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config.gcc (rx-*-linux*): New target.

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* config.gcc (rx-*-linux*): New target.
	* config/rx/elf.opt: New file.
	* config/rx/linux.h: Likewise.
	* config/rx/t-linux: Likewise.
	* config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
	make it zero.
	* config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
	(ASM_APP_OFF): Likewise.
	* config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
	moved elsewhere.

	* config.host (rx-*-linux*): Add new case.
	* config/rx/t-rx (HOST_LIBGCC2_CFLAGS): Force DFmode to SFmode.

From-SVN: r271748
This commit is contained in:
Yoshinori Sato 2019-05-30 03:36:06 +09:00 • committed by Jeff Law
parent 01a58e3698
commit 76aaa9cdb1
11 changed files with 342 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
gcc/ChangeLog
View file

@ -1,3 +1,16 @@
2019-05-29 Yoshinori Sato <ysato@users.sourceforge.jp>
* config.gcc (rx-*-linux*): New target.
* config/rx/elf.opt: New file.
* config/rx/linux.h: Likewise.
* config/rx/t-linux: Likewise.
* config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined,
make it zero.
* config/rx/rx.h (ASM_APP_ON): Allow to be overridden.
(ASM_APP_OFF): Likewise.
* config/rx/rx.opt: Drop -msim and -mas100-syntax, they were
moved elsewhere.
2019-05-29 Jan Hubicka <jh@suse.cz>
* tree-ssa-alias.c (same_type_for_tbaa): Return ture if main

5
gcc/config.gcc
View file

@ -2801,6 +2801,11 @@ rl78-*-elf*)
rx-*-elf*)
tm_file="dbxelf.h elfos.h newlib-stdint.h ${tm_file}"
tmake_file="${tmake_file} rx/t-rx"
extra_options="${extra_options} rx/elf.opt"
;;
rx-*-linux*)
tm_file="elfos.h linux.h glibc-stdint.h rx/linux.h ../../libgcc/config/rx/rx-abi.h"
tmake_file="${tmake_file} rx/t-linux"
;;
s390-*-linux*)
tm_file="s390/s390.h dbxelf.h elfos.h gnu-user.h linux.h glibc-stdint.h s390/linux.h"

44
gcc/config/rx/elf.opt Normal file
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@ -0,0 +1,44 @@
; Command line options for the Renesas RX port of GCC.
; Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
; Contributed by Red Hat.
;
; 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/>.
;---------------------------------------------------
; elf target extra options
msim
Target
Use the simulator runtime.
;---------------------------------------------------
mas100-syntax
Target Mask(AS100_SYNTAX) Report
Generate assembler output that is compatible with the Renesas AS100 assembler. This may restrict some of the compiler's capabilities. The default is to generate GAS compatable syntax.
;---------------------------------------------------
mint-register=
Target RejectNegative Joined UInteger Var(rx_interrupt_registers) Init(0)
Specifies the number of registers to reserve for interrupt handlers.
;---------------------------------------------------
msave-acc-in-interrupts
Target Mask(SAVE_ACC_REGISTER)
Specifies whether interrupt functions should save and restore the accumulator register.

