/* Xstormy16 cpu description.
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/* Xstormy16 cpu description.
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Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007
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Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Contributed by Red Hat, Inc.
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Contributed by Red Hat, Inc.
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This file is part of GCC.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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any later version.
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GCC is distributed in the hope that it will be useful,
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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/* Driver configuration */
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/* Driver configuration */
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/* Defined in svr4.h. */
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/* Defined in svr4.h. */
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#undef ASM_SPEC
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#undef ASM_SPEC
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#define ASM_SPEC ""
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#define ASM_SPEC ""
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/* For xstormy16:
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/* For xstormy16:
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- If -msim is specified, everything is built and linked as for the sim.
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- If -msim is specified, everything is built and linked as for the sim.
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- If -T is specified, that linker script is used, and it should provide
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- If -T is specified, that linker script is used, and it should provide
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appropriate libraries.
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appropriate libraries.
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- If neither is specified, everything is built as for the sim, but no
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- If neither is specified, everything is built as for the sim, but no
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I/O support is assumed.
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I/O support is assumed.
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*/
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*/
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#undef LIB_SPEC
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#undef LIB_SPEC
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#define LIB_SPEC "-( -lc %{msim:-lsim}%{!msim:%{!T*:-lnosys}} -)"
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#define LIB_SPEC "-( -lc %{msim:-lsim}%{!msim:%{!T*:-lnosys}} -)"
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/* Defined in svr4.h. */
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/* Defined in svr4.h. */
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#undef STARTFILE_SPEC
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC "crt0.o%s crti.o%s crtbegin.o%s"
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#define STARTFILE_SPEC "crt0.o%s crti.o%s crtbegin.o%s"
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/* Defined in svr4.h. */
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/* Defined in svr4.h. */
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#undef ENDFILE_SPEC
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC "crtend.o%s crtn.o%s"
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#define ENDFILE_SPEC "crtend.o%s crtn.o%s"
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/* Defined in svr4.h for host compilers. */
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/* Defined in svr4.h for host compilers. */
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/* #define MD_EXEC_PREFIX "" */
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/* #define MD_EXEC_PREFIX "" */
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/* Defined in svr4.h for host compilers. */
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/* Defined in svr4.h for host compilers. */
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/* #define MD_STARTFILE_PREFIX "" */
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/* #define MD_STARTFILE_PREFIX "" */
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/* Run-time target specifications */
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/* Run-time target specifications */
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#define TARGET_CPU_CPP_BUILTINS() do { \
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#define TARGET_CPU_CPP_BUILTINS() do { \
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builtin_define_std ("xstormy16"); \
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builtin_define_std ("xstormy16"); \
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builtin_assert ("machine=xstormy16"); \
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builtin_assert ("machine=xstormy16"); \
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builtin_assert ("cpu=xstormy16"); \
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builtin_assert ("cpu=xstormy16"); \
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} while (0)
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} while (0)
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#define TARGET_VERSION fprintf (stderr, " (xstormy16 cpu core)");
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#define TARGET_VERSION fprintf (stderr, " (xstormy16 cpu core)");
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#define CAN_DEBUG_WITHOUT_FP
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#define CAN_DEBUG_WITHOUT_FP
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/* Storage Layout */
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/* Storage Layout */
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#define BITS_BIG_ENDIAN 1
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#define BITS_BIG_ENDIAN 1
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#define BYTES_BIG_ENDIAN 0
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#define BYTES_BIG_ENDIAN 0
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#define WORDS_BIG_ENDIAN 0
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#define WORDS_BIG_ENDIAN 0
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#define UNITS_PER_WORD 2
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#define UNITS_PER_WORD 2
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#define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE) \
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#define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE) \
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do { \
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do { \
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if (GET_MODE_CLASS (MODE) == MODE_INT \
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if (GET_MODE_CLASS (MODE) == MODE_INT \
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&& GET_MODE_SIZE (MODE) < 2) \
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&& GET_MODE_SIZE (MODE) < 2) \
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(MODE) = HImode; \
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(MODE) = HImode; \
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} while (0)
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} while (0)
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#define PARM_BOUNDARY 16
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#define PARM_BOUNDARY 16
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#define STACK_BOUNDARY 16
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#define STACK_BOUNDARY 16
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#define FUNCTION_BOUNDARY 16
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#define FUNCTION_BOUNDARY 16
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#define BIGGEST_ALIGNMENT 16
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#define BIGGEST_ALIGNMENT 16
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/* Defined in svr4.h. */
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/* Defined in svr4.h. */
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/* #define MAX_OFILE_ALIGNMENT */
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/* #define MAX_OFILE_ALIGNMENT */
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#define DATA_ALIGNMENT(TYPE, ALIGN) \
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#define DATA_ALIGNMENT(TYPE, ALIGN) \
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(TREE_CODE (TYPE) == ARRAY_TYPE \
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(TREE_CODE (TYPE) == ARRAY_TYPE \
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&& TYPE_MODE (TREE_TYPE (TYPE)) == QImode \
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&& TYPE_MODE (TREE_TYPE (TYPE)) == QImode \
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&& (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))
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&& (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))
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#define CONSTANT_ALIGNMENT(EXP, ALIGN) \
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#define CONSTANT_ALIGNMENT(EXP, ALIGN) \
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(TREE_CODE (EXP) == STRING_CST \
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(TREE_CODE (EXP) == STRING_CST \
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&& (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))
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&& (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN))
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#define STRICT_ALIGNMENT 1
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#define STRICT_ALIGNMENT 1
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/* Defined in svr4.h. */
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/* Defined in svr4.h. */
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#define PCC_BITFIELD_TYPE_MATTERS 1
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#define PCC_BITFIELD_TYPE_MATTERS 1
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/* Layout of Source Language Data Types */
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/* Layout of Source Language Data Types */
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#define INT_TYPE_SIZE 16
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#define INT_TYPE_SIZE 16
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#define SHORT_TYPE_SIZE 16
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#define SHORT_TYPE_SIZE 16
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#define LONG_TYPE_SIZE 32
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#define LONG_TYPE_SIZE 32
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#define LONG_LONG_TYPE_SIZE 64
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#define LONG_LONG_TYPE_SIZE 64
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#define FLOAT_TYPE_SIZE 32
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#define FLOAT_TYPE_SIZE 32
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#define DOUBLE_TYPE_SIZE 64
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#define DOUBLE_TYPE_SIZE 64
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#define LONG_DOUBLE_TYPE_SIZE 64
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#define LONG_DOUBLE_TYPE_SIZE 64
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#define DEFAULT_SIGNED_CHAR 0
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#define DEFAULT_SIGNED_CHAR 0
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/* Defined in svr4.h. */
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/* Defined in svr4.h. */
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#define SIZE_TYPE "unsigned int"
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#define SIZE_TYPE "unsigned int"
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/* Defined in svr4.h. */
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/* Defined in svr4.h. */
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#define PTRDIFF_TYPE "int"
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#define PTRDIFF_TYPE "int"
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/* Defined in svr4.h, to "long int". */
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/* Defined in svr4.h, to "long int". */
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/* #define WCHAR_TYPE "long int" */
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/* #define WCHAR_TYPE "long int" */
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/* Defined in svr4.h. */
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/* Defined in svr4.h. */
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#undef WCHAR_TYPE_SIZE
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE 32
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#define WCHAR_TYPE_SIZE 32
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/* Define this macro if the type of Objective-C selectors should be `int'.
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/* Define this macro if the type of Objective-C selectors should be `int'.
