1 files changed, 11 insertions, 0 deletions
diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index 02acbfc9d73..76a511c2d4f 100644
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -718,6 +718,17 @@ extern const nir_op_info nir_op_infos[nir_num_opcodes];
 typedef struct nir_alu_instr {
    nir_instr instr;
    nir_op op;
+
+   /** Indicates that this ALU instruction generates an exact value
+    *
+    * This is kind of a mixture of GLSL "precise" and "invariant" and not
+    * really equivalent to either.  This indicates that the value generated by
+    * this operation is high-precision and any code transformations that touch
+    * it must ensure that the resulting value is bit-for-bit identical to the
+    * original.
+    */
+   bool exact;
+
    nir_alu_dest dest;
    nir_alu_src src[];
 } nir_alu_instr;