FT32 target added. Approved by Jeff Law [law@redhat.com]

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@223261 138bc75d-0d04-0410-961f-82ee72b054a4

ChangeLog

@@ -1,3 +1,14 @@
+2015-05-16  James Bowman  <james.bowman@ftdichip.com>
+
+	* configure.ac: FT32 target added.
+	* libgcc/config.host: FT32 target added.
+	* gcc/config/ft32/: FT32 target added.
+	* libgcc/config/ft32/: FT32 target added.
+	* gcc/doc/install.texi, invoke.texi, md.texi: FT32 details added.
+	* gcc/doc/contrib.texi: self added.
+	* contrib/config-list.mk: FT32 target added.
+	* configure: Regenerated.
+
 2015-05-16  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	* MAINTAINERS (Write After Approval): Add myself.

configure

@@ -3363,6 +3363,9 @@ if test "${ENABLE_LIBSTDCXX}" = "default" ; then
     avr-*-*)
       noconfigdirs="$noconfigdirs target-libstdc++-v3"
       ;;
+    ft32-*-*)
+      noconfigdirs="$noconfigdirs target-libstdc++-v3"
+      ;;
   esac
 fi
 

configure.ac

@@ -710,6 +710,9 @@ if test "${ENABLE_LIBSTDCXX}" = "default" ; then
     avr-*-*)
       noconfigdirs="$noconfigdirs target-libstdc++-v3"
       ;;
+    ft32-*-*)
+      noconfigdirs="$noconfigdirs target-libstdc++-v3"
+      ;;
   esac
 fi
 

contrib/config-list.mk

@@ -22,7 +22,7 @@ LIST = aarch64-elf aarch64-linux-gnu \
   bfin-elf bfin-uclinux bfin-linux-uclibc bfin-rtems bfin-openbsd \
   c6x-elf c6x-uclinux cr16-elf cris-elf cris-linux crisv32-elf crisv32-linux \
   epiphany-elf epiphany-elfOPT-with-stack-offset=16 fido-elf \
-  fr30-elf frv-elf frv-linux h8300-elf h8300-rtems hppa-linux-gnu \
+  fr30-elf frv-elf frv-linux ft32-elf h8300-elf h8300-rtems hppa-linux-gnu \
   hppa-linux-gnuOPT-enable-sjlj-exceptions=yes hppa64-linux-gnu \
   hppa2.0-hpux10.1 hppa64-hpux11.3 \
   hppa64-hpux11.0OPT-enable-sjlj-exceptions=yes hppa2.0-hpux11.9 \

gcc/config.gcc

@@ -340,6 +340,9 @@ crisv32-*)
 frv*)	cpu_type=frv
 	extra_options="${extra_options} g.opt"
 	;;
+ft32*)	cpu_type=ft32
+	target_has_targetm_common=no
+	;;
 moxie*)	cpu_type=moxie
 	target_has_targetm_common=no
 	;;
@@ -1194,6 +1197,12 @@ frv-*-*linux*)
 	         gnu-user.h linux.h glibc-stdint.h frv/linux.h"
 	tmake_file="${tmake_file} frv/t-frv frv/t-linux"
 	;;
+ft32-*-elf)
+	gas=yes
+	gnu_ld=yes
+	tm_file="dbxelf.h elfos.h newlib-stdint.h ${tm_file}"
+	tmake_file="${tmake_file} ft32/t-ft32"
+	;;
 moxie-*-elf)
 	gas=yes
 	gnu_ld=yes