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If this macro is not defined, then selectors should have the type `struct
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If this macro is not defined, then selectors should have the type `struct
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objc_selector *'. */
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objc_selector *'. */
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/* #define OBJC_INT_SELECTORS */
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/* #define OBJC_INT_SELECTORS */
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/* Register Basics */
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/* Register Basics */
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#define FIRST_PSEUDO_REGISTER 19
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#define FIRST_PSEUDO_REGISTER 19
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#define FIXED_REGISTERS \
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#define FIXED_REGISTERS \
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{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1 }
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{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1 }
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#define CALL_USED_REGISTERS \
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#define CALL_USED_REGISTERS \
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{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1 }
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{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1 }
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/* Order of allocation of registers */
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/* Order of allocation of registers */
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#define REG_ALLOC_ORDER { 7, 6, 5, 4, 3, 2, 1, 0, 9, 8, 10, 11, 12, 13, 14, 15, 16 }
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#define REG_ALLOC_ORDER { 7, 6, 5, 4, 3, 2, 1, 0, 9, 8, 10, 11, 12, 13, 14, 15, 16 }
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/* How Values Fit in Registers */
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/* How Values Fit in Registers */
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#define HARD_REGNO_NREGS(REGNO, MODE) \
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#define HARD_REGNO_NREGS(REGNO, MODE) \
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((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
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((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
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#define HARD_REGNO_MODE_OK(REGNO, MODE) ((REGNO) != 16 || (MODE) == BImode)
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#define HARD_REGNO_MODE_OK(REGNO, MODE) ((REGNO) != 16 || (MODE) == BImode)
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/* A C expression that is nonzero if it is desirable to choose register
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/* A C expression that is nonzero if it is desirable to choose register
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allocation so as to avoid move instructions between a value of mode MODE1
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allocation so as to avoid move instructions between a value of mode MODE1
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and a value of mode MODE2.
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and a value of mode MODE2.
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If `HARD_REGNO_MODE_OK (R, MODE1)' and `HARD_REGNO_MODE_OK (R, MODE2)' are
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If `HARD_REGNO_MODE_OK (R, MODE1)' and `HARD_REGNO_MODE_OK (R, MODE2)' are
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ever different for any R, then `MODES_TIEABLE_P (MODE1, MODE2)' must be
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ever different for any R, then `MODES_TIEABLE_P (MODE1, MODE2)' must be
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zero. */
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zero. */
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#define MODES_TIEABLE_P(MODE1, MODE2) ((MODE1) != BImode && (MODE2) != BImode)
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#define MODES_TIEABLE_P(MODE1, MODE2) ((MODE1) != BImode && (MODE2) != BImode)
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/* Register Classes */
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/* Register Classes */
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enum reg_class
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enum reg_class
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{
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{
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NO_REGS,
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NO_REGS,
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R0_REGS,
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R0_REGS,
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R1_REGS,
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R1_REGS,
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TWO_REGS,
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TWO_REGS,
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R2_REGS,
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R2_REGS,
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EIGHT_REGS,
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EIGHT_REGS,
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R8_REGS,
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R8_REGS,
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ICALL_REGS,
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ICALL_REGS,
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GENERAL_REGS,
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GENERAL_REGS,
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CARRY_REGS,
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CARRY_REGS,
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ALL_REGS,
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ALL_REGS,
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LIM_REG_CLASSES
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LIM_REG_CLASSES
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};
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};
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#define N_REG_CLASSES ((int) LIM_REG_CLASSES)
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#define N_REG_CLASSES ((int) LIM_REG_CLASSES)
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#define REG_CLASS_NAMES \
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#define REG_CLASS_NAMES \
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{ \
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{ \
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"NO_REGS", \
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"NO_REGS", \
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"R0_REGS", \
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"R0_REGS", \
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"R1_REGS", \
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"R1_REGS", \
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"TWO_REGS", \
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"TWO_REGS", \
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"R2_REGS", \
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"R2_REGS", \
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"EIGHT_REGS", \
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"EIGHT_REGS", \
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"R8_REGS", \
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"R8_REGS", \
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"ICALL_REGS", \
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"ICALL_REGS", \
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"GENERAL_REGS", \
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"GENERAL_REGS", \
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"CARRY_REGS", \
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"CARRY_REGS", \
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"ALL_REGS" \
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"ALL_REGS" \
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}
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}
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#define REG_CLASS_CONTENTS \
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#define REG_CLASS_CONTENTS \
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{ \
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{ \
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{ 0x00000 }, \
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{ 0x00000 }, \
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{ 0x00001 }, \
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{ 0x00001 }, \
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{ 0x00002 }, \
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{ 0x00002 }, \
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{ 0x00003 }, \
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{ 0x00003 }, \
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{ 0x00004 }, \
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{ 0x00004 }, \
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{ 0x000FF }, \
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{ 0x000FF }, \
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{ 0x00100 }, \
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{ 0x00100 }, \
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{ 0x00300 }, \
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{ 0x00300 }, \
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{ 0x6FFFF }, \
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{ 0x6FFFF }, \
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{ 0x10000 }, \
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{ 0x10000 }, \
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{ (1 << FIRST_PSEUDO_REGISTER) - 1 } \
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{ (1 << FIRST_PSEUDO_REGISTER) - 1 } \
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}
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}
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#define REGNO_REG_CLASS(REGNO) \
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#define REGNO_REG_CLASS(REGNO) \
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((REGNO) == 0 ? R0_REGS \
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((REGNO) == 0 ? R0_REGS \
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: (REGNO) == 1 ? R1_REGS \
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: (REGNO) == 1 ? R1_REGS \
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: (REGNO) == 2 ? R2_REGS \
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: (REGNO) == 2 ? R2_REGS \
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: (REGNO) < 8 ? EIGHT_REGS \
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: (REGNO) < 8 ? EIGHT_REGS \
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: (REGNO) == 8 ? R8_REGS \
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: (REGNO) == 8 ? R8_REGS \
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: (REGNO) == 16 ? CARRY_REGS \
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: (REGNO) == 16 ? CARRY_REGS \
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: (REGNO) <= 18 ? GENERAL_REGS \
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: (REGNO) <= 18 ? GENERAL_REGS \
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: ALL_REGS)
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: ALL_REGS)
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#define BASE_REG_CLASS GENERAL_REGS
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#define BASE_REG_CLASS GENERAL_REGS
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#define INDEX_REG_CLASS GENERAL_REGS
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#define INDEX_REG_CLASS GENERAL_REGS
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/* The following letters are unavailable, due to being used as
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/* The following letters are unavailable, due to being used as
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constraints:
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constraints:
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'0'..'9'
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'0'..'9'
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'<', '>'
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'<', '>'
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'E', 'F', 'G', 'H'
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'E', 'F', 'G', 'H'
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'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P'
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'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P'
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'Q', 'R', 'S', 'T', 'U'
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'Q', 'R', 'S', 'T', 'U'
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'V', 'X'
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'V', 'X'
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'g', 'i', 'm', 'n', 'o', 'p', 'r', 's' */
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'g', 'i', 'm', 'n', 'o', 'p', 'r', 's' */
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#define REG_CLASS_FROM_LETTER(CHAR) \
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#define REG_CLASS_FROM_LETTER(CHAR) \
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( (CHAR) == 'a' ? R0_REGS \
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( (CHAR) == 'a' ? R0_REGS \
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: (CHAR) == 'b' ? R1_REGS \
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: (CHAR) == 'b' ? R1_REGS \
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: (CHAR) == 'c' ? R2_REGS \
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: (CHAR) == 'c' ? R2_REGS \
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: (CHAR) == 'd' ? R8_REGS \
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: (CHAR) == 'd' ? R8_REGS \
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: (CHAR) == 'e' ? EIGHT_REGS \
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: (CHAR) == 'e' ? EIGHT_REGS \
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: (CHAR) == 't' ? TWO_REGS \
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: (CHAR) == 't' ? TWO_REGS \
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: (CHAR) == 'y' ? CARRY_REGS \
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: (CHAR) == 'y' ? CARRY_REGS \
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: (CHAR) == 'z' ? ICALL_REGS \
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: (CHAR) == 'z' ? ICALL_REGS \
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: NO_REGS)
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: NO_REGS)
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#define REGNO_OK_FOR_BASE_P(NUM) 1
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#define REGNO_OK_FOR_BASE_P(NUM) 1
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#define REGNO_OK_FOR_INDEX_P(NUM) REGNO_OK_FOR_BASE_P (NUM)
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#define REGNO_OK_FOR_INDEX_P(NUM) REGNO_OK_FOR_BASE_P (NUM)
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/* This declaration must be present. */
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/* This declaration must be present. */
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#define PREFERRED_RELOAD_CLASS(X, CLASS) \
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#define PREFERRED_RELOAD_CLASS(X, CLASS) \
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xstormy16_preferred_reload_class (X, CLASS)
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xstormy16_preferred_reload_class (X, CLASS)
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#define PREFERRED_OUTPUT_RELOAD_CLASS(X, CLASS) \
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#define PREFERRED_OUTPUT_RELOAD_CLASS(X, CLASS) \
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xstormy16_preferred_reload_class (X, CLASS)
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xstormy16_preferred_reload_class (X, CLASS)
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/* This chip has the interesting property that only the first eight
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/* This chip has the interesting property that only the first eight
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registers can be moved to/from memory. */
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registers can be moved to/from memory. */
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#define SECONDARY_RELOAD_CLASS(CLASS, MODE, X) \
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#define SECONDARY_RELOAD_CLASS(CLASS, MODE, X) \
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xstormy16_secondary_reload_class (CLASS, MODE, X)
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xstormy16_secondary_reload_class (CLASS, MODE, X)
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|
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/* Normally the compiler avoids choosing registers that have been explicitly
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/* Normally the compiler avoids choosing registers that have been explicitly
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mentioned in the rtl as spill registers (these registers are normally those
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mentioned in the rtl as spill registers (these registers are normally those
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used to pass parameters and return values). However, some machines have so
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used to pass parameters and return values). However, some machines have so
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few registers of certain classes that there would not be enough registers to
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few registers of certain classes that there would not be enough registers to
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use as spill registers if this were done.
