mirror of
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Add the nvptx port.
* configure.ac: Handle nvptx-*-*. * configure: Regenerate. gcc/ * config/nvptx/nvptx.c: New file. * config/nvptx/nvptx.h: New file. * config/nvptx/nvptx-protos.h: New file. * config/nvptx/nvptx.md: New file. * config/nvptx/t-nvptx: New file. * config/nvptx/nvptx.opt: New file. * common/config/nvptx/nvptx-common.c: New file. * config.gcc: Handle nvptx-*-*. libgcc/ * config.host: Handle nvptx-*-*. * shared-object.mk (as-flags-$o): Define. ($(base)$(objext), $(base)_s$(objext)): Use it instead of -xassembler-with-cpp. * static-object.mk: Identical changes. * config/nvptx/t-nvptx: New file. * config/nvptx/crt0.s: New file. * config/nvptx/free.asm: New file. * config/nvptx/malloc.asm: New file. * config/nvptx/realloc.c: New file. From-SVN: r217295
This commit is contained in:
Bernd Schmidt
Bernd Schmidt
parent
c81b4a0e83
commit
738f25224b
@ -1,3 +1,8 @@
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2014-11-06 Bernd Schmidt <bernds@codesourcery.com>
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* configure.ac: Handle nvptx-*-*.
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* configure: Regenerate.
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2014-11-06 Prachi Godbole <prachi.godbole@imgtec.com>
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* MAINTAINERS (Write After Approval): Add myself.
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4
configure
vendored
4
configure
vendored
@ -3779,6 +3779,10 @@ case "${target}" in
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mips*-*-*)
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noconfigdirs="$noconfigdirs gprof"
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;;
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nvptx*-*-*)
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# nvptx is just a compiler
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noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
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;;
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sh-*-* | sh64-*-*)
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case "${target}" in
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sh*-*-elf)
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@ -1138,6 +1138,10 @@ case "${target}" in
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mips*-*-*)
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noconfigdirs="$noconfigdirs gprof"
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;;
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nvptx*-*-*)
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# nvptx is just a compiler
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noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
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;;
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sh-*-* | sh64-*-*)
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case "${target}" in
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sh*-*-elf)
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@ -1,3 +1,14 @@
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2014-11-10 Bernd Schmidt <bernds@codesourcery.com>
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* config/nvptx/nvptx.c: New file.
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* config/nvptx/nvptx.h: New file.
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* config/nvptx/nvptx-protos.h: New file.
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* config/nvptx/nvptx.md: New file.
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* config/nvptx/t-nvptx: New file.
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* config/nvptx/nvptx.opt: New file.
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* common/config/nvptx/nvptx-common.c: New file.
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* config.gcc: Handle nvptx-*-*.
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2014-11-10 Richard Biener <rguenther@suse.de>
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* tree-ssa-operands.c (finalize_ssa_uses): Properly put
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38
gcc/common/config/nvptx/nvptx-common.c
Normal file
38
gcc/common/config/nvptx/nvptx-common.c
Normal file
@ -0,0 +1,38 @@
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/* NVPTX common hooks.
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Copyright (C) 2014 Free Software Foundation, Inc.
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Contributed by Bernd Schmidt <bernds@codesourcery.com>
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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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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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any later version.
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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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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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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "diagnostic-core.h"
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#include "tm.h"
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#include "tm_p.h"
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#include "common/common-target.h"
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#include "common/common-target-def.h"
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#include "opts.h"
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#include "flags.h"
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#undef TARGET_HAVE_NAMED_SECTIONS
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#define TARGET_HAVE_NAMED_SECTIONS false
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#undef TARGET_DEFAULT_TARGET_FLAGS
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#define TARGET_DEFAULT_TARGET_FLAGS MASK_ABI64
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struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
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@ -422,6 +422,9 @@ nios2-*-*)
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cpu_type=nios2
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extra_options="${extra_options} g.opt"
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;;
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nvptx-*-*)
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cpu_type=nvptx
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;;
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powerpc*-*-*)
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cpu_type=rs6000
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extra_headers="ppc-asm.h altivec.h spe.h ppu_intrinsics.h paired.h spu2vmx.h vec_types.h si2vmx.h htmintrin.h htmxlintrin.h"
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@ -2153,6 +2156,10 @@ nios2-*-*)
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;;
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esac
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;;
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nvptx-*)
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tm_file="${tm_file} newlib-stdint.h"
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tmake_file="nvptx/t-nvptx"
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;;
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pdp11-*-*)
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tm_file="${tm_file} newlib-stdint.h"
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use_gcc_stdint=wrap
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46
gcc/config/nvptx/nvptx-protos.h
Normal file
46
gcc/config/nvptx/nvptx-protos.h
Normal file
@ -0,0 +1,46 @@
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/* Prototypes for exported functions defined in nvptx.c.
