config.gcc (epiphany-*-*): New architecture.

gcc:
        * config.gcc (epiphany-*-*): New architecture.
        (epiphany-*-elf): New configuration.
        * config/epiphany, common/config/epiphany : New directories.
        * doc/extend.texi (disinterrupt attribute): Add Epiphany.
        (interrupt attribute): Add Epiphany.
        (long_call, short_call attribute): Add Epiphany.
        * doc/invoke.texi (Options): Add Epiphany options.
        * doc/md.texi (Machine Constraints): Add Epiphany constraints.
        * doc/install.texi (Options specification):
        Add --with-stack-offset=@var{num} description.
        (host/target specific issues): Add epiphany-*-elf.
        * doc/contrib.texi (Contributors): Mention Epiphany port.
gcc/testsuite:
        * gcc.c-torture/execute/ieee/mul-subnormal-single-1.x:
        Disable test on Epiphany.
        * gcc.c-torture/execute/20101011-1.c: Disable test on Epiphany.
        * gcc.dg/stack-usage-1.c [__epiphany__] (SIZE): Define.
        * gcc.dg/pragma-pack-3.c: Disable test on Epiphany.
        * g++.dg/parse/pragma3.C: Likewise.
        * stackalign/builtin-apply-2.c (STACK_ARGUMENTS_SIZE): Define.
        (bar): Use it.
        * gcc.dg/weak/typeof-2.c [epiphany-*-*]: Add option -mshort-calls.
        * gcc.dg/tls/thr-cse-1.c: Likewise.
        * g++.dg/opt/devirt2.C: Likewise.
        * gcc.dg/20020312-2.c [epiphany-*-*] (PIC_REG): Define.
        * gcc.dg/builtin-apply2.c [__epiphany__]: (STACK_ARGUMENTS_SIZE): 20.
        * gcc.target/epiphany: New directory.
libgcc:
        * config.host (epiphany-*-elf*): New configuration.
        * config/epiphany: New Directory.
contrib:
        * contrib-list.mk: Add Epiphany configurations.

From-SVN: r181016

1 files changed, 55 insertions, 0 deletions

diff --git a/gcc/config/epiphany/epiphany-protos.h b/gcc/config/epiphany/epiphany-protos.h
new file mode 100755
index 00000000000..334c5337f7c
--- /dev/null
+++ b/gcc/config/epiphany/epiphany-protos.h
@@ -0,0 +1,55 @@
+/* Definitions of target machine for GNU compiler, EPIPHANY cpu.
+   Copyright (C) 2000, 2004, 2007, 2009, 2011 Free Software Foundation, Inc.
+   Contributed by Embecosm on behalf of Adapteva, 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/>.  */
+
+#ifdef RTX_CODE
+extern enum machine_mode epiphany_select_cc_mode (enum rtx_code, rtx, rtx);
+
+/* Define the function that build the compare insn for scc and bcc.  */
+extern struct rtx_def *gen_compare_reg (enum machine_mode, enum rtx_code,
+					enum machine_mode, rtx, rtx);
+#endif
+
+/* Declarations for various fns used in the .md file.  */
+extern void epiphany_final_prescan_insn (rtx, rtx *, int);
+extern bool epiphany_is_long_call_p (rtx);
+extern bool epiphany_small16 (rtx);
+bool epiphany_uninterruptible_p (tree decl);
+bool epiphany_call_uninterruptible_p (rtx mem);
+extern rtx sfunc_symbol (const char *name);
+
+extern void epiphany_expand_prologue (void);
+extern void epiphany_expand_epilogue (int);
+extern int epiphany_initial_elimination_offset (int, int);
+extern void epiphany_init_expanders (void);
+extern int hard_regno_mode_ok (int regno, enum machine_mode mode);
+#ifdef HARD_CONST
+extern void emit_set_fp_mode (int entity, int mode, HARD_REG_SET regs_live);
+#endif
+extern void epiphany_insert_mode_switch_use (rtx insn, int, int);
+extern void epiphany_expand_set_fp_mode (rtx *operands);
+extern int epiphany_mode_needed (int entity, rtx insn);
+extern int epiphany_mode_entry_exit (int entity, bool);
+extern int epiphany_mode_after (int entity, int last_mode, rtx insn);
+extern int epiphany_mode_priority_to_mode (int entity, unsigned priority);
+extern bool epiphany_epilogue_uses (int regno);
+extern bool epiphany_optimize_mode_switching (int entity);
+extern bool epiphany_is_interrupt_p (tree);
+extern unsigned epiphany_special_round_type_align (tree, unsigned, unsigned);
+extern unsigned epiphany_adjust_field_align (tree, unsigned);