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use as spill registers if this were done.
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|
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Define `SMALL_REGISTER_CLASSES' to be an expression with a nonzero value on
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Define `SMALL_REGISTER_CLASSES' to be an expression with a nonzero value on
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these machines. When this macro has a nonzero value, the compiler allows
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these machines. When this macro has a nonzero value, the compiler allows
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registers explicitly used in the rtl to be used as spill registers but
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registers explicitly used in the rtl to be used as spill registers but
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avoids extending the lifetime of these registers.
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avoids extending the lifetime of these registers.
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|
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It is always safe to define this macro with a nonzero value, but if you
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It is always safe to define this macro with a nonzero value, but if you
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unnecessarily define it, you will reduce the amount of optimizations that
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unnecessarily define it, you will reduce the amount of optimizations that
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can be performed in some cases. If you do not define this macro with a
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can be performed in some cases. If you do not define this macro with a
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nonzero value when it is required, the compiler will run out of spill
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nonzero value when it is required, the compiler will run out of spill
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registers and print a fatal error message. For most machines, you should
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registers and print a fatal error message. For most machines, you should
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not define this macro at all. */
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not define this macro at all. */
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/* #define SMALL_REGISTER_CLASSES */
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/* #define SMALL_REGISTER_CLASSES */
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|
|
/* This declaration is required. */
|
/* This declaration is required. */
|
#define CLASS_MAX_NREGS(CLASS, MODE) \
|
#define CLASS_MAX_NREGS(CLASS, MODE) \
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((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
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((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
|
|
|
/* If defined, a C expression for a class that contains registers which the
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/* If defined, a C expression for a class that contains registers which the
|
compiler must always access in a mode that is the same size as the mode in
|
compiler must always access in a mode that is the same size as the mode in
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which it loaded the register.
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which it loaded the register.
|
|
|
For the example, loading 32-bit integer or floating-point objects into
|
For the example, loading 32-bit integer or floating-point objects into
|
floating-point registers on the Alpha extends them to 64-bits. Therefore
|
floating-point registers on the Alpha extends them to 64-bits. Therefore
|
loading a 64-bit object and then storing it as a 32-bit object does not
|
loading a 64-bit object and then storing it as a 32-bit object does not
|
store the low-order 32-bits, as would be the case for a normal register.
|
store the low-order 32-bits, as would be the case for a normal register.
|
Therefore, `alpha.h' defines this macro as `FLOAT_REGS'. */
|
Therefore, `alpha.h' defines this macro as `FLOAT_REGS'. */
|
/* #define CLASS_CANNOT_CHANGE_SIZE */
|
/* #define CLASS_CANNOT_CHANGE_SIZE */
|
|
|
#define CONST_OK_FOR_LETTER_P(VALUE, C) \
|
#define CONST_OK_FOR_LETTER_P(VALUE, C) \
|
( (C) == 'I' ? (VALUE) >= 0 && (VALUE) <= 3 \
|
( (C) == 'I' ? (VALUE) >= 0 && (VALUE) <= 3 \
|
: (C) == 'J' ? exact_log2 (VALUE) != -1 \
|
: (C) == 'J' ? exact_log2 (VALUE) != -1 \
|
: (C) == 'K' ? exact_log2 (~(VALUE)) != -1 \
|
: (C) == 'K' ? exact_log2 (~(VALUE)) != -1 \
|
: (C) == 'L' ? (VALUE) >= 0 && (VALUE) <= 255 \
|
: (C) == 'L' ? (VALUE) >= 0 && (VALUE) <= 255 \
|
: (C) == 'M' ? (VALUE) >= -255 && (VALUE) <= 0 \
|
: (C) == 'M' ? (VALUE) >= -255 && (VALUE) <= 0 \
|
: (C) == 'N' ? (VALUE) >= -3 && (VALUE) <= 0 \
|
: (C) == 'N' ? (VALUE) >= -3 && (VALUE) <= 0 \
|
: (C) == 'O' ? (VALUE) >= 1 && (VALUE) <= 4 \
|
: (C) == 'O' ? (VALUE) >= 1 && (VALUE) <= 4 \
|
: (C) == 'P' ? (VALUE) >= -4 && (VALUE) <= -1 \
|
: (C) == 'P' ? (VALUE) >= -4 && (VALUE) <= -1 \
|
: 0 )
|
: 0 )
|
|
|
#define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C) 0
|
#define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C) 0
|
|
|
#define EXTRA_CONSTRAINT(VALUE, C) \
|
#define EXTRA_CONSTRAINT(VALUE, C) \
|
xstormy16_extra_constraint_p (VALUE, C)
|
xstormy16_extra_constraint_p (VALUE, C)
|
|
|
|
|
/* Basic Stack Layout */
|
/* Basic Stack Layout */
|
|
|
/* We want to use post-increment instructions to push things on the stack,
|
/* We want to use post-increment instructions to push things on the stack,
|
because we don't have any pre-increment ones. */
|
because we don't have any pre-increment ones. */
|
#define STACK_PUSH_CODE POST_INC
|
#define STACK_PUSH_CODE POST_INC
|
|
|
#define FRAME_GROWS_DOWNWARD 0
|
#define FRAME_GROWS_DOWNWARD 0
|
|
|
#define ARGS_GROW_DOWNWARD 1
|
#define ARGS_GROW_DOWNWARD 1
|
|
|
#define STARTING_FRAME_OFFSET 0
|
#define STARTING_FRAME_OFFSET 0
|
|
|
#define FIRST_PARM_OFFSET(FUNDECL) 0
|
#define FIRST_PARM_OFFSET(FUNDECL) 0
|
|
|
#define RETURN_ADDR_RTX(COUNT, FRAMEADDR) \
|
#define RETURN_ADDR_RTX(COUNT, FRAMEADDR) \
|
((COUNT) == 0 \
|
