1 files changed, 89 insertions, 0 deletions
diff --git a/gcc/config/loongarch/loongarch-evolution.h b/gcc/config/loongarch/loongarch-evolution.h
new file mode 100644
index 00000000000..7e8e602c70c
--- /dev/null
+++ b/gcc/config/loongarch/loongarch-evolution.h
@@ -0,0 +1,89 @@
+/* Generated automatically by "genstr" from "isa-evolution.in".
+   Please do not edit this file directly.
+
+   Copyright (C) 2023-2024 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.
+*/
+
+#ifndef LOONGARCH_EVOLUTION_H
+#define LOONGARCH_EVOLUTION_H
+
+#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)
+
+#include "options.h"
+
+static constexpr struct {
+  int cpucfg_word;
+  unsigned int cpucfg_bit;
+  HOST_WIDE_INT isa_evolution_bit;
+} cpucfg_map[] = {
+  { 2, 1u << 25, OPTION_MASK_ISA_FRECIPE },
+  { 2, 1u << 26, OPTION_MASK_ISA_DIV32 },
+  { 2, 1u << 27, OPTION_MASK_ISA_LAM_BH },
+  { 2, 1u << 28, OPTION_MASK_ISA_LAMCAS },
+  { 3, 1u << 23, OPTION_MASK_ISA_LD_SEQ_SA },
+};
+
+static constexpr int cpucfg_useful_idx[] = {
+  0,
+  1,
+  2,
+  3,
+  16,
+  17,
+  18,
+  19,
+};
+
+static constexpr int N_CPUCFG_WORDS = 20;
+
+/* ISA evolution features */
+enum {
+  EVO_FRECIPE = 0,
+  EVO_DIV32 = 1,
+  EVO_LAM_BH = 2,
+  EVO_LAMCAS = 3,
+  EVO_LD_SEQ_SA = 4,
+  N_EVO_FEATURES = 5
+};
+
+/* Condition macros */
+#define ISA_HAS_FRECIPE \
+  (la_target.isa.evolution & OPTION_MASK_ISA_FRECIPE)
+#define ISA_HAS_DIV32 \
+  (la_target.isa.evolution & OPTION_MASK_ISA_DIV32)
+#define ISA_HAS_LAM_BH \
+  (la_target.isa.evolution & OPTION_MASK_ISA_LAM_BH)
+#define ISA_HAS_LAMCAS \
+  (la_target.isa.evolution & OPTION_MASK_ISA_LAMCAS)
+#define ISA_HAS_LD_SEQ_SA \
+  (la_target.isa.evolution & OPTION_MASK_ISA_LD_SEQ_SA)
+
+/* Bitmasks on la_target.isa.evolution.  */
+extern int la_evo_feature_masks[N_EVO_FEATURES];
+
+/* Builtin macro names for the evolution features.  */
+extern const char* la_evo_macro_name[N_EVO_FEATURES];
+
+/* The ISA version where a specific feature is introduced.  */
+extern int la_evo_version_major[N_EVO_FEATURES];
+extern int la_evo_version_minor[N_EVO_FEATURES];
+
+#endif
+
+#endif /* LOONGARCH_EVOLUTION_H */