231
gcc/config/rx/linux.h Normal file
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@ -0,0 +1,231 @@
/* GCC backend definitions for the rx-linux
Copyright (C) 2019 Yoshinori Sato
Based on rx.h
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/>. */
#include "config/rx/rx.h"
#undef TARGET_CPU_CPP_BUILTINS
#define TARGET_CPU_CPP_BUILTINS() \
do \
{ \
builtin_define ("__RX__"); \
builtin_assert ("cpu=RX"); \
if (rx_cpu_type == RX610) \
builtin_assert ("machine=RX610"); \
else \
builtin_assert ("machine=RX600"); \
\
if (TARGET_BIG_ENDIAN_DATA) \
builtin_define ("__RX_BIG_ENDIAN__"); \
else \
builtin_define ("__RX_LITTLE_ENDIAN__");\
\
if (TARGET_64BIT_DOUBLES) \
builtin_define ("__RX_64BIT_DOUBLES__");\
else \
builtin_define ("__RX_32BIT_DOUBLES__");\
\
if (ALLOW_RX_FPU_INSNS) \
builtin_define ("__RX_FPU_INSNS__"); \
\
} \
while (0)
#undef CC1_SPEC
#define CC1_SPEC "\
%{mcpu=rx200:%{fpu:%erx200 cpu does not have FPU hardware}}"
#undef ASM_SPEC
#define ASM_SPEC "\
%{mbig-endian-data:-mbig-endian-data} \
%{m64bit-doubles:-m64bit-doubles} \
%{!m64bit-doubles:-m32bit-doubles} \
%{msmall-data-limit*:-msmall-data-limit} \
%{mrelax:-relax} \
"
#undef DATA_SECTION_ASM_OP
#define DATA_SECTION_ASM_OP \
"\t.section .data,\"aw\",@progbits\n\t.p2align 2"
#undef SDATA_SECTION_ASM_OP
#define SDATA_SECTION_ASM_OP \
"\t.section .data2,\"aw\",@progbits\n\t.p2align 1"
#undef READONLY_DATA_SECTION_ASM_OP
#define READONLY_DATA_SECTION_ASM_OP \
"\t.section .rodata,\"a\",@progbits\n\t.p2align 2"
#undef BSS_SECTION_ASM_OP
#define BSS_SECTION_ASM_OP \
"\t.section .bss\n\t.p2align 2"
#undef SBSS_SECTION_ASM_OP
#define SBSS_SECTION_ASM_OP \
"\t.section .bss2\n\t.p2align 1"
/* The following definitions are conditional depending upon whether the
compiler is being built or crtstuff.c is being compiled by the built
compiler. */
#undef TEXT_SECTION_ASM_OP
#define TEXT_SECTION_ASM_OP \
"\t.section .text,\"ax\""
#undef CTORS_SECTION_ASM_OP
#define CTORS_SECTION_ASM_OP \
"\t.section\t.init_array,\"aw\",@init_array"
#undef DTORS_SECTION_ASM_OP
#define DTORS_SECTION_ASM_OP \
"\t.section\t.fini_array,\"aw\",@fini_array"
#undef INIT_ARRAY_SECTION_ASM_OP
#define INIT_ARRAY_SECTION_ASM_OP \
"\t.section\t.init_array,\"aw\",@init_array"
#undef FINI_ARRAY_SECTION_ASM_OP
#define FINI_ARRAY_SECTION_ASM_OP \
"\t.section\t.fini_array,\"aw\",@fini_array"
#undef GLOBAL_ASM_OP
#define GLOBAL_ASM_OP "\t.global\t"
#undef USER_LABEL_PREFIX
#undef ASM_OUTPUT_ALIGN
#define ASM_OUTPUT_ALIGN(STREAM, LOG) \
do \
{ \
if ((LOG) == 0) \
break; \
fprintf (STREAM, "\t.balign %d\n", 1 << (LOG)); \
} \
while (0)
#undef ASM_OUTPUT_ADDR_VEC_ELT
#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
fprintf (FILE, "\t.long .L%d\n", VALUE)
/* This is how to output an element of a case-vector that is relative.
Note: The local label referenced by the "1b" below is emitted by
the tablejump insn. */
#undef ASM_OUTPUT_ADDR_DIFF_ELT
#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
fprintf (FILE, "\t.long .L%d - 1b\n", VALUE)
#undef ASM_OUTPUT_SIZE_DIRECTIVE
#define ASM_OUTPUT_SIZE_DIRECTIVE(STREAM, NAME, SIZE) \
do \
{ \
HOST_WIDE_INT size_ = (SIZE); \
\
fputs (SIZE_ASM_OP, STREAM); \
assemble_name (STREAM, NAME); \
fprintf (STREAM, ", " HOST_WIDE_INT_PRINT_DEC "\n", size_); \
} \
while (0)
#undef ASM_OUTPUT_MEASURED_SIZE
#define ASM_OUTPUT_MEASURED_SIZE(STREAM, NAME) \
do \
{ \
fputs (SIZE_ASM_OP, STREAM); \
assemble_name (STREAM, NAME); \
fputs (", .-", STREAM); \
assemble_name (STREAM, NAME); \
putc ('\n', STREAM); \
} \
while (0)
#undef ASM_OUTPUT_TYPE_DIRECTIVE
#define ASM_OUTPUT_TYPE_DIRECTIVE(STREAM, NAME, TYPE) \
do \
{ \
fputs (TYPE_ASM_OP, STREAM); \
assemble_name (STREAM, NAME); \
fputs (", ", STREAM); \
fprintf (STREAM, TYPE_OPERAND_FMT, TYPE); \
putc ('\n', STREAM); \
} \
while (0)
#undef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \
do \
{ \
sprintf (LABEL, "*.%s%u", PREFIX, (unsigned) (NUM)); \
} \
while (0)
#undef ASM_OUTPUT_EXTERNAL
#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
do \
{ \
default_elf_asm_output_external (FILE, DECL, NAME); \
} \
while (0)
#undef ASM_OUTPUT_ALIGNED_COMMON
#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
do \
{ \
fprintf ((FILE), "%s", COMMON_ASM_OP); \
assemble_name ((FILE), (NAME)); \
fprintf ((FILE), "," HOST_WIDE_INT_PRINT_UNSIGNED ",%u\n", \
(SIZE), (ALIGN) / BITS_PER_UNIT); \
} \
while (0)
#undef SKIP_ASM_OP
#define SKIP_ASM_OP "\t.zero\t"
#undef ASM_OUTPUT_LIMITED_STRING
#define ASM_OUTPUT_LIMITED_STRING(FILE, STR) \
do \
{ \
const unsigned char *_limited_str = \
(const unsigned char *) (STR); \
unsigned ch; \
\
fprintf ((FILE), "\t.string\t\""); \
\
for (; (ch = *_limited_str); _limited_str++) \
{ \
int escape; \
\
switch (escape = ESCAPES[ch]) \
{ \
case 0: \
putc (ch, (FILE)); \
break; \
case 1: \
fprintf ((FILE), "\\%03o", ch); \
break; \
default: \
putc ('\\', (FILE)); \
putc (escape, (FILE)); \
break; \
} \
} \
\
fprintf ((FILE), "\"\n"); \
} \
while (0)
#undef PREFERRED_DEBUGGING_TYPE
#undef TARGET_AS100_SYNTAX
#define TARGET_AS100_SYNTAX 0