((COUNT) == 0 \
|
? gen_rtx_MEM (Pmode, arg_pointer_rtx) \
|
? gen_rtx_MEM (Pmode, arg_pointer_rtx) \
|
: NULL_RTX)
|
: NULL_RTX)
|
|
|
#define INCOMING_RETURN_ADDR_RTX \
|
#define INCOMING_RETURN_ADDR_RTX \
|
gen_rtx_MEM (SImode, gen_rtx_PLUS (Pmode, stack_pointer_rtx, GEN_INT (-4)))
|
gen_rtx_MEM (SImode, gen_rtx_PLUS (Pmode, stack_pointer_rtx, GEN_INT (-4)))
|
|
|
#define INCOMING_FRAME_SP_OFFSET (xstormy16_interrupt_function_p () ? 6 : 4)
|
#define INCOMING_FRAME_SP_OFFSET (xstormy16_interrupt_function_p () ? 6 : 4)
|
|
|
|
|
/* Register That Address the Stack Frame. */
|
/* Register That Address the Stack Frame. */
|
|
|
#define STACK_POINTER_REGNUM 15
|
#define STACK_POINTER_REGNUM 15
|
|
|
#define FRAME_POINTER_REGNUM 17
|
#define FRAME_POINTER_REGNUM 17
|
|
|
#define HARD_FRAME_POINTER_REGNUM 13
|
#define HARD_FRAME_POINTER_REGNUM 13
|
|
|
#define ARG_POINTER_REGNUM 18
|
#define ARG_POINTER_REGNUM 18
|
|
|
#define STATIC_CHAIN_REGNUM 1
|
#define STATIC_CHAIN_REGNUM 1
|
|
|
|
|
/* Eliminating the Frame Pointer and the Arg Pointer */
|
/* Eliminating the Frame Pointer and the Arg Pointer */
|
|
|
#define FRAME_POINTER_REQUIRED 0
|
#define FRAME_POINTER_REQUIRED 0
|
|
|
#define ELIMINABLE_REGS \
|
#define ELIMINABLE_REGS \
|
{ \
|
{ \
|
{FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM}, \
|
{FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM}, \
|
{FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}, \
|
{FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}, \
|
{ARG_POINTER_REGNUM, STACK_POINTER_REGNUM}, \
|
{ARG_POINTER_REGNUM, STACK_POINTER_REGNUM}, \
|
{ARG_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}, \
|
{ARG_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}, \
|
}
|
}
|
|
|
#define CAN_ELIMINATE(FROM, TO) \
|
#define CAN_ELIMINATE(FROM, TO) \
|
((FROM) == ARG_POINTER_REGNUM && (TO) == STACK_POINTER_REGNUM \
|
((FROM) == ARG_POINTER_REGNUM && (TO) == STACK_POINTER_REGNUM \
|
? ! frame_pointer_needed \
|
? ! frame_pointer_needed \
|
: 1)
|
: 1)
|
|
|
#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
|
#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
|
(OFFSET) = xstormy16_initial_elimination_offset (FROM, TO)
|
(OFFSET) = xstormy16_initial_elimination_offset (FROM, TO)
|
|
|
|
|
/* Passing Function Arguments on the Stack */
|
/* Passing Function Arguments on the Stack */
|
|
|
#define PUSH_ROUNDING(BYTES) (((BYTES) + 1) & ~1)
|
#define PUSH_ROUNDING(BYTES) (((BYTES) + 1) & ~1)
|
|
|
#define RETURN_POPS_ARGS(FUNDECL, FUNTYPE, STACK_SIZE) 0
|
#define RETURN_POPS_ARGS(FUNDECL, FUNTYPE, STACK_SIZE) 0
|
|
|
|
|
/* Function Arguments in Registers */
|
/* Function Arguments in Registers */
|
|
|
#define NUM_ARGUMENT_REGISTERS 6
|
#define NUM_ARGUMENT_REGISTERS 6
|
#define FIRST_ARGUMENT_REGISTER 2
|
#define FIRST_ARGUMENT_REGISTER 2
|
|
|
#define XSTORMY16_WORD_SIZE(TYPE, MODE) \
|
#define XSTORMY16_WORD_SIZE(TYPE, MODE) \
|
((((TYPE) ? int_size_in_bytes (TYPE) : GET_MODE_SIZE (MODE)) \
|
((((TYPE) ? int_size_in_bytes (TYPE) : GET_MODE_SIZE (MODE)) \
|
+ 1) \
|
+ 1) \
|
/ 2)
|
/ 2)
|
|
|
#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
|
#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
|
xstormy16_function_arg (CUM, MODE, TYPE, NAMED)
|
xstormy16_function_arg (CUM, MODE, TYPE, NAMED)
|
|
|
/* For this platform, the value of CUMULATIVE_ARGS is the number of words
|
/* For this platform, the value of CUMULATIVE_ARGS is the number of words
|
of arguments that have been passed in registers so far. */
|
of arguments that have been passed in registers so far. */
|
#define CUMULATIVE_ARGS int
|
#define CUMULATIVE_ARGS int
|
|
|
#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT, N_NAMED_ARGS) \
|
#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT, N_NAMED_ARGS) \
|
(CUM) = 0
|
(CUM) = 0
|
|
|
#define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \
|
#define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \
|
((CUM) = xstormy16_function_arg_advance (CUM, MODE, TYPE, NAMED))
|
((CUM) = xstormy16_function_arg_advance (CUM, MODE, TYPE, NAMED))
|
|
|
#define FUNCTION_ARG_REGNO_P(REGNO) \
|
#define FUNCTION_ARG_REGNO_P(REGNO) \
|
((REGNO) >= FIRST_ARGUMENT_REGISTER \
|
((REGNO) >= FIRST_ARGUMENT_REGISTER \
|
&& (REGNO) < FIRST_ARGUMENT_REGISTER + NUM_ARGUMENT_REGISTERS)
|
&& (REGNO) < FIRST_ARGUMENT_REGISTER + NUM_ARGUMENT_REGISTERS)
|
|
|
|
|
/* How Scalar Function Values are Returned */
|
/* How Scalar Function Values are Returned */
|
|
|
/* The number of the hard register that is used to return a scalar value from a
|
/* The number of the hard register that is used to return a scalar value from a
|
function call. */
|
function call. */
|
#define RETURN_VALUE_REGNUM FIRST_ARGUMENT_REGISTER
|
#define RETURN_VALUE_REGNUM FIRST_ARGUMENT_REGISTER
|
|
|
#define FUNCTION_VALUE(VALTYPE, FUNC) \
|
#define FUNCTION_VALUE(VALTYPE, FUNC) \
|
xstormy16_function_value (VALTYPE, FUNC)
|
xstormy16_function_value (VALTYPE, FUNC)
|
|
|
#define LIBCALL_VALUE(MODE) gen_rtx_REG (MODE, RETURN_VALUE_REGNUM)
|
#define LIBCALL_VALUE(MODE) gen_rtx_REG (MODE, RETURN_VALUE_REGNUM)
|
|
|
#define FUNCTION_VALUE_REGNO_P(REGNO) ((REGNO) == RETURN_VALUE_REGNUM)
|
#define FUNCTION_VALUE_REGNO_P(REGNO) ((REGNO) == RETURN_VALUE_REGNUM)
|
|
|
|
|
/* Function Entry and Exit */
|
/* Function Entry and Exit */
|
|
|
#define EPILOGUE_USES(REGNO) \
|
#define EPILOGUE_USES(REGNO) \
|
xstormy16_epilogue_uses (REGNO)
|
xstormy16_epilogue_uses (REGNO)
|
|
|
|
|
/* Generating Code for Profiling. */
|
/* Generating Code for Profiling. */
|
|
|
/* This declaration must be present, but it can be an abort if profiling is
|
/* This declaration must be present, but it can be an abort if profiling is
|
not implemented. */
|
not implemented. */
|
|
|
#define FUNCTION_PROFILER(FILE, LABELNO) xstormy16_function_profiler ()
|
#define FUNCTION_PROFILER(FILE, LABELNO) xstormy16_function_profiler ()
|
|
|
|
|
/* If the target has particular reasons why a function cannot be inlined,
|
/* If the target has particular reasons why a function cannot be inlined,
|
it may define the TARGET_CANNOT_INLINE_P. This macro takes one argument,
|
it may define the TARGET_CANNOT_INLINE_P. This macro takes one argument,
|
the DECL describing the function. The function should NULL if the function
|
the DECL describing the function. The function should NULL if the function
|
*can* be inlined. Otherwise it should return a pointer to a string containing
|
*can* be inlined. Otherwise it should return a pointer to a string containing
