[PATCH 1/2] RISC-V:Add intrinsic support for the CMOs extensions

gcc/ChangeLog:

	* config.gcc: Add riscv_cmo.h.
	* config/riscv/riscv_cmo.h: New file.

diff --git a/gcc/config.gcc b/gcc/config.gcc
index fd848228722896d052f75e83a1e9865cbae9e5cb..e2ed3b309cc280a17631673fae1cc18206bff094 100644 (file)
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -558,7 +558,7 @@ riscv*)
        extra_objs="${extra_objs} riscv-vector-builtins.o riscv-vector-builtins-shapes.o riscv-vector-builtins-bases.o"
        extra_objs="${extra_objs} thead.o riscv-target-attr.o"
        d_target_objs="riscv-d.o"
-       extra_headers="riscv_vector.h riscv_crypto.h riscv_bitmanip.h riscv_th_vector.h"
+       extra_headers="riscv_vector.h riscv_crypto.h riscv_bitmanip.h riscv_th_vector.h riscv_cmo.h"
        target_gtfiles="$target_gtfiles \$(srcdir)/config/riscv/riscv-vector-builtins.cc"
        target_gtfiles="$target_gtfiles \$(srcdir)/config/riscv/riscv-vector-builtins.h"
        ;;

diff --git a/gcc/config/riscv/riscv_cmo.h b/gcc/config/riscv/riscv_cmo.h
new file mode 100644 (file)
index 0000000..3514fd3
--- /dev/null
+++ b/gcc/config/riscv/riscv_cmo.h
@@ -0,0 +1,84 @@
+/* RISC-V CMO Extension intrinsics include file.
+   Copyright (C) 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.
+
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef __RISCV_CMO_H
+#define __RISCV_CMO_H
+
+#if defined (__riscv_zicbom)
+
+extern __inline void
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+__riscv_cmo_clean (void *addr)
+{
+    __builtin_riscv_zicbom_cbo_clean (addr);
+}
+
+extern __inline void
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+__riscv_cmo_flush (void *addr)
+{
+    __builtin_riscv_zicbom_cbo_flush (addr);
+}
+
+extern __inline void
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+__riscv_cmo_inval (void *addr)
+{
+    __builtin_riscv_zicbom_cbo_inval (addr);
+}
+
+#endif // __riscv_zicbom
+
+#if defined (__riscv_zicbop)
+
+# define rnum 1
+
+extern __inline void
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+__riscv_cmo_prefetch (void *addr, const int vs1, const int vs2)
+{
+    __builtin_prefetch (addr,vs1,vs2);
+}
+
+extern __inline int
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+__riscv_cmo_prefetchi ()
+{
+    return __builtin_riscv_zicbop_cbo_prefetchi (rnum);
+}
+
+#endif // __riscv_zicbop
+
+#if defined (__riscv_zicboz)
+
+extern __inline void
+__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
+__riscv_cmo_zero (void *addr)
+{
+    __builtin_riscv_zicboz_cbo_zero (addr);
+}
+
+#endif // __riscv_zicboz
+
+#endif // __RISCV_CMO_H