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Copyright (C) 2014 Free Software Foundation, Inc.
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Contributed by Bernd Schmidt <bernds@codesourcery.com>
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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 it
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under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 3, or (at your
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option) any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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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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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_NVPTX_PROTOS_H
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#define GCC_NVPTX_PROTOS_H
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extern void nvptx_declare_function_name (FILE *, const char *, const_tree decl);
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extern void nvptx_declare_object_name (FILE *file, const char *name,
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const_tree decl);
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extern void nvptx_record_needed_fndecl (tree decl);
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extern void nvptx_function_end (FILE *);
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extern void nvptx_output_skip (FILE *, unsigned HOST_WIDE_INT);
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extern void nvptx_output_ascii (FILE *, const char *, unsigned HOST_WIDE_INT);
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extern void nvptx_register_pragmas (void);
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extern const char *nvptx_section_for_decl (const_tree);
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#ifdef RTX_CODE
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extern void nvptx_expand_call (rtx, rtx);
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extern rtx nvptx_expand_compare (rtx);
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extern const char *nvptx_ptx_type_from_mode (machine_mode, bool);
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extern const char *nvptx_output_call_insn (rtx_insn *, rtx, rtx);
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extern const char *nvptx_output_return (void);
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extern machine_mode nvptx_underlying_object_mode (rtx);
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extern const char *nvptx_section_from_addr_space (addr_space_t);
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extern bool nvptx_hard_regno_mode_ok (int, machine_mode);
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extern addr_space_t nvptx_addr_space_from_address (rtx);
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extern rtx nvptx_maybe_convert_symbolic_operand (rtx);
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#endif
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#endif
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2120
gcc/config/nvptx/nvptx.c
Normal file
2120
gcc/config/nvptx/nvptx.c
Normal file
File diff suppressed because it is too large
Load Diff
356
gcc/config/nvptx/nvptx.h
Normal file
356
gcc/config/nvptx/nvptx.h
Normal file
@ -0,0 +1,356 @@
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/* Target Definitions for NVPTX.
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Copyright (C) 2014 Free Software Foundation, Inc.
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Contributed by Bernd Schmidt <bernds@codesourcery.com>
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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 it
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under the terms of the GNU General Public License as published
|
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by the Free Software Foundation; either version 3, or (at your
|
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option) any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
|
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
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or FITNESS FOR A PARTICULAR PURPOSE. See the 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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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_NVPTX_H
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#define GCC_NVPTX_H
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/* Run-time Target. */
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#define STARTFILE_SPEC "%{mmainkernel:crt0.o}"
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#define TARGET_CPU_CPP_BUILTINS() \
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do \
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{ \
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builtin_assert ("machine=nvptx"); \
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builtin_assert ("cpu=nvptx"); \
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builtin_define ("__nvptx__"); \
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} while (0)
