Merge "[4.9] Adjust several costs for AArch64."

1 files changed, 13 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/config/aarch64/aarch64-protos.h b/gcc-4.9/gcc/config/aarch64/aarch64-protos.h
index 8b0a70538..e78348ea0 100644
--- a/gcc-4.9/gcc/config/aarch64/aarch64-protos.h
+++ b/gcc-4.9/gcc/config/aarch64/aarch64-protos.h
@@ -108,9 +108,22 @@ enum aarch64_symbol_type
    cost models and vectors for address cost calculations, register
    move costs and memory move costs.  */
 
+/* Scaled addressing modes can vary cost depending on the mode of the
+   value to be loaded/stored.  QImode values cannot use scaled
+   addressing modes.  */
+
+struct scale_addr_mode_cost
+{
+  const int hi;
+  const int si;
+  const int di;
+  const int ti;
+};
+
 /* Additional cost for addresses.  */
 struct cpu_addrcost_table
 {
+  const struct scale_addr_mode_cost addr_scale_costs;
   const int pre_modify;
   const int post_modify;
   const int register_offset;