nvptx-protos.h (nvptx_output_aligned_decl): Declare.
gcc/ * config/nvptx/nvptx-protos.h (nvptx_output_aligned_decl): Declare. * config/nvptx/nvptx.h (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): Forward to nvptx_output_aligned_decl. * config/nvptx/nvptx.c (write_fn_marker, write_var_marker): New. (write_fn_proto, write_fn_proto_from_insn): Call write_fn_marker. (init_output_initializer): Call write_var_marker. (nvptx_output_aligned_decl): New. (nvptx_assemble_undefined_decl, nvptx_file_end): Call write_var_marker. gcc/testsuite/ * gcc.target/nvptx/uninit-decl.c: New. From-SVN: r231127
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Nathan Sidwell
Nathan Sidwell
parent
9dc39706b4
commit
69823d7678
@ -1,3 +1,14 @@
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2015-12-01 Nathan Sidwell <nathan@acm.org>
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* config/nvptx/nvptx-protos.h (nvptx_output_aligned_decl): Declare.
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* config/nvptx/nvptx.h (ASM_OUTPUT_ALIGNED_DECL_COMMON,
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ASM_OUTPUT_ALIGNED_DECL_LOCAL): Forward to nvptx_output_aligned_decl.
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* config/nvptx/nvptx.c (write_fn_marker, write_var_marker): New.
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(write_fn_proto, write_fn_proto_from_insn): Call write_fn_marker.
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(init_output_initializer): Call write_var_marker.
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(nvptx_output_aligned_decl): New.
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(nvptx_assemble_undefined_decl, nvptx_file_end): Call write_var_marker.
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2015-12-01 Jan Hubicka <hubicka@ucw.cz>
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* c-common.c (parse_optimize_options): Do not silently ignore
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@ -24,11 +24,13 @@
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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_output_aligned_decl (FILE *file, const char *name,
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const_tree decl,
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HOST_WIDE_INT size, unsigned align);
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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_oacc_fork (unsigned);
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@ -366,6 +366,31 @@ write_as_kernel (tree attrs)
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|| lookup_attribute ("omp target entrypoint", attrs) != NULL_TREE);
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}
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/* Emit a linker marker for a function decl or defn. */
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static void
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write_fn_marker (std::stringstream &s, bool is_defn, bool globalize,
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const char *name)
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{
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s << "\n// BEGIN";
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if (globalize)
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s << " GLOBAL";
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s << " FUNCTION " << (is_defn ? "DEF: " : "DECL: ");
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s << name << "\n";
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}
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/* Emit a linker marker for a variable decl or defn. */
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static void
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write_var_marker (FILE *file, bool is_defn, bool globalize, const char *name)
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{
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fprintf (file, "\n// BEGIN%s VAR %s: ",
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globalize ? " GLOBAL" : "",
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is_defn ? "DEF" : "DECL");
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assemble_name_raw (file, name);
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fputs ("\n", file);
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}
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/* Write a .func or .kernel declaration or definition along with
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a helper comment for use by ld. S is the stream to write to, DECL
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the decl for the function with name NAME. For definitions, emit
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@ -386,11 +411,7 @@ write_fn_proto (std::stringstream &s, bool is_defn,
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name++;
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}
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/* Emit the linker marker. */
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s << "\n// BEGIN";
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if (TREE_PUBLIC (decl))
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s << " GLOBAL";
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s << " FUNCTION " << (is_defn ? "DEF" : "DECL") << ": " << name << "\n";
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write_fn_marker (s, is_defn, TREE_PUBLIC (decl), name);
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/* PTX declaration. */
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if (DECL_EXTERNAL (decl))
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@ -500,7 +521,7 @@ write_fn_proto_from_insn (std::stringstream &s, const char *name,
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else
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{
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name = nvptx_name_replacement (name);
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s << "\n// BEGIN GLOBAL FUNCTION DECL: " << name << "\n";
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write_fn_marker (s, false, true, name);
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s << "\t.extern .func ";
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}
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@ -1638,9 +1659,7 @@ static void
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init_output_initializer (FILE *file, const char *name, const_tree type,
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bool is_public)
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{
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fprintf (file, "\n// BEGIN%s VAR DEF: ", is_public ? " GLOBAL" : "");
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assemble_name_raw (file, name);
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fputc ('\n', file);
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write_var_marker (file, true, is_public, name);
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if (TREE_CODE (type) == ARRAY_TYPE)
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type = TREE_TYPE (type);
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@ -1658,6 +1677,27 @@ init_output_initializer (FILE *file, const char *name, const_tree type,
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object_finished = false;
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}
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/* Output an uninitialized common or file-scope variable. */
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void
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nvptx_output_aligned_decl (FILE *file, const char *name,
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const_tree decl, HOST_WIDE_INT size, unsigned align)
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{
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write_var_marker (file, true, TREE_PUBLIC (decl), name);
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/* If this is public, it is common. The nearest thing we have to
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common is weak. */
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if (TREE_PUBLIC (decl))