|
a message describing why the function could not be inlined. The message will
|
a message describing why the function could not be inlined. The message will
|
displayed if the '-Winline' command line switch has been given. If the message
|
displayed if the '-Winline' command line switch has been given. If the message
|
contains a '%s' sequence, this will be replaced by the name of the function. */
|
contains a '%s' sequence, this will be replaced by the name of the function. */
|
/* #define TARGET_CANNOT_INLINE_P(FN_DECL) xstormy16_cannot_inline_p (FN_DECL) */
|
/* #define TARGET_CANNOT_INLINE_P(FN_DECL) xstormy16_cannot_inline_p (FN_DECL) */
|
|
|
/* Implementing the Varargs Macros. */
|
/* Implementing the Varargs Macros. */
|
|
|
/* Implement the stdarg/varargs va_start macro. STDARG_P is nonzero if this
|
/* Implement the stdarg/varargs va_start macro. STDARG_P is nonzero if this
|
is stdarg.h instead of varargs.h. VALIST is the tree of the va_list
|
is stdarg.h instead of varargs.h. VALIST is the tree of the va_list
|
variable to initialize. NEXTARG is the machine independent notion of the
|
variable to initialize. NEXTARG is the machine independent notion of the
|
'next' argument after the variable arguments. If not defined, a standard
|
'next' argument after the variable arguments. If not defined, a standard
|
implementation will be defined that works for arguments passed on the stack. */
|
implementation will be defined that works for arguments passed on the stack. */
|
#define EXPAND_BUILTIN_VA_START(VALIST, NEXTARG) \
|
#define EXPAND_BUILTIN_VA_START(VALIST, NEXTARG) \
|
xstormy16_expand_builtin_va_start (VALIST, NEXTARG)
|
xstormy16_expand_builtin_va_start (VALIST, NEXTARG)
|
|
|
/* Trampolines for Nested Functions. */
|
/* Trampolines for Nested Functions. */
|
|
|
#define TRAMPOLINE_SIZE 8
|
#define TRAMPOLINE_SIZE 8
|
|
|
#define TRAMPOLINE_ALIGNMENT 16
|
#define TRAMPOLINE_ALIGNMENT 16
|
|
|
#define INITIALIZE_TRAMPOLINE(ADDR, FNADDR, STATIC_CHAIN) \
|
#define INITIALIZE_TRAMPOLINE(ADDR, FNADDR, STATIC_CHAIN) \
|
xstormy16_initialize_trampoline (ADDR, FNADDR, STATIC_CHAIN)
|
xstormy16_initialize_trampoline (ADDR, FNADDR, STATIC_CHAIN)
|
|
|
|
|
/* Define this macro to override the type used by the library routines to pick
|
/* Define this macro to override the type used by the library routines to pick
|
up arguments of type `float'. (By default, they use a union of `float' and
|
up arguments of type `float'. (By default, they use a union of `float' and
|
`int'.)
|
`int'.)
|
|
|
The obvious choice would be `float'--but that won't work with traditional C
|
The obvious choice would be `float'--but that won't work with traditional C
|
compilers that expect all arguments declared as `float' to arrive as
|
compilers that expect all arguments declared as `float' to arrive as
|
`double'. To avoid this conversion, the library routines ask for the value
|
`double'. To avoid this conversion, the library routines ask for the value
|
as some other type and then treat it as a `float'. */
|
as some other type and then treat it as a `float'. */
|
/* #define FLOAT_ARG_TYPE */
|
/* #define FLOAT_ARG_TYPE */
|
|
|
/* Define this macro to override the way library routines redesignate a `float'
|
/* Define this macro to override the way library routines redesignate a `float'
|
argument as a `float' instead of the type it was passed as. The default is
|
argument as a `float' instead of the type it was passed as. The default is
|
an expression which takes the `float' field of the union. */
|
an expression which takes the `float' field of the union. */
|
/* #define FLOATIFY(PASSED_VALUE) */
|
/* #define FLOATIFY(PASSED_VALUE) */
|
|
|
/* Define this macro to override the type used by the library routines to
|
/* Define this macro to override the type used by the library routines to
|
return values that ought to have type `float'. (By default, they use
|
return values that ought to have type `float'. (By default, they use
|
`int'.)
|
`int'.)
|
|
|
The obvious choice would be `float'--but that won't work with traditional C
|
The obvious choice would be `float'--but that won't work with traditional C
|
compilers gratuitously convert values declared as `float' into `double'. */
|
compilers gratuitously convert values declared as `float' into `double'. */
|
/* #define FLOAT_VALUE_TYPE */
|
/* #define FLOAT_VALUE_TYPE */
|
|
|
/* Define this macro to override the way the value of a `float'-returning
|
/* Define this macro to override the way the value of a `float'-returning
|
library routine should be packaged in order to return it. These functions
|
library routine should be packaged in order to return it. These functions
|
are actually declared to return type `FLOAT_VALUE_TYPE' (normally `int').
|
are actually declared to return type `FLOAT_VALUE_TYPE' (normally `int').
|
|
|
These values can't be returned as type `float' because traditional C
|
These values can't be returned as type `float' because traditional C
|
compilers would gratuitously convert the value to a `double'.
|
compilers would gratuitously convert the value to a `double'.
|
|
|
A local variable named `intify' is always available when the macro `INTIFY'
|
A local variable named `intify' is always available when the macro `INTIFY'
|
is used. It is a union of a `float' field named `f' and a field named `i'
|
is used. It is a union of a `float' field named `f' and a field named `i'
|
whose type is `FLOAT_VALUE_TYPE' or `int'.
|
whose type is `FLOAT_VALUE_TYPE' or `int'.
|
|
|
If you don't define this macro, the default definition works by copying the
|
If you don't define this macro, the default definition works by copying the
|
value through that union. */
|
value through that union. */
|
/* #define INTIFY(FLOAT_VALUE) */
|
/* #define INTIFY(FLOAT_VALUE) */
|
|
|
/* Define this macro as the name of the data type corresponding to `SImode' in
|
/* Define this macro as the name of the data type corresponding to `SImode' in
|
the system's own C compiler.
|
the system's own C compiler.
|
|
|
You need not define this macro if that type is `long int', as it usually is. */
|
You need not define this macro if that type is `long int', as it usually is. */
|
/* #define nongcc_SI_type */
|
/* #define nongcc_SI_type */
|
|
|
/* Define this macro as the name of the data type corresponding to the
|
/* Define this macro as the name of the data type corresponding to the
|
word_mode in the system's own C compiler.
|
word_mode in the system's own C compiler.