gcc/config/ft32/constraints.md

@@ -0,0 +1,113 @@
+;; Constraint definitions for FT32
+;; Copyright (C) 2015 Free Software Foundation, Inc.
+;; Contributed by FTDI <support@ftdi.com>
+
+;; 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/>.
+
+;; -------------------------------------------------------------------------
+;; Constraints
+;; -------------------------------------------------------------------------
+
+(define_memory_constraint "A"
+  "An absolute address."
+  (and (match_code "mem")
+       (match_test "(!ft32_is_mem_pm(op))")
+       (ior (match_test "GET_CODE (XEXP (op, 0)) == SYMBOL_REF")
+            (match_test "GET_CODE (XEXP (op, 0)) == LABEL_REF")
+            (match_test "GET_CODE (XEXP (op, 0)) == CONST_INT")
+            (and (match_test "(GET_CODE (XEXP (op, 0)) == PLUS)")
+                 (ior (match_test "GET_CODE (XEXP (XEXP (op, 0), 0)) == SYMBOL_REF")
+                      (match_test "GET_CODE (XEXP (XEXP (op, 0), 0)) == LABEL_REF")
+                      (match_test "GET_CODE (XEXP (XEXP (op, 0), 0)) == CONST_INT"))
+                 (ior (match_test "GET_CODE (XEXP (XEXP (op, 0), 1)) == SYMBOL_REF")
+                      (match_test "GET_CODE (XEXP (XEXP (op, 0), 1)) == LABEL_REF")
+                      (match_test "GET_CODE (XEXP (XEXP (op, 0), 1)) == CONST_INT"))))))
+
+(define_memory_constraint "B"
+  "An offset address."
+  (and (match_code "mem")
+       (match_test "(!ft32_is_mem_pm(op))")
+       (match_test "(GET_CODE (XEXP (op, 0)) == PLUS)")))
+
+(define_memory_constraint "W"
+  "A register indirect memory operand."
+  (and (match_code "mem")
+       (match_test "!ft32_is_mem_pm(op)
+        && REG_P (XEXP (op, 0))
+		    && REGNO_OK_FOR_BASE_P (REGNO (XEXP (op, 0)))")))
+
+(define_memory_constraint "e"
+  "An offset address."
+  (and (match_code "mem")
+       (match_test "ft32_is_mem_pm(op) && (
+          (GET_CODE (XEXP (op, 0)) == SYMBOL_REF) ||
+          (GET_CODE (XEXP (op, 0)) == LABEL_REF) ||
+          (GET_CODE (XEXP (op, 0)) == CONST_INT) ||
+          (GET_CODE (XEXP (op, 0)) == CONST))"
+       )))
+
+(define_memory_constraint "f"
+  "An offset address."
+  (and (match_code "mem")
+       (match_test "ft32_is_mem_pm(op) && (
+          ((GET_CODE (XEXP (op, 0)) == PLUS)) ||
+          (GET_CODE (XEXP (op, 0)) == REG))"
+       )))
+
+(define_constraint "O"
+  "The constant zero or one"
+  (and (match_code "const_int")
+       (match_test "((ival == 0) || (ival == 1))")))
+
+(define_constraint "I"
+  "A 16-bit signed constant (-32768..32767)"
+  (and (match_code "const_int")
+       (match_test "ival >= -32768 && ival <= 32767")))
+
+(define_constraint "w"
+  "A bitfield mask suitable for bext or bins"
+  (and (match_code "const_int")
+       (match_test "ft32_as_bitfield(ival) != -1")))
+
+(define_constraint "x"
+  "An inverted bitfield mask suitable for bext or bins"
+  (and (match_code "const_int")
+       (match_test "ft32_as_bitfield(0xffffffff ^ ival) != -1")))
+
+(define_constraint "L"
+  "A 16-bit unsigned constant, multiple of 4 (-65532..0)"
+  (and (match_code "const_int")
+       (match_test "-65532 <= ival && ival <= 0 && (ival & 3) == 0")))
+
+(define_constraint "S"
+  "A 20-bit signed constant (-524288..524287)"
+  (ior
+    (and (match_code "const_int")
+         (match_test "ival >= -524288 && ival <= 524287"))
+    (match_test "GET_CODE (op) == LABEL_REF")
+    (match_test "GET_CODE (op) == SYMBOL_REF")
+    (match_test "GET_CODE (op) == CONST")))
+
+(define_constraint "b"
+  "A constant for a bitfield width (1..16)"
+  (and (match_code "const_int")
+       (match_test "1 <= ival && ival <= 16")))
+
+(define_constraint "KA"
+  "A 10-bit signed constant (-512..511)"
+  (and (match_code "const_int")
+       (match_test "-512 <= ival && ival <= 511")))

gcc/config/ft32/ft32-protos.h

@@ -0,0 +1,26 @@
+/* Prototypes for ft32.c functions used in the md file & elsewhere.
+   Copyright (C) 2015 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/>.  */
+
+extern void        ft32_expand_prologue (void);
+extern void        ft32_expand_epilogue (void);
+extern int         ft32_initial_elimination_offset (int, int);
+extern void        ft32_print_operand (FILE *, rtx, int);
+extern void        ft32_print_operand_address (FILE *, rtx);
+extern const char* ft32_load_immediate(rtx, int32_t i);
+extern int         ft32_as_bitfield(unsigned int x);