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fprintf (file, ".weak ");
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const char *sec = nvptx_section_for_decl (decl);
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fprintf (file, "%s.align %d .b8 ", sec, align / BITS_PER_UNIT);
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assemble_name (file, name);
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if (size > 0)
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fprintf (file, "[" HOST_WIDE_INT_PRINT_DEC"]", size);
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fprintf (file, ";\n");
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}
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/* Implement TARGET_ASM_DECLARE_CONSTANT_NAME. Begin the process of
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writing a constant variable EXP with NAME and SIZE and its
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initializer to FILE. */
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@ -1720,11 +1760,10 @@ nvptx_assemble_undefined_decl (FILE *file, const char *name, const_tree decl)
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{
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if (TREE_CODE (decl) != VAR_DECL)
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return;
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write_var_marker (file, false, TREE_PUBLIC (decl), name);
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const char *section = nvptx_section_for_decl (decl);
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fprintf (file, "\n// BEGIN%s VAR DECL: ",
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TREE_PUBLIC (decl) ? " GLOBAL" : "");
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assemble_name_raw (file, name);
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fputs ("\n", file);
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HOST_WIDE_INT size = int_size_in_bytes (TREE_TYPE (decl));
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fprintf (file, ".extern %s .b8 ", section);
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assemble_name_raw (file, name);
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@ -3876,7 +3915,7 @@ nvptx_file_end (void)
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worker_bcast_size = (worker_bcast_size + worker_bcast_align - 1)
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& ~(worker_bcast_align - 1);
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fprintf (asm_out_file, "\n// BEGIN VAR DEF: %s\n", worker_bcast_name);
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write_var_marker (asm_out_file, true, false, worker_bcast_name);
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fprintf (asm_out_file, ".shared .align %d .u8 %s[%d];\n",
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worker_bcast_align,
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worker_bcast_name, worker_bcast_size);
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@ -3888,8 +3927,8 @@ nvptx_file_end (void)
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worker_red_size = ((worker_red_size + worker_red_align - 1)
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& ~(worker_red_align - 1));
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fprintf (asm_out_file, "\n// BEGIN VAR DEF: %s\n", worker_red_name);
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write_var_marker (asm_out_file, true, false, worker_red_name);
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fprintf (asm_out_file, ".shared .align %d .u8 %s[%d];\n",
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worker_red_align,
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worker_red_name, worker_red_size);
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@ -304,38 +304,11 @@ struct GTY(()) machine_function
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#undef ASM_OUTPUT_ALIGNED_DECL_COMMON
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#define ASM_OUTPUT_ALIGNED_DECL_COMMON(FILE, DECL, NAME, SIZE, ALIGN) \
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do \
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{ \
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fprintf (FILE, "\n// BEGIN%s VAR DEF: ", \
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TREE_PUBLIC (DECL) ? " GLOBAL" : ""); \
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assemble_name_raw (FILE, NAME); \
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fputc ('\n', FILE); \
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const char *sec = nvptx_section_for_decl (DECL); \
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fprintf (FILE, ".visible%s.align %d .b8 ", sec, \
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(ALIGN) / BITS_PER_UNIT); \
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assemble_name ((FILE), (NAME)); \
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if ((SIZE) > 0) \
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fprintf (FILE, "[" HOST_WIDE_INT_PRINT_DEC"]", (SIZE)); \
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fprintf (FILE, ";\n"); \
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} \
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while (0)
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nvptx_output_aligned_decl (FILE, NAME, DECL, SIZE, ALIGN)
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#undef ASM_OUTPUT_ALIGNED_DECL_LOCAL
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#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \
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do \
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{ \
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fprintf (FILE, "\n// BEGIN VAR DEF: "); \
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assemble_name_raw (FILE, NAME); \
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fputc ('\n', FILE); \
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const char *sec = nvptx_section_for_decl (DECL); \
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fprintf (FILE, ".visible%s.align %d .b8 ", sec, \
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(ALIGN) / BITS_PER_UNIT); \
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assemble_name ((FILE), (NAME)); \
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if ((SIZE) > 0) \
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fprintf (FILE, "[" HOST_WIDE_INT_PRINT_DEC"]", (SIZE)); \
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fprintf (FILE, ";\n"); \
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} \
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while (0)
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nvptx_output_aligned_decl (FILE, NAME, DECL, SIZE, ALIGN)
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#define CASE_VECTOR_PC_RELATIVE flag_pic
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#define JUMP_TABLES_IN_TEXT_SECTION flag_pic
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@ -1,3 +1,7 @@
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2015-12-01 Nathan Sidwell <nathan@acm.org>
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* gcc.target/nvptx/uninit-decl.c: New.
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2015-12-01 Jan Hubicka <hubicka@ucw.cz>
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* gcc.c-torture/execute/alias-1.c: New testcase.
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7
gcc/testsuite/gcc.target/nvptx/uninit-decl.c
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7
gcc/testsuite/gcc.target/nvptx/uninit-decl.c
Normal file
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/* { dg-do compile } */
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int __attribute__ ((used)) common;
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static int __attribute__ ((used)) local;
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/* { dg-final { scan-assembler ".weak .global\[^,\n\r\]*common" } } */
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/* { dg-final { scan-assembler "\[\n\r\].global\[^,\n\r\]*local" } } */
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