|
|
|
You need not define this macro if that type is `long int', as it usually is. */
|
You need not define this macro if that type is `long int', as it usually is. */
|
/* #define nongcc_word_type */
|
/* #define nongcc_word_type */
|
|
|
/* Define these macros to supply explicit C statements to carry out various
|
/* Define these macros to supply explicit C statements to carry out various
|
arithmetic operations on types `float' and `double' in the library routines
|
arithmetic operations on types `float' and `double' in the library routines
|
in `libgcc1.c'. See that file for a full list of these macros and their
|
in `libgcc1.c'. See that file for a full list of these macros and their
|
arguments.
|
arguments.
|
|
|
On most machines, you don't need to define any of these macros, because the
|
On most machines, you don't need to define any of these macros, because the
|
C compiler that comes with the system takes care of doing them. */
|
C compiler that comes with the system takes care of doing them. */
|
/* #define perform_... */
|
/* #define perform_... */
|
|
|
|
|
/* Addressing Modes */
|
/* Addressing Modes */
|
|
|
#define HAVE_POST_INCREMENT 1
|
#define HAVE_POST_INCREMENT 1
|
|
|
#define HAVE_PRE_DECREMENT 1
|
#define HAVE_PRE_DECREMENT 1
|
|
|
#define CONSTANT_ADDRESS_P(X) CONSTANT_P (X)
|
#define CONSTANT_ADDRESS_P(X) CONSTANT_P (X)
|
|
|
#define MAX_REGS_PER_ADDRESS 1
|
#define MAX_REGS_PER_ADDRESS 1
|
|
|
#ifdef REG_OK_STRICT
|
#ifdef REG_OK_STRICT
|
#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, LABEL) \
|
#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, LABEL) \
|
do { \
|
do { \
|
if (xstormy16_legitimate_address_p (MODE, X, 1)) \
|
if (xstormy16_legitimate_address_p (MODE, X, 1)) \
|
goto LABEL; \
|
goto LABEL; \
|
} while (0)
|
} while (0)
|
#else
|
#else
|
#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, LABEL) \
|
#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, LABEL) \
|
do { \
|
do { \
|
if (xstormy16_legitimate_address_p (MODE, X, 0)) \
|
if (xstormy16_legitimate_address_p (MODE, X, 0)) \
|
goto LABEL; \
|
goto LABEL; \
|
} while (0)
|
} while (0)
|
#endif
|
#endif
|
|
|
#ifdef REG_OK_STRICT
|
#ifdef REG_OK_STRICT
|
#define REG_OK_FOR_BASE_P(X) \
|
#define REG_OK_FOR_BASE_P(X) \
|
(REGNO_OK_FOR_BASE_P (REGNO (X)) && (REGNO (X) < FIRST_PSEUDO_REGISTER))
|
(REGNO_OK_FOR_BASE_P (REGNO (X)) && (REGNO (X) < FIRST_PSEUDO_REGISTER))
|
#else
|
#else
|
#define REG_OK_FOR_BASE_P(X) REGNO_OK_FOR_BASE_P (REGNO (X))
|
#define REG_OK_FOR_BASE_P(X) REGNO_OK_FOR_BASE_P (REGNO (X))
|
#endif
|
#endif
|
|
|
#define REG_OK_FOR_INDEX_P(X) REG_OK_FOR_BASE_P (X)
|
#define REG_OK_FOR_INDEX_P(X) REG_OK_FOR_BASE_P (X)
|
|
|
/* On this chip, this is true if the address is valid with an offset
|
/* On this chip, this is true if the address is valid with an offset
|
of 0 but not of 6, because in that case it cannot be used as an
|
of 0 but not of 6, because in that case it cannot be used as an
|
address for DImode or DFmode, or if the address is a post-increment
|
address for DImode or DFmode, or if the address is a post-increment
|
or pre-decrement address.
|
or pre-decrement address.
|
*/
|
*/
|
#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR,LABEL) \
|
#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR,LABEL) \
|
if (xstormy16_mode_dependent_address_p (ADDR)) \
|
if (xstormy16_mode_dependent_address_p (ADDR)) \
|
goto LABEL
|
goto LABEL
|
|
|
#define LEGITIMATE_CONSTANT_P(X) 1
|
#define LEGITIMATE_CONSTANT_P(X) 1
|
|
|
|
|
/* Describing Relative Costs of Operations */
|
/* Describing Relative Costs of Operations */
|
|
|
#define REGISTER_MOVE_COST(MODE, FROM, TO) 2
|
#define REGISTER_MOVE_COST(MODE, FROM, TO) 2
|
|
|
#define MEMORY_MOVE_COST(M,C,I) (5 + memory_move_secondary_cost (M, C, I))
|
#define MEMORY_MOVE_COST(M,C,I) (5 + memory_move_secondary_cost (M, C, I))
|
|
|
#define BRANCH_COST 5
|
#define BRANCH_COST 5
|
|
|
#define SLOW_BYTE_ACCESS 0
|
#define SLOW_BYTE_ACCESS 0
|
|
|
#define NO_FUNCTION_CSE
|
#define NO_FUNCTION_CSE
|
|
|
|
|
/* Dividing the output into sections. */
|
/* Dividing the output into sections. */
|
|
|
#define TEXT_SECTION_ASM_OP ".text"
|
#define TEXT_SECTION_ASM_OP ".text"
|
|
|
#define DATA_SECTION_ASM_OP ".data"
|
#define DATA_SECTION_ASM_OP ".data"
|
|
|
#define BSS_SECTION_ASM_OP "\t.section\t.bss"
|
#define BSS_SECTION_ASM_OP "\t.section\t.bss"
|
|
|
/* Define the pseudo-ops used to switch to the .ctors and .dtors sections.
|
/* Define the pseudo-ops used to switch to the .ctors and .dtors sections.
|
There are no shared libraries on this target so these sections need
|
There are no shared libraries on this target so these sections need
|
not be writable.
|
not be writable.