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/* Storage Layout. */
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#define BITS_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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/* Chosen such that we won't have to deal with multi-word subregs. */
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#define UNITS_PER_WORD 8
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#define PARM_BOUNDARY 8
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#define STACK_BOUNDARY 64
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#define FUNCTION_BOUNDARY 32
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#define BIGGEST_ALIGNMENT 64
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#define STRICT_ALIGNMENT 1
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/* Copied from elf.h and other places. We'd otherwise use
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BIGGEST_ALIGNMENT and fail a number of testcases. */
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#define MAX_OFILE_ALIGNMENT (32768 * 8)
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/* Type Layout. */
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#define DEFAULT_SIGNED_CHAR 1
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#define SHORT_TYPE_SIZE 16
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#define INT_TYPE_SIZE 32
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#define LONG_TYPE_SIZE (TARGET_ABI64 ? 64 : 32)
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#define LONG_LONG_TYPE_SIZE 64
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#define FLOAT_TYPE_SIZE 32
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#define DOUBLE_TYPE_SIZE 64
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#define LONG_DOUBLE_TYPE_SIZE 64
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#undef SIZE_TYPE
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#define SIZE_TYPE (TARGET_ABI64 ? "long unsigned int" : "unsigned int")
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE (TARGET_ABI64 ? "long int" : "int")
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#define POINTER_SIZE (TARGET_ABI64 ? 64 : 32)
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#define Pmode (TARGET_ABI64 ? DImode : SImode)
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/* Registers. Since ptx is a virtual target, we just define a few
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hard registers for special purposes and leave pseudos unallocated. */
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#define FIRST_PSEUDO_REGISTER 16
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#define FIXED_REGISTERS \
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{ 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1 }
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#define CALL_USED_REGISTERS \
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{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }
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#define HARD_REGNO_NREGS(regno, mode) 1
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#define CANNOT_CHANGE_MODE_CLASS(M1, M2, CLS) ((CLS) == RETURN_REG)
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#define HARD_REGNO_MODE_OK(REG, MODE) nvptx_hard_regno_mode_ok (REG, MODE)
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/* Register Classes. */
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enum reg_class
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{
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NO_REGS,
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RETURN_REG,
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ALL_REGS,
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LIM_REG_CLASSES
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};
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#define N_REG_CLASSES (int) LIM_REG_CLASSES
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#define REG_CLASS_NAMES { \
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"RETURN_REG", \
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"NO_REGS", \
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"ALL_REGS" }
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#define REG_CLASS_CONTENTS \
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{ \
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/* NO_REGS. */ \
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{ 0x0000 }, \
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/* RETURN_REG. */ \
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{ 0x0008 }, \
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/* ALL_REGS. */ \
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{ 0xFFFF }, \
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}
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#define GENERAL_REGS ALL_REGS
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#define REGNO_REG_CLASS(R) ((R) == 4 ? RETURN_REG : ALL_REGS)
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#define BASE_REG_CLASS ALL_REGS
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#define INDEX_REG_CLASS NO_REGS
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#define REGNO_OK_FOR_BASE_P(X) true
