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Re: [PATCH 6/n] OpenMP 4.0 offloading infrastructure: option handling
- From: Richard Biener <rguenther at suse dot de>
- To: Thomas Schwinge <thomas at codesourcery dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Tue, 14 Jul 2015 22:10:20 +0200
- Subject: Re: [PATCH 6/n] OpenMP 4.0 offloading infrastructure: option handling
- Authentication-results: sourceware.org; auth=none
- References: <20141011144900 dot GA16368 at msticlxl57 dot ims dot intel dot com> <20141013101909 dot GT10376 at tucnak dot redhat dot com> <20141013103311 dot GA64058 at msticlxl57 dot ims dot intel dot com> <87d257ducq dot fsf at kepler dot schwinge dot homeip dot net> <87lhjue1lz dot fsf at schwinge dot name> <87zj7lc9k4 dot fsf at schwinge dot name> <87618hv9j2 dot fsf at schwinge dot name> <553F89F8 dot 4080609 at codesourcery dot com> <87iocerjdt dot fsf at schwinge dot name> <87a8uyzeuj dot fsf at kepler dot schwinge dot homeip dot net>
On July 14, 2015 10:03:32 PM GMT+02:00, Thomas Schwinge <thomas@codesourcery.com> wrote:
>Hi!
>
>OK for gcc-5-branch?
OK
Richard
>On Wed, 29 Apr 2015 18:26:06 +0200, I wrote:
>> Committed in r222583:
>>
>> commit df615909263269988fd9611f8d007902580829d9
>> Author: tschwinge <tschwinge@138bc75d-0d04-0410-961f-82ee72b054a4>
>> Date: Wed Apr 29 16:23:26 2015 +0000
>>
>> [PR libgomp/65099] nvptx mkoffload: pass "-m32" or "-m64" to the
>compiler
>>
>> ... depending on "-foffload-abi=[...]".
>>
>> Coding style/code copied from
>gcc/config/i386/intelmic-mkoffload.c for
>> consistency.
>>
>> gcc/
>> * config/nvptx/mkoffload.c (target_ilp32): New variable.
>> (main): Set it depending on "-foffload-abi=[...]".
>> (compile_native, main): Use it to pass "-m32" or "-m64" to the
>> compiler.
>>
>> git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@222583
>138bc75d-0d04-0410-961f-82ee72b054a4
>> ---
>> gcc/ChangeLog | 8 ++++++++
>> gcc/config/nvptx/mkoffload.c | 18 +++++++++++++++++-
>> 2 files changed, 25 insertions(+), 1 deletion(-)
>>
>> diff --git gcc/ChangeLog gcc/ChangeLog
>> index aaa06c3..d7455e4 100644
>> --- gcc/ChangeLog
>> +++ gcc/ChangeLog
>> @@ -1,3 +1,11 @@
>> +2015-04-29 Thomas Schwinge <thomas@codesourcery.com>
>> +
>> + PR libgomp/65099
>> + * config/nvptx/mkoffload.c (target_ilp32): New variable.
>> + (main): Set it depending on "-foffload-abi=[...]".
>> + (compile_native, main): Use it to pass "-m32" or "-m64" to the
>> + compiler.
>> +
>> 2015-04-29 Alan Lawrence <alan.lawrence@arm.com>
>>
>> PR target/65770
>> diff --git gcc/config/nvptx/mkoffload.c gcc/config/nvptx/mkoffload.c
>> index dbc68bc..8687154 100644
>> --- gcc/config/nvptx/mkoffload.c
>> +++ gcc/config/nvptx/mkoffload.c
>> @@ -126,6 +126,9 @@ static id_map *var_ids, **vars_tail = &var_ids;
>> static const char *ptx_name;
>> static const char *ptx_cfile_name;
>>
>> +/* Shows if we should compile binaries for i386 instead of x86-64.
>*/
>> +bool target_ilp32 = false;
>> +
>> /* Delete tempfiles. */
>>
>> /* Unlink a temporary file unless requested otherwise. */
>> @@ -885,6 +888,7 @@ compile_native (const char *infile, const char
>*outfile, const char *compiler)
>> struct obstack argv_obstack;
>> obstack_init (&argv_obstack);
>> obstack_ptr_grow (&argv_obstack, compiler);
>> + obstack_ptr_grow (&argv_obstack, target_ilp32 ? "-m32" : "-m64");
>> obstack_ptr_grow (&argv_obstack, infile);
>> obstack_ptr_grow (&argv_obstack, "-c");
>> obstack_ptr_grow (&argv_obstack, "-o");
>> @@ -962,11 +966,23 @@ main (int argc, char **argv)
>> passed with @file. Expand them into argv before processing.
>*/
>> expandargv (&argc, &argv);
>>
>> + /* Find out whether we should compile binaries for i386 or x86-64.
> */
>> + for (int i = argc - 1; i > 0; i--)
>> + if (strncmp (argv[i], "-foffload-abi=", sizeof
>("-foffload-abi=") - 1) == 0)
>> + {
>> + if (strstr (argv[i], "ilp32"))
>> + target_ilp32 = true;
>> + else if (!strstr (argv[i], "lp64"))
>> + fatal_error (input_location,
>> + "unrecognizable argument of option -foffload-abi");
>> + break;
>> + }
>> +
>> struct obstack argv_obstack;
>> obstack_init (&argv_obstack);
>> obstack_ptr_grow (&argv_obstack, driver);
>> obstack_ptr_grow (&argv_obstack, "-xlto");
>> - obstack_ptr_grow (&argv_obstack, "-m64");
>> + obstack_ptr_grow (&argv_obstack, target_ilp32 ? "-m32" : "-m64");
>> obstack_ptr_grow (&argv_obstack, "-S");
>>
>> for (int ix = 1; ix != argc; ix++)
>
>
>GrÃÃe,
> Thomas