|
|
|
Defined in elfos.h. */
|
Defined in elfos.h. */
|
|
|
#undef CTORS_SECTION_ASM_OP
|
#undef CTORS_SECTION_ASM_OP
|
#undef DTORS_SECTION_ASM_OP
|
#undef DTORS_SECTION_ASM_OP
|
#define CTORS_SECTION_ASM_OP "\t.section\t.ctors,\"a\""
|
#define CTORS_SECTION_ASM_OP "\t.section\t.ctors,\"a\""
|
#define DTORS_SECTION_ASM_OP "\t.section\t.dtors,\"a\""
|
#define DTORS_SECTION_ASM_OP "\t.section\t.dtors,\"a\""
|
|
|
#define TARGET_ASM_INIT_SECTIONS xstormy16_asm_init_sections
|
#define TARGET_ASM_INIT_SECTIONS xstormy16_asm_init_sections
|
|
|
#define JUMP_TABLES_IN_TEXT_SECTION 1
|
#define JUMP_TABLES_IN_TEXT_SECTION 1
|
|
|
/* The Overall Framework of an Assembler File. */
|
/* The Overall Framework of an Assembler File. */
|
|
|
#define ASM_COMMENT_START ";"
|
#define ASM_COMMENT_START ";"
|
|
|
#define ASM_APP_ON "#APP\n"
|
#define ASM_APP_ON "#APP\n"
|
|
|
#define ASM_APP_OFF "#NO_APP\n"
|
#define ASM_APP_OFF "#NO_APP\n"
|
|
|
/* Output of Data. */
|
/* Output of Data. */
|
|
|
#define IS_ASM_LOGICAL_LINE_SEPARATOR(C) ((C) == '|')
|
#define IS_ASM_LOGICAL_LINE_SEPARATOR(C) ((C) == '|')
|
|
|
#define ASM_OUTPUT_ALIGNED_DECL_COMMON(STREAM, DECL, NAME, SIZE, ALIGNMENT) \
|
#define ASM_OUTPUT_ALIGNED_DECL_COMMON(STREAM, DECL, NAME, SIZE, ALIGNMENT) \
|
xstormy16_asm_output_aligned_common (STREAM, DECL, NAME, SIZE, ALIGNMENT, 1)
|
xstormy16_asm_output_aligned_common (STREAM, DECL, NAME, SIZE, ALIGNMENT, 1)
|
#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(STREAM, DECL, NAME, SIZE, ALIGNMENT) \
|
#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(STREAM, DECL, NAME, SIZE, ALIGNMENT) \
|
xstormy16_asm_output_aligned_common (STREAM, DECL, NAME, SIZE, ALIGNMENT, 0)
|
xstormy16_asm_output_aligned_common (STREAM, DECL, NAME, SIZE, ALIGNMENT, 0)
|
|
|
|
|
/* Output and Generation of Labels. */
|
/* Output and Generation of Labels. */
|
#define SYMBOL_FLAG_XSTORMY16_BELOW100 (SYMBOL_FLAG_MACH_DEP << 0)
|
#define SYMBOL_FLAG_XSTORMY16_BELOW100 (SYMBOL_FLAG_MACH_DEP << 0)
|
|
|
#define ASM_OUTPUT_SYMBOL_REF(STREAM, SYMBOL) \
|
#define ASM_OUTPUT_SYMBOL_REF(STREAM, SYMBOL) \
|
do { \
|
do { \
|
const char *rn = XSTR (SYMBOL, 0); \
|
const char *rn = XSTR (SYMBOL, 0); \
|
if (SYMBOL_REF_FUNCTION_P (SYMBOL)) \
|
if (SYMBOL_REF_FUNCTION_P (SYMBOL)) \
|
ASM_OUTPUT_LABEL_REF ((STREAM), rn); \
|
ASM_OUTPUT_LABEL_REF ((STREAM), rn); \
|
else \
|
else \
|
assemble_name (STREAM, rn); \
|
assemble_name (STREAM, rn); \
|
} while (0)
|
} while (0)
|
|
|
#define ASM_OUTPUT_LABEL_REF(STREAM, NAME) \
|
#define ASM_OUTPUT_LABEL_REF(STREAM, NAME) \
|
do { \
|
do { \
|
fputs ("@fptr(", STREAM); \
|
fputs ("@fptr(", STREAM); \
|
assemble_name (STREAM, NAME); \
|
assemble_name (STREAM, NAME); \
|
fputc (')', STREAM); \
|
fputc (')', STREAM); \
|
} while (0)
|
} while (0)
|
|
|
/* Globalizing directive for a label. */
|
/* Globalizing directive for a label. */
|
#define GLOBAL_ASM_OP "\t.globl "
|
#define GLOBAL_ASM_OP "\t.globl "
|
|
|
|
|
/* Macros Controlling Initialization Routines. */
|
/* Macros Controlling Initialization Routines. */
|
|
|
/* When you are using special sections for
|
/* When you are using special sections for
|
initialization and termination functions, this macro also controls how
|
initialization and termination functions, this macro also controls how
|
`crtstuff.c' and `libgcc2.c' arrange to run the initialization functions.
|
`crtstuff.c' and `libgcc2.c' arrange to run the initialization functions.
|
|
|
Defined in svr4.h. */
|
Defined in svr4.h. */
|
/* #define INIT_SECTION_ASM_OP */
|
/* #define INIT_SECTION_ASM_OP */
|
|
|
/* Define this macro as a C statement to output on the stream STREAM the
|
/* Define this macro as a C statement to output on the stream STREAM the
|
assembler code to arrange to call the function named NAME at initialization
|
assembler code to arrange to call the function named NAME at initialization
|
time.
|
time.
|
|
|
Assume that NAME is the name of a C function generated automatically by the
|
Assume that NAME is the name of a C function generated automatically by the
|
compiler. This function takes no arguments. Use the function
|
compiler. This function takes no arguments. Use the function
|
`assemble_name' to output the name NAME; this performs any system-specific
|
`assemble_name' to output the name NAME; this performs any system-specific
|
syntactic transformations such as adding an underscore.
|
syntactic transformations such as adding an underscore.
|
|
|
If you don't define this macro, nothing special is output to arrange to call
|
If you don't define this macro, nothing special is output to arrange to call
|
the function. This is correct when the function will be called in some
|
the function. This is correct when the function will be called in some
|
other manner--for example, by means of the `collect2' program, which looks
|
other manner--for example, by means of the `collect2' program, which looks
|
through the symbol table to find these functions by their names.
|
through the symbol table to find these functions by their names.
|
|
|
Defined in svr4.h. */
|
Defined in svr4.h. */
|
/* #define ASM_OUTPUT_CONSTRUCTOR(STREAM, NAME) */
|
/* #define ASM_OUTPUT_CONSTRUCTOR(STREAM, NAME) */
|
|
|
/* This is like `ASM_OUTPUT_CONSTRUCTOR' but used for termination functions
|
/* This is like `ASM_OUTPUT_CONSTRUCTOR' but used for termination functions
|
rather than initialization functions.
|
rather than initialization functions.
|
|
|
Defined in svr4.h. */
|
Defined in svr4.h. */
|
/* #define ASM_OUTPUT_DESTRUCTOR(STREAM, NAME) */
|
/* #define ASM_OUTPUT_DESTRUCTOR(STREAM, NAME) */
|
|
|
/* Define this macro if the system uses ELF format object files.
|
/* Define this macro if the system uses ELF format object files.
|
|
|
Defined in svr4.h. */
|
Defined in svr4.h. */
|
/* #define OBJECT_FORMAT_ELF */
|
/* #define OBJECT_FORMAT_ELF */
|
|
|
|
|
/* Output of Assembler Instructions. */
|
/* Output of Assembler Instructions. */
|
|
|
#define REGISTER_NAMES \
|
#define REGISTER_NAMES \
|
{ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", \
|
{ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", \
|
"r11", "r12", "r13", "psw", "sp", "carry", "fp", "ap" }
|
"r11", "r12", "r13", "psw", "sp", "carry", "fp", "ap" }
|
|
|
#define ADDITIONAL_REGISTER_NAMES \
|
#define ADDITIONAL_REGISTER_NAMES \
|
{ { "r14", 14 }, \
|
{ { "r14", 14 }, \
|
{ "r15", 15 } }
|
{ "r15", 15 } }
|
|
|
#define PRINT_OPERAND(STREAM, X, CODE) xstormy16_print_operand (STREAM, X, CODE)
|
#define PRINT_OPERAND(STREAM, X, CODE) xstormy16_print_operand (STREAM, X, CODE)
|
|
|
#define PRINT_OPERAND_ADDRESS(STREAM, X) xstormy16_print_operand_address (STREAM, X)
|
#define PRINT_OPERAND_ADDRESS(STREAM, X) xstormy16_print_operand_address (STREAM, X)
|
|
|
/* USER_LABEL_PREFIX is defined in svr4.h. */
|
/* USER_LABEL_PREFIX is defined in svr4.h. */
|
#define REGISTER_PREFIX ""
|
#define REGISTER_PREFIX ""
|
#define LOCAL_LABEL_PREFIX "."
|
#define LOCAL_LABEL_PREFIX "."