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#define REGNO_OK_FOR_INDEX_P(X) false
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#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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#define MODES_TIEABLE_P(M1, M2) false
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#define PROMOTE_MODE(MODE, UNSIGNEDP, TYPE) \
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if (GET_MODE_CLASS (MODE) == MODE_INT \
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&& GET_MODE_SIZE (MODE) < GET_MODE_SIZE (SImode)) \
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{ \
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(MODE) = SImode; \
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}
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|
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/* Address spaces. */
|
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#define ADDR_SPACE_GLOBAL 1
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#define ADDR_SPACE_SHARED 3
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#define ADDR_SPACE_CONST 4
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#define ADDR_SPACE_LOCAL 5
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#define ADDR_SPACE_PARAM 101
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|
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/* Stack and Calling. */
|
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#define STARTING_FRAME_OFFSET 0
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#define FRAME_GROWS_DOWNWARD 0
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#define STACK_GROWS_DOWNWARD
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|
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#define STACK_POINTER_REGNUM 1
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#define HARD_FRAME_POINTER_REGNUM 2
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#define NVPTX_PUNNING_BUFFER_REGNUM 3
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#define NVPTX_RETURN_REGNUM 4
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#define FRAME_POINTER_REGNUM 15
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#define ARG_POINTER_REGNUM 14
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#define RETURN_ADDR_REGNO 13
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#define STATIC_CHAIN_REGNUM 12
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#define OUTGOING_ARG_POINTER_REGNUM 11
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#define OUTGOING_STATIC_CHAIN_REGNUM 10
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|
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#define FIRST_PARM_OFFSET(FNDECL) 0
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#define PUSH_ARGS_REVERSED 1
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#define ACCUMULATE_OUTGOING_ARGS 1
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|
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#ifdef HOST_WIDE_INT
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struct nvptx_args {
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union tree_node *fntype;
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/* Number of arguments passed in registers so far. */
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int count;
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/* Offset into the stdarg area so far. */
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HOST_WIDE_INT off;
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};
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#endif
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|
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#define CUMULATIVE_ARGS struct nvptx_args
|
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|
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#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, FNDECL, N_NAMED_ARGS) \
|
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do { (CUM).fntype = (FNTYPE); (CUM).count = 0; (CUM).off = 0; } while (0)
|
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|
||||
#define FUNCTION_ARG_REGNO_P(r) 0
|
||||
|
||||
#define DEFAULT_PCC_STRUCT_RETURN 0
|
||||
|
||||
#define FUNCTION_PROFILER(file, labelno) \
|
||||
fatal_error ("profiling is not yet implemented for this architecture")
|
||||
|
||||
#define TRAMPOLINE_SIZE 32
|
||||
#define TRAMPOLINE_ALIGNMENT 256
|
||||
|
||||
/* We don't run reload, so this isn't actually used, but it still needs to be
|
||||
defined. Showing an argp->fp elimination also stops
|
||||
expand_builtin_setjmp_receiver from generating invalid insns. */
|
||||
#define ELIMINABLE_REGS \
|
||||
{ \
|
||||
{ FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}, \
|
||||
{ ARG_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM} \
|
||||
}
|
||||
|
||||
/* Define the offset between two registers, one to be eliminated, and the other
|
||||
its replacement, at the start of a routine. */
|
||||
|
||||
#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
|
||||
((OFFSET) = 0)
|
||||
|
||||
/* Addressing Modes. */
|
||||
|
||||
#define MAX_REGS_PER_ADDRESS 1
|
||||
|
||||
#define LEGITIMATE_PIC_OPERAND_P(X) 1
|
