause *clause, FILE *fp)
         if (clause->staging_barrier)
                 fprintf(fp, " osrb");
 
+        if (clause->pcrel_idx != ~0)
+                fprintf(fp, " pcrel(%u)", clause->pcrel_idx);
+
         fprintf(fp, "\n");
 
         for (unsigned i = 0; i < clause->tuple_count; ++i)

src/panfrost/bifrost/compiler.h

@@ -455,6 +455,9 @@ typedef struct {
         uint64_t constants[8];
         unsigned constant_count;
 
+        /* Index of a constant to be PC-relative */
+        unsigned pcrel_idx;
+
         /* Branches encode a constant offset relative to the program counter
          * with some magic flags. By convention, if there is a branch, its
          * constant will be last. Set this flag to indicate this is required.