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common.opt (fuse-linker-plugin): New option.

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2009-10-28  Rafael Avila de Espindola  <espindola@google.com>

	* common.opt (fuse-linker-plugin): New option.
	* gcc.c (LINK_COMMAND_SPEC, main): Rename use-linker-plugin to
	fuse-linker-plugin.
	* opts.c (common_handle_option): Ignore OPT_fuse_linker_plugin.

From-SVN: r153683
This commit is contained in:
Rafael Avila de Espindola 2009-10-28 18:40:42 +00:00 • committed by Rafael Espindola
parent 160594b061
commit da18ea94d9
4 changed files with 19 additions and 5 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2009-10-28 Rafael Avila de Espindola <espindola@google.com>
* common.opt (fuse-linker-plugin): New option.
* gcc.c (LINK_COMMAND_SPEC, main): Rename use-linker-plugin to
fuse-linker-plugin.
* opts.c (common_handle_option): Ignore OPT_fuse_linker_plugin.
2009-10-28 Paolo Bonzini <bonzini@gnu.org>
PR rtl-optimization/39715

3
gcc/common.opt
View file

@ -1391,6 +1391,9 @@ funwind-tables
Common Report Var(flag_unwind_tables) Optimization
Just generate unwind tables for exception handling
fuse-linker-plugin
Common Undocumented
fvar-tracking
Common Report Var(flag_var_tracking) VarExists Optimization
Perform variable tracking

10
gcc/gcc.c
View file

@ -770,7 +770,7 @@ proper position among the other output files. */
#define LINK_COMMAND_SPEC "\
%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
%(linker) \
%{use-linker-plugin: \
%{fuse-linker-plugin: \
-plugin %(linker_plugin_file) \
-plugin-opt=%(lto_wrapper) \
-plugin-opt=%(lto_gcc) \
@ -7513,7 +7513,7 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"
if (num_linker_inputs > 0 && error_count == 0 && print_subprocess_help < 2)
{
int tmp = execution_count;
const char *use_linker_plugin = "use-linker-plugin";
const char *fuse_linker_plugin = "fuse-linker-plugin";
/* We'll use ld if we can't find collect2. */
if (! strcmp (linker_name_spec, "collect2"))
@ -7523,14 +7523,14 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"
linker_name_spec = "ld";
}
if (switch_matches (use_linker_plugin,
use_linker_plugin + strlen (use_linker_plugin), 0))
if (switch_matches (fuse_linker_plugin,
fuse_linker_plugin + strlen (fuse_linker_plugin), 0))
{
linker_plugin_file_spec = find_a_file (&exec_prefixes,
"liblto_plugin.so", X_OK,
false);
if (!linker_plugin_file_spec)
fatal ("-use-linker-plugin, but liblto_plugin.so not found");
fatal ("-fuse-linker-plugin, but liblto_plugin.so not found");
lto_libgcc_spec = find_a_file (&startfile_prefixes, "libgcc.a",
R_OK, true);

4
gcc/opts.c
View file

@ -2102,6 +2102,10 @@ common_handle_option (size_t scode, const char *arg, int value,
/* These are no-ops, preserved for backward compatibility. */
break;
case OPT_fuse_linker_plugin:
/* No-op. Used by the driver and passed to us because it starts with f.*/
break;
default:
/* If the flag was handled in a standard way, assume the lack of
processing here is intentional. */