|
#define USER_LABEL_PREFIX ""
|
#define USER_LABEL_PREFIX ""
|
#define IMMEDIATE_PREFIX "#"
|
#define IMMEDIATE_PREFIX "#"
|
|
|
#define ASM_OUTPUT_REG_PUSH(STREAM, REGNO) \
|
#define ASM_OUTPUT_REG_PUSH(STREAM, REGNO) \
|
fprintf (STREAM, "\tpush %d\n", REGNO)
|
fprintf (STREAM, "\tpush %d\n", REGNO)
|
|
|
#define ASM_OUTPUT_REG_POP(STREAM, REGNO) \
|
#define ASM_OUTPUT_REG_POP(STREAM, REGNO) \
|
fprintf (STREAM, "\tpop %d\n", REGNO)
|
fprintf (STREAM, "\tpop %d\n", REGNO)
|
|
|
|
|
/* Output of dispatch tables. */
|
/* Output of dispatch tables. */
|
|
|
/* This port does not use the ASM_OUTPUT_ADDR_VEC_ELT macro, because
|
/* This port does not use the ASM_OUTPUT_ADDR_VEC_ELT macro, because
|
this could cause label alignment to appear between the 'br' and the table,
|
this could cause label alignment to appear between the 'br' and the table,
|
which would be bad. Instead, it controls the output of the table
|
which would be bad. Instead, it controls the output of the table
|
itself. */
|
itself. */
|
#define ASM_OUTPUT_ADDR_VEC(LABEL, BODY) \
|
#define ASM_OUTPUT_ADDR_VEC(LABEL, BODY) \
|
xstormy16_output_addr_vec (file, LABEL, BODY)
|
xstormy16_output_addr_vec (file, LABEL, BODY)
|
|
|
/* Alignment for ADDR_VECs is the same as for code. */
|
/* Alignment for ADDR_VECs is the same as for code. */
|
#define ADDR_VEC_ALIGN(ADDR_VEC) 1
|
#define ADDR_VEC_ALIGN(ADDR_VEC) 1
|
|
|
|
|
/* Assembler Commands for Exception Regions. */
|
/* Assembler Commands for Exception Regions. */
|
|
|
#define DWARF2_UNWIND_INFO 0
|
#define DWARF2_UNWIND_INFO 0
|
|
|
/* Don't use __builtin_setjmp for unwinding, since it's tricky to get
|
/* Don't use __builtin_setjmp for unwinding, since it's tricky to get
|
at the high 16 bits of an address. */
|
at the high 16 bits of an address. */
|
#define DONT_USE_BUILTIN_SETJMP
|
#define DONT_USE_BUILTIN_SETJMP
|
#define JMP_BUF_SIZE 8
|
#define JMP_BUF_SIZE 8
|
|
|
/* Assembler Commands for Alignment. */
|
/* Assembler Commands for Alignment. */
|
|
|
#define ASM_OUTPUT_ALIGN(STREAM, POWER) \
|
#define ASM_OUTPUT_ALIGN(STREAM, POWER) \
|
fprintf ((STREAM), "\t.p2align %d\n", (POWER))
|
fprintf ((STREAM), "\t.p2align %d\n", (POWER))
|
|
|
|
|
/* Macros Affecting all Debug Formats. */
|
/* Macros Affecting all Debug Formats. */
|
|
|
/* Defined in svr4.h. */
|
/* Defined in svr4.h. */
|
#undef PREFERRED_DEBUGGING_TYPE
|
#undef PREFERRED_DEBUGGING_TYPE
|
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
|
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
|
|
|
|
|
/* Macros for SDB and Dwarf Output. */
|
/* Macros for SDB and Dwarf Output. */
|
|
|
/* Define this macro if addresses in Dwarf 2 debugging info should not
|
/* Define this macro if addresses in Dwarf 2 debugging info should not
|
be the same size as pointers on the target architecture. The
|
be the same size as pointers on the target architecture. The
|
macro's value should be the size, in bytes, to use for addresses in
|
macro's value should be the size, in bytes, to use for addresses in
|
the debugging info.
|
the debugging info.
|
|
|
Some architectures use word addresses to refer to code locations,
|
Some architectures use word addresses to refer to code locations,
|
but Dwarf 2 info always uses byte addresses. On such machines,
|
but Dwarf 2 info always uses byte addresses. On such machines,
|
Dwarf 2 addresses need to be larger than the architecture's
|
Dwarf 2 addresses need to be larger than the architecture's
|
pointers. */
|
pointers. */
|
#define DWARF2_ADDR_SIZE 4
|
#define DWARF2_ADDR_SIZE 4
|
|
|
|
|
/* Miscellaneous Parameters. */
|
/* Miscellaneous Parameters. */
|
|
|
#define CASE_VECTOR_MODE SImode
|
#define CASE_VECTOR_MODE SImode
|
|
|
#define WORD_REGISTER_OPERATIONS
|
#define WORD_REGISTER_OPERATIONS
|
|
|
#define LOAD_EXTEND_OP(MODE) ZERO_EXTEND
|
#define LOAD_EXTEND_OP(MODE) ZERO_EXTEND
|
|
|
#define MOVE_MAX 2
|
#define MOVE_MAX 2
|
|
|
#define SHIFT_COUNT_TRUNCATED 1
|
#define SHIFT_COUNT_TRUNCATED 1
|
|
|
#define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1
|
#define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1
|
|
|
#define Pmode HImode
|
#define Pmode HImode
|
|
|
#define FUNCTION_MODE HImode
|
#define FUNCTION_MODE HImode
|
|
|
#define NO_IMPLICIT_EXTERN_C
|
#define NO_IMPLICIT_EXTERN_C
|
|
|
/* Defined in svr4.h. */
|
/* Defined in svr4.h. */
|
#define HANDLE_SYSV_PRAGMA 1
|
#define HANDLE_SYSV_PRAGMA 1
|
|
|
/* Define this if the target system supports the function `atexit' from the
|
/* Define this if the target system supports the function `atexit' from the
|
ANSI C standard. If this is not defined, and `INIT_SECTION_ASM_OP' is not
|
ANSI C standard. If this is not defined, and `INIT_SECTION_ASM_OP' is not
|
defined, a default `exit' function will be provided to support C++.
|
defined, a default `exit' function will be provided to support C++.
|
|
|
Defined by svr4.h */
|
Defined by svr4.h */
|
/* #define HAVE_ATEXIT */
|
/* #define HAVE_ATEXIT */
|
|
|
/* A C statement which is executed by the Haifa scheduler after it has scheduled
|
/* A C statement which is executed by the Haifa scheduler after it has scheduled
|
an insn from the ready list. FILE is either a null pointer, or a stdio stream
|
an insn from the ready list. FILE is either a null pointer, or a stdio stream
|
to write any debug output to. VERBOSE is the verbose level provided by
|
to write any debug output to. VERBOSE is the verbose level provided by
|
-fsched-verbose-<n>. INSN is the instruction that was scheduled. MORE is the
|
-fsched-verbose-<n>. INSN is the instruction that was scheduled. MORE is the
|
number of instructions that can be issued in the current cycle. This macro
|
number of instructions that can be issued in the current cycle. This macro
|
is responsible for updating the value of MORE (typically by (MORE)--). */
|
is responsible for updating the value of MORE (typically by (MORE)--). */
|
/* #define MD_SCHED_VARIABLE_ISSUE (FILE, VERBOSE, INSN, MORE) */
|
/* #define MD_SCHED_VARIABLE_ISSUE (FILE, VERBOSE, INSN, MORE) */
|
|
|
|
|
/* Define the information needed to generate branch and scc insns. This is
|
/* Define the information needed to generate branch and scc insns. This is
|
stored from the compare operation. Note that we can't use "rtx" here
|
stored from the compare operation. Note that we can't use "rtx" here
|
since it hasn't been defined! */
|
since it hasn't been defined! */
|
|
|
extern struct rtx_def *xstormy16_compare_op0, *xstormy16_compare_op1;
|
extern struct rtx_def *xstormy16_compare_op0, *xstormy16_compare_op1;
|
|
|
/* End of xstormy16.h */
|
/* End of xstormy16.h */
|
|
|