||||
|
||||
|
||||
struct nvptx_pseudo_info
|
||||
{
|
||||
int true_size;
|
||||
int renumber;
|
||||
};
|
||||
|
||||
#if defined HOST_WIDE_INT
|
||||
struct GTY(()) machine_function
|
||||
{
|
||||
rtx_expr_list *call_args;
|
||||
rtx start_call;
|
||||
tree funtype;
|
||||
bool has_call_with_varargs;
|
||||
bool has_call_with_sc;
|
||||
struct GTY((skip)) nvptx_pseudo_info *pseudos;
|
||||
HOST_WIDE_INT outgoing_stdarg_size;
|
||||
int ret_reg_mode;
|
||||
int punning_buffer_size;
|
||||
};
|
||||
#endif
|
||||
|
||||
/* Costs. */
|
||||
|
||||
#define NO_FUNCTION_CSE 1
|
||||
#define SLOW_BYTE_ACCESS 0
|
||||
#define BRANCH_COST(speed_p, predictable_p) 6
|
||||
|
||||
/* Assembler Format. */
|
||||
|
||||
#undef ASM_DECLARE_FUNCTION_NAME
|
||||
#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
|
||||
nvptx_declare_function_name (FILE, NAME, DECL)
|
||||
|
||||
#undef ASM_DECLARE_FUNCTION_SIZE
|
||||
#define ASM_DECLARE_FUNCTION_SIZE(STREAM, NAME, DECL) \
|
||||
nvptx_function_end (STREAM)
|
||||
|
||||
#define DWARF2_ASM_LINE_DEBUG_INFO 1
|
||||
|
||||
#undef ASM_APP_ON
|
||||
#define ASM_APP_ON "\t// #APP \n"
|
||||
#undef ASM_APP_OFF
|
||||
#define ASM_APP_OFF "\t// #NO_APP \n"
|
||||
|
||||
#define ASM_OUTPUT_COMMON(stream, name, size, rounded)
|
||||
#define ASM_OUTPUT_LOCAL(stream, name, size, rounded)
|
||||
|
||||
#define REGISTER_NAMES \
|
||||
{ \
|
||||
"%hr0", "%outargs", "%hfp", "%punbuffer", "%retval", "%retval_in", "%hr6", "%hr7", \
|
||||
"%hr8", "%hr9", "%hr10", "%hr11", "%hr12", "%hr13", "%argp", "%frame" \
|
||||
}
|
||||
|
||||
#define DBX_REGISTER_NUMBER(N) N
|
||||
|
||||
#define TEXT_SECTION_ASM_OP ""
|
||||
#define DATA_SECTION_ASM_OP ""
|
||||
|
||||
#undef ASM_GENERATE_INTERNAL_LABEL
|
||||
#define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \
|
||||
do \
|
||||
{ \
|
||||
char *__p; \
|
||||
__p = stpcpy (&(LABEL)[1], PREFIX); \
|
||||
(LABEL)[0] = '$'; \
|
||||
sprint_ul (__p, (unsigned long) (NUM)); \
|
||||
} \
|
||||
while (0)
|
||||
|
||||
#define ASM_OUTPUT_ALIGN(FILE, POWER)
|
||||
#define ASM_OUTPUT_SKIP(FILE, N) \
|
||||
nvptx_output_skip (FILE, N)
|
||||
#undef ASM_OUTPUT_ASCII
|
||||
#define ASM_OUTPUT_ASCII(FILE, STR, LENGTH) \
|
||||
nvptx_output_ascii (FILE, STR, LENGTH);
|
||||
|
||||
#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
|
||||
nvptx_declare_object_name (FILE, NAME, DECL)
|
||||
|
||||
#undef ASM_OUTPUT_ALIGNED_DECL_COMMON
|
||||
#define ASM_OUTPUT_ALIGNED_DECL_COMMON(FILE, DECL, NAME, SIZE, ALIGN) \
|
||||
do \
|
||||
{ \
|
||||
fprintf (FILE, "// BEGIN%s VAR DEF: ", \
|
||||
TREE_PUBLIC (DECL) ? " GLOBAL" : ""); \
|
||||
assemble_name_raw (FILE, NAME); \
|
||||
fputc ('\n', FILE); \
|
||||
const char *sec = nvptx_section_for_decl (DECL); \
|
||||
fprintf (FILE, ".visible%s.align %d .b8 ", sec, \
|
||||
(ALIGN) / BITS_PER_UNIT); \
|
||||
assemble_name ((FILE), (NAME)); \
|
||||
if ((SIZE) > 0) \
|
||||
fprintf (FILE, "["HOST_WIDE_INT_PRINT_DEC"]", (SIZE)); \
|
||||
fprintf (FILE, ";\n"); \
|
||||
} \
|
||||
while (0)
|
||||
|
||||
#undef ASM_OUTPUT_ALIGNED_DECL_LOCAL
|
||||
#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \
|
||||
do \
|
||||
{ \
|
||||
fprintf (FILE, "// BEGIN VAR DEF: "); \
|
||||
assemble_name_raw (FILE, NAME); \
|
||||
fputc ('\n', FILE); \
|
||||
const char *sec = nvptx_section_for_decl (DECL); \
|
||||
fprintf (FILE, ".visible%s.align %d .b8 ", sec, \
|
||||
(ALIGN) / BITS_PER_UNIT); \
|
||||
assemble_name ((FILE), (NAME)); \
|
||||
if ((SIZE) > 0) \
|
||||
fprintf (FILE, "["HOST_WIDE_INT_PRINT_DEC"]", (SIZE)); \
|
||||
fprintf (FILE, ";\n"); \
|
||||
} \
|
||||
while (0)
|
||||
|
||||
#define CASE_VECTOR_PC_RELATIVE flag_pic
|
||||
#define JUMP_TABLES_IN_TEXT_SECTION flag_pic
|
||||
|
||||
#define ADDR_VEC_ALIGN(VEC) (JUMP_TABLES_IN_TEXT_SECTION ? 5 : 2)
|
||||
|
||||
/* Misc. */
|
||||
|
||||
#define DWARF2_DEBUGGING_INFO 1
|
||||
|
||||
#define CLZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) \
|
||||
((VALUE) = GET_MODE_BITSIZE ((MODE)), 2)
|
||||
#define CTZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) \
|
||||
((VALUE) = GET_MODE_BITSIZE ((MODE)), 2)
|
||||
|
||||
#define NO_DOT_IN_LABEL
|
||||
#define ASM_COMMENT_START "//"
|
||||
|
||||
#define STORE_FLAG_VALUE -1
|
||||
#define FLOAT_STORE_FLAG_VALUE(MODE) REAL_VALUE_ATOF("1.0", (MODE))
|
||||
|
||||
#define CASE_VECTOR_MODE SImode
|
||||
#define MOVE_MAX 4
|
||||
#define MOVE_RATIO(SPEED) 4
|
||||
#define TRULY_NOOP_TRUNCATION(outprec, inprec) 1
|
||||
#define FUNCTION_MODE QImode
|
||||
#define HAS_INIT_SECTION 1
|
||||
|
||||
#endif /* GCC_NVPTX_H */
|
||||
1376
gcc/config/nvptx/nvptx.md
Normal file
1376
gcc/config/nvptx/nvptx.md
Normal file
File diff suppressed because it is too large
Load Diff
30
gcc/config/nvptx/nvptx.opt
Normal file
30
gcc/config/nvptx/nvptx.opt
Normal file
@ -0,0 +1,30 @@
|
||||
; Options for the NVPTX port
|
||||
; Copyright 2014 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/>.
|
||||
|
||||
m64
|
||||
Target Report RejectNegative Mask(ABI64)
|
||||
Generate code for a 64 bit ABI
|
||||
|
||||
m32
|
||||
Target Report RejectNegative InverseMask(ABI64)
|
||||
Generate code for a 32 bit ABI
|
||||
|
||||
mmainkernel
|
||||
Target Report RejectNegative
|
||||
Link in code for a __main kernel.