4
gcc/config/rx/rx.c
View file

@ -1438,10 +1438,14 @@ bit_count (unsigned int x)
return (x + (x >> 16)) & 0x3f;
}
#if defined(TARGET_SAVE_ACC_REGISTER)
#define MUST_SAVE_ACC_REGISTER \
(TARGET_SAVE_ACC_REGISTER \
&& (is_interrupt_func (NULL_TREE) \
|| is_fast_interrupt_func (NULL_TREE)))
#else
#define MUST_SAVE_ACC_REGISTER 0
#endif
/* Returns either the lowest numbered and highest numbered registers that
occupy the call-saved area of the stack frame, if the registers are

2
gcc/config/rx/rx.h
View file

@ -408,7 +408,9 @@ typedef unsigned int CUMULATIVE_ARGS;
#define GLOBAL_ASM_OP \
(TARGET_AS100_SYNTAX ? "\t.GLB\t" : "\t.global\t")
#define ASM_COMMENT_START " ;"
#undef ASM_APP_ON
#define ASM_APP_ON ""
#undef ASM_APP_OFF
#define ASM_APP_OFF ""
#define LOCAL_LABEL_PREFIX "L"
#undef USER_LABEL_PREFIX

12
gcc/config/rx/rx.opt
View file

@ -82,18 +82,6 @@ Maximum size of global and static variables which can be placed into the small d
;---------------------------------------------------
msim
Target
Use the simulator runtime.
;---------------------------------------------------
mas100-syntax
Target Mask(AS100_SYNTAX) Report
Generate assembler output that is compatible with the Renesas AS100 assembler. This may restrict some of the compiler's capabilities. The default is to generate GAS compatible syntax.
;---------------------------------------------------
mrelax
Target
Enable linker relaxation.

34
gcc/config/rx/t-linux Normal file
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@ -0,0 +1,34 @@
# Makefile fragment for building GCC for the rx-linux.
# Copyright (C) 2019 Yoshinori Sato
# Based on t-rx
#
# 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/>.
# Enable multilibs:
MULTILIB_OPTIONS =
MULTILIB_DIRNAMES =
MULTILIB_MATCHES = nofpu=mnofpu nofpu=mcpu?rx200 nofpu=mcpu?RX200
MULTILIB_EXCEPTIONS =
MULTILIB_EXTRA_OPTS =
LIBGCC = stmp-multilib
INSTALL_LIBGCC = install-multilib
EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o

5
libgcc/ChangeLog
View file

@ -1,3 +1,8 @@
2019-05-29 Yoshinori Sato <ysato@users.sourceforge.jp>
* config.host (rx-*-linux*): Add new case.
* config/rx/t-rx (HOST_LIBGCC2_CFLAGS): Force DFmode to SFmode.
2019-05-29 Sam Tebbs <sam.tebbs@arm.com>
* config/aarch64/aarch64-unwind.h (aarch64_cie_signed_with_b_key): New

3
libgcc/config.host
View file

@ -1211,6 +1211,9 @@ rx-*-elf)
tmake_file="rx/t-rx t-fdpbit"
tm_file="$tm_file rx/rx-abi.h rx/rx-lib.h"
;;
rx-*-linux*)
tmake_file="rx/t-rx"
;;
s390-*-linux*)
tmake_file="${tmake_file} s390/t-crtstuff s390/t-linux s390/32/t-floattodi t-stack s390/t-stack-s390"
md_unwind_header=s390/linux-unwind.h

1
libgcc/config/rx/t-rx
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@ -23,6 +23,7 @@
# the normal libgcc sources:
LIB2ADD = $(srcdir)/config/rx/rx-abi-functions.c
HOST_LIBGCC2_CFLAGS += -DDF=SF
# We need special handling of the floating point conversion