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Compiler Reference Guide
Conventions and Feedback
Introduction
Compiler Command-line Options
-Aopt
--allow_fpreg_for_nonfpdata, --no_allow_fpreg_for_
--allow_null_this, --no_allow_null_this
--alternative_tokens, --no_alternative_tokens
--anachronisms, --no_anachronisms
--apcs=qualifer...qualifier
--arm
--arm_only
--asm
--asm_dir=directory_name
--autoinline, --no_autoinline
--bigend
--bitband
--brief_diagnostics, --no_brief_diagnostics
--bss_threshold=num
-c
-C
--c90
--c99
--code_gen, --no_code_gen
--compatible=name
--compile_all_input, --no_compile_all_input
--conditionalize, --no_conditionalize
--cpp
--cpu=list
--cpu=name
--create_pch=filename
-Dname[(parm-list)][=def]
--data_reorder, --no_data_reorder
--debug, --no_debug
--debug_macros, --no_debug_macros
--default_extension=ext
--dep_name, --no_dep_name
--depend=filename
--depend_dir=directory_name
--depend_format=string
--depend_single_line, --no_depend_single_line
--depend_system_headers, --no_depend_system_header
--depend_target=target
--diag_error=tag[,tag,...]
--diag_remark=tag[,tag,...]
--diag_style={arm|ide}
--diag_suppress=tag[,tag,...]
--diag_suppress=optimizations
--diag_warning=tag[,tag,...]
--diag_warning=optimizations
--dollar, --no_dollar
--dwarf2
--dwarf3
-E
--echo
--emit_frame_directives, --no_emit_frame_directive
--enum_is_int
--errors=filename
--exceptions, --no_exceptions
--exceptions_unwind, --no_exceptions_unwind
--extended_initializers, --no_extended_initializer
--feedback=filename
--force_new_nothrow, --no_force_new_nothrow
--forceinline
--fp16_format=format
--fpmode=model
--fpu=list
--fpu=name
--friend_injection, --no_friend_injection
-g
--global_reg=reg_name[,reg_name,...]
--guiding_decls, --no_guiding_decls
--help
-Idir[,dir,...]
--ignore_missing_headers
--implicit_include, --no_implicit_include
--implicit_include_searches, --no_implicit_include
--implicit_key_function, --no_implicit_key_functio
--implicit_typename, --no_implicit_typename
--info=totals
--inline, --no_inline
--interface_enums_are_32_bit
--interleave
-Jdir[,dir,...]
--kandr_include
-Lopt
--library_interface=lib
--library_type=lib
--licretry
--link_all_input, --no_link_all_input
--list
--list_dir=directory_name
--list_macros
--littleend
--locale=lang_country
--long_long
--loose_implicit_cast
--lower_ropi, --no_lower_ropi
--lower_rwpi, --no_lower_rwpi
--ltcg
-M
--md
--message_locale=lang_country[.codepage]
--min_array_alignment=opt
--mm
--multibyte_chars, --no_multibyte_chars
--multifile, --no_multifile
--multiply_latency=cycles
--nonstd_qualifier_deduction, --no_nonstd_qualifie
-o filename
-Onum
--old_specializations, --no_old_specializations
--old_style_preprocessing
--omf_browse
-Ospace
-Otime
--output_dir=directory_name
-P
--parse_templates, --no_parse_templates
--pch
--pch_dir=dir
--pch_messages, --no_pch_messages
--pch_verbose, --no_pch_verbose
--pending_instantiations=n
--phony_targets
--pointer_alignment=num
--preinclude=filename
--preprocess_assembly
--preprocessed
--protect_stack, --no_protect_stack
--reassociate_saturation, --no_reassociate_saturat
--reduce_paths, --no_reduce_paths
--remarks
--remove_unneeded_entities, --no_remove_unneeded_e
--restrict, --no_restrict
--retain=option
--rtti, --no_rtti
--rtti_data, --no_rtti_data
-S
--show_cmdline
--signed_bitfields, --unsigned_bitfields
--signed_chars, --unsigned_chars
--split_ldm
--split_sections
--strict, --no_strict
--strict_warnings
--sys_include
--thumb
--trigraphs, --no_trigraphs
--type_traits_helpers, --no_type_traits_helpers
-Uname
--unaligned_access, --no_unaligned_access
--use_frame_pointer
--use_pch=filename
--using_std, --no_using_std
--version_number
--vfe, --no_vfe
--via=filename
--vla, --no_vla
--vsn
-W
--wchar, --no_wchar
--wchar16
--wchar32
--whole_program
--wrap_diagnostics, --no_wrap_diagnostics
Language Extensions
Compiler-specific Features
C and C++ Implementation Details
Semihosting
ARMv6 SIMD Instruction Intrinsics
Via File Syntax
Standard C Implementation Definition
Standard C++ Implementation Definition
C and C++ Compiler Implementation Limits
Compiler Reference Guide
--multifile, --no_multifile
| |||
| Home > Compiler Command-line Options > --multifile, --no_multifile | |||
This option enables or disables multifile compilation.
When --multifile is selected, the compiler
performs optimizations across all files specified on the command
line, instead of on each individual file. The specified files are
compiled into one single object file.
The combined object file is named after the first source file
you specify on the command line. To specify a different name for
the combined object file, use the -o option.filename
An empty object file is created for each subsequent source file specified on the command line to meet the requirements of standard make systems.
Note
Compiling with --multifile has no effect
if only a single source file is specified on the command line.
DefaultWhen --multifile is selected, the compiler
might be able to perform additional optimizations by compiling across
several source files.
There is no limit to the number of source files that can be
specified on the command line, but ten files is a practical limit,
because --multifile requires large amounts of memory
while compiling. For the best optimization results, choose small
groups of functionally related source files.
armcc -c --multifile test1.c ... testn.c -o test.o
The resulting object file is named test.o,
instead of test1.c, and empty object files test2.o to test are
created for each source file n.otest1.c ... test specified
on the command line.n.c
| Copyright © 2007-2008, 2011-2012 ARM. All rights reserved. | ARM DUI 0376D |
| Non-Confidential | ID062912 |
 PDF version | |
| Home > Compiler Command-line Options > --multifile, --no_multifile |
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