|
||||
2
gcc/config/nvptx/t-nvptx
Normal file
2
gcc/config/nvptx/t-nvptx
Normal file
@ -0,0 +1,2 @@
|
||||
#
|
||||
|
||||
@ -1,3 +1,16 @@
|
||||
2014-11-06 Bernd Schmidt <bernds@codesourcery.com>
|
||||
|
||||
* config.host: Handle nvptx-*-*.
|
||||
* shared-object.mk (as-flags-$o): Define.
|
||||
($(base)$(objext), $(base)_s$(objext)): Use it instead of
|
||||
-xassembler-with-cpp.
|
||||
* static-object.mk: Identical changes.
|
||||
* config/nvptx/t-nvptx: New file.
|
||||
* config/nvptx/crt0.s: New file.
|
||||
* config/nvptx/free.asm: New file.
|
||||
* config/nvptx/malloc.asm: New file.
|
||||
* config/nvptx/realloc.c: New file.
|
||||
|
||||
2014-10-30 Joseph Myers <joseph@codesourcery.com>
|
||||
|
||||
* Makefile.in (libgcc.map.in): New target.
|
||||
|
||||
@ -1256,6 +1256,10 @@ mep*-*-*)
|
||||
tmake_file="mep/t-mep t-fdpbit"
|
||||
extra_parts="crtbegin.o crtend.o"
|
||||
;;
|
||||
nvptx-*)
|
||||
tmake_file="$tmake_file nvptx/t-nvptx"
|
||||
extra_parts="crt0.o"
|
||||
;;
|
||||
*)
|
||||
echo "*** Configuration ${host} not supported" 1>&2
|
||||
exit 1
|
||||
|
||||
45
libgcc/config/nvptx/crt0.s
Normal file
45
libgcc/config/nvptx/crt0.s
Normal file
@ -0,0 +1,45 @@
|
||||
.version 3.1
|
||||
.target sm_30
|
||||
.address_size 64
|
||||
|
||||
.global .u64 %__exitval;
|
||||
// BEGIN GLOBAL FUNCTION DEF: abort
|
||||
.visible .func abort
|
||||
{
|
||||
.reg .u64 %rd1;
|
||||
ld.global.u64 %rd1,[%__exitval];
|
||||
st.u32 [%rd1], 255;
|
||||
exit;
|
||||
}
|
||||
// BEGIN GLOBAL FUNCTION DEF: exit
|
||||
.visible .func exit (.param .u32 %arg)
|
||||
{
|
||||
.reg .u64 %rd1;
|
||||
.reg .u32 %val;
|
||||
ld.param.u32 %val,[%arg];
|
||||
ld.global.u64 %rd1,[%__exitval];
|
||||
st.u32 [%rd1], %val;
|
||||
exit;
|
||||
}
|
||||
|
||||
.extern .func (.param.u32 retval) main (.param.u32 argc, .param.u64 argv);
|
||||
|
||||
.visible .entry __main (.param .u64 __retval, .param.u32 __argc, .param.u64 __argv)
|
||||
{
|
||||
.reg .u32 %r<3>;
|
||||
.reg .u64 %rd<3>;
|
||||
.param.u32 %argc;
|
||||
.param.u64 %argp;
|
||||
.param.u32 %mainret;
|
||||
ld.param.u64 %rd0, [__retval];
|
||||
st.global.u64 [%__exitval], %rd0;
|
||||
|
||||
ld.param.u32 %r1, [__argc];
|
||||
ld.param.u64 %rd1, [__argv];
|
||||
st.param.u32 [%argc], %r1;
|
||||
st.param.u64 [%argp], %rd1;
|
||||
call.uni (%mainret), main, (%argc, %argp);
|
||||
ld.param.u32 %r1,[%mainret];
|
||||
st.s32 [%rd0], %r1;
|
||||
exit;
|
||||
}
|
||||
50
libgcc/config/nvptx/free.asm
Normal file
50
libgcc/config/nvptx/free.asm
Normal file
@ -0,0 +1,50 @@
|
||||
// A wrapper around free to enable a realloc implementation.
|
||||
|
||||
// Copyright (C) 2014 Free Software Foundation, Inc.
|
||||
|
||||
// This file 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.
|
||||
|
||||
// This file is distributed in the hope that it will be useful, but
|
||||
// WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
// General Public License for more details.
|
||||
|
||||
// Under Section 7 of GPL version 3, you are granted additional
|
||||
// permissions described in the GCC Runtime Library Exception, version
|
||||
// 3.1, as published by the Free Software Foundation.
|
||||
|
||||
// You should have received a copy of the GNU General Public License and
|
||||
// a copy of the GCC Runtime Library Exception along with this program;
|
||||
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
.version 3.1
|
||||
.target sm_30
|
||||
.address_size 64
|
||||
|
||||
.extern .func free(.param.u64 %in_ar1);
|
||||
|
||||
// BEGIN GLOBAL FUNCTION DEF: __nvptx_free
|
||||
.visible .func __nvptx_free(.param.u64 %in_ar1)
|
||||
{
|
||||
.reg.u64 %ar1;
|
||||
.reg.u64 %hr10;
|
||||
.reg.u64 %r23;
|
||||
.reg.pred %r25;
|
||||
.reg.u64 %r27;
|
||||
ld.param.u64 %ar1, [%in_ar1];
|
||||
mov.u64 %r23, %ar1;
|
||||
setp.eq.u64 %r25,%r23,0;
|
||||
@%r25 bra $L1;
|
||||
add.u64 %r27, %r23, -8;
|
||||
{
|
||||
.param.u64 %out_arg0;
|
||||
st.param.u64 [%out_arg0], %r27;
|
||||
call free, (%out_arg0);
|
||||
}
|
||||
$L1:
|
||||
ret;
|
||||
}
|
||||
55
libgcc/config/nvptx/malloc.asm
Normal file
55
libgcc/config/nvptx/malloc.asm
Normal file
@ -0,0 +1,55 @@
|
||||
// A wrapper around malloc to enable a realloc implementation.
|
||||
|
||||
// Copyright (C) 2014 Free Software Foundation, Inc.
|
||||
|
||||
// This file 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.
|
||||
|
||||
// This file is distributed in the hope that it will be useful, but
|
||||
// WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
// General Public License for more details.
|
||||
|
||||
// Under Section 7 of GPL version 3, you are granted additional
|
||||
// permissions described in the GCC Runtime Library Exception, version
|
||||
// 3.1, as published by the Free Software Foundation.
|
||||
|
||||
// You should have received a copy of the GNU General Public License and
|
||||
// a copy of the GCC Runtime Library Exception along with this program;
|
||||
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
.version 3.1
|
||||
.target sm_30
|
||||
.address_size 64
|
||||
|
||||
.extern .func (.param.u64 %out_retval) malloc(.param.u64 %in_ar1);
|
||||
|
||||
// BEGIN GLOBAL FUNCTION DEF: __nvptx_malloc
|
||||
.visible .func (.param.u64 %out_retval) __nvptx_malloc(.param.u64 %in_ar1)
|
||||
{
|
||||
.reg.u64 %ar1;
|
||||
.reg.u64 %retval;
|
||||
.reg.u64 %hr10;
|
||||
.reg.u64 %r26;
|
||||
.reg.u64 %r28;
|
||||
.reg.u64 %r29;
|
||||
.reg.u64 %r31;
|
||||
ld.param.u64 %ar1, [%in_ar1];
|
||||
mov.u64 %r26, %ar1;
|
||||
add.u64 %r28, %r26, 8;
|
||||
{
|
||||
.param.u64 %retval_in;
|
||||
.param.u64 %out_arg0;
|
||||
st.param.u64 [%out_arg0], %r28;
|
||||
call (%retval_in), malloc, (%out_arg0);
|
||||
ld.param.u64 %r29, [%retval_in];
|
||||
}
|
||||
st.u64 [%r29], %r26;
|
||||
add.u64 %r31, %r29, 8;
|
||||
mov.u64 %retval, %r31;
|
||||
st.param.u64 [%out_retval], %retval;
|
||||
ret;
|
||||
}
|
||||
26
libgcc/config/nvptx/nvptx-malloc.h
Normal file
26
libgcc/config/nvptx/nvptx-malloc.h
Normal file
@ -0,0 +1,26 @@
|
||||
/* Declarations for the malloc wrappers.
|
||||
|
||||
Copyright (C) 2014 Free Software Foundation, Inc.
|
||||
|
||||
This file 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.
|
||||
|
||||
This file is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
General Public License for more details.
|
||||
|
||||
Under Section 7 of GPL version 3, you are granted additional
|
||||
permissions described in the GCC Runtime Library Exception, version
|
||||
3.1, as published by the Free Software Foundation.
|
||||
|
||||
You should have received a copy of the GNU General Public License and
|
||||
a copy of the GCC Runtime Library Exception along with this program;
|
||||
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
extern void __nvptx_free (void *);
|
||||
extern void *__nvptx_malloc (size_t);
|
||||
extern void *__nvptx_realloc (void *, size_t);
|
||||
51
libgcc/config/nvptx/realloc.c
Normal file
51
libgcc/config/nvptx/realloc.c
Normal file
@ -0,0 +1,51 @@
|
||||
/* Implement realloc with the help of the malloc and free wrappers.
|
||||
|
||||
Copyright (C) 2014 Free Software Foundation, Inc.
|
||||
|
||||
This file 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.
|
||||
|
||||
This file is distributed in the hope that it will be useful, but
|
||||
WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
General Public License for more details.
|
||||
|
||||
Under Section 7 of GPL version 3, you are granted additional
|
||||
permissions described in the GCC Runtime Library Exception, version
|
||||
3.1, as published by the Free Software Foundation.
|
||||
|
||||
You should have received a copy of the GNU General Public License and
|
||||
a copy of the GCC Runtime Library Exception along with this program;
|
||||
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include "nvptx-malloc.h"
|
||||
|
||||
void *
|
||||
__nvptx_realloc (void *ptr, size_t newsz)
|
||||
{
|
||||
if (newsz == 0)
|
||||
{
|
||||
__nvptx_free (ptr);
|
||||
return NULL;
|
||||
}
|
||||
void *newptr = __nvptx_malloc (newsz);
|
||||
|
||||
size_t oldsz;
|
||||
if (ptr == NULL)
|
||||
oldsz = 0;
|
||||
else
|
||||
{
|
||||
size_t *sp = __extension__ (size_t *)(ptr - 8);
|
||||
oldsz = *sp;
|
||||
}
|
||||
if (oldsz != 0)
|
||||
memcpy (newptr, ptr, oldsz > newsz ? newsz : oldsz);
|
||||
|
||||
__nvptx_free (ptr);
|
||||
return newptr;
|
||||
}
|
||||
9
libgcc/config/nvptx/t-nvptx
Normal file
9
libgcc/config/nvptx/t-nvptx
Normal file
@ -0,0 +1,9 @@
|
||||
LIB2ADD=$(srcdir)/config/nvptx/malloc.asm \
|
||||
$(srcdir)/config/nvptx/free.asm \
|
||||
$(srcdir)/config/nvptx/realloc.c
|
||||
|
||||
LIB2ADDEH=
|
||||
LIB2FUNCS_EXCLUDE=__main
|
||||
|
||||
crt0.o: $(srcdir)/config/nvptx/crt0.s
|
||||
cp $< $@
|
||||
@ -24,13 +24,15 @@ $(error Unsupported file type: $o)
|
||||
endif
|
||||
endif
|
||||
|
||||
as_flags-$o := -xassembler$(if $(filter .S,$(suffix $o)),-with-cpp)
|
||||
|
||||
$(base)$(objext): $o $(base).vis
|
||||
$(gcc_compile) -c -xassembler-with-cpp -include $*.vis $<
|
||||
$(gcc_compile) -c $(as_flags-$<) -include $*.vis $<
|
||||
|
||||
$(base).vis: $(base)_s$(objext)
|
||||
$(gen-hide-list)
|
||||
|
||||
$(base)_s$(objext): $o
|
||||
$(gcc_s_compile) -c -xassembler-with-cpp $<
|
||||
$(gcc_s_compile) -c $(as_flags-$<) $<
|
||||
|
||||
endif
|
||||
|
||||
@ -24,13 +24,15 @@ $(error Unsupported file type: $o)
|
||||
endif
|
||||
endif
|
||||
|
||||
as_flags-$o := -xassembler$(if $(filter .S,$(suffix $o)),-with-cpp)
|
||||
|
||||
$(base)$(objext): $o $(base).vis
|
||||
$(gcc_compile) -c -xassembler-with-cpp -include $*.vis $<
|
||||
$(gcc_compile) -c $(as_flags-$<) -include $*.vis $<
|
||||
|
||||
$(base).vis: $(base)_s$(objext)
|
||||
$(gen-hide-list)
|
||||
|
||||
$(base)_s$(objext): $o
|
||||
$(gcc_s_compile) -c -xassembler-with-cpp $<
|
||||
$(gcc_s_compile) -c $(as_flags-$<) $<
|
||||
|
||||
endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user