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collect2.c (linker_select): Add USE_LLD_LD.

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* collect2.c (linker_select):  Add USE_LLD_LD.
	(ld_suffixes): Add ld.lld.
	(main): Handle -fuse-ld=lld.
	* common.opt (-fuse-ld=lld): New option.
	* doc/invoke.texi (-fuse-ld=lld): Document.
	* opts.c (common_handle_option): Handle OPT_fuse_ld_lld.

From-SVN: r265940
This commit is contained in:
Roman Geissler 2018-11-08 22:05:27 +00:00 committed by Jeff Law
parent d28441a7e7
commit d69ac8b7f8
5 changed files with 26 additions and 3 deletions
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9
gcc/ChangeLog
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@ -4,6 +4,15 @@
* doc/invoke.texi (Optimize Options): Clarify default behavior
for -fno-sched-interblock and -fno-sched-spec.
2018-11-08 Roman Geissler <roman.geissler@amadeus.com>
* collect2.c (linker_select): Add USE_LLD_LD.
(ld_suffixes): Add ld.lld.
(main): Handle -fuse-ld=lld.
* common.opt (-fuse-ld=lld): New option.
* doc/invoke.texi (-fuse-ld=lld): Document.
* opts.c (common_handle_option): Handle OPT_fuse_ld_lld.
2018-11-08 Paul Koning <ni1d@arrl.net>
* config/pdp11/constraints.md: Add "Z" series constraints for use

11
gcc/collect2.c
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@ -831,6 +831,7 @@ main (int argc, char **argv)
USE_PLUGIN_LD,
USE_GOLD_LD,
USE_BFD_LD,
USE_LLD_LD,
USE_LD_MAX
} selected_linker = USE_DEFAULT_LD;
static const char *const ld_suffixes[USE_LD_MAX] =
@ -838,7 +839,8 @@ main (int argc, char **argv)
"ld",
PLUGIN_LD_SUFFIX,
"ld.gold",
"ld.bfd"
"ld.bfd",
"ld.lld"
};
static const char *const real_ld_suffix = "real-ld";
static const char *const collect_ld_suffix = "collect-ld";
@ -1007,6 +1009,8 @@ main (int argc, char **argv)
selected_linker = USE_BFD_LD;
else if (strcmp (argv[i], "-fuse-ld=gold") == 0)
selected_linker = USE_GOLD_LD;
else if (strcmp (argv[i], "-fuse-ld=lld") == 0)
selected_linker = USE_LLD_LD;
#ifdef COLLECT_EXPORT_LIST
/* These flags are position independent, although their order
@ -1096,7 +1100,8 @@ main (int argc, char **argv)
/* Maybe we know the right file to use (if not cross). */
ld_file_name = 0;
#ifdef DEFAULT_LINKER
if (selected_linker == USE_BFD_LD || selected_linker == USE_GOLD_LD)
if (selected_linker == USE_BFD_LD || selected_linker == USE_GOLD_LD ||
selected_linker == USE_LLD_LD)
{
char *linker_name;
# ifdef HOST_EXECUTABLE_SUFFIX
@ -1315,7 +1320,7 @@ main (int argc, char **argv)
else if (!use_collect_ld
&& strncmp (arg, "-fuse-ld=", 9) == 0)
{
/* Do not pass -fuse-ld={bfd|gold} to the linker. */
/* Do not pass -fuse-ld={bfd|gold|lld} to the linker. */
ld1--;
ld2--;
}

4
gcc/common.opt
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@ -2732,6 +2732,10 @@ fuse-ld=gold
Common Driver Negative(fuse-ld=bfd)
Use the gold linker instead of the default linker.
fuse-ld=lld
Common Driver Negative(fuse-ld=lld)
Use the lld LLVM linker instead of the default linker.
fuse-linker-plugin
Common Undocumented Var(flag_use_linker_plugin)

4
gcc/doc/invoke.texi
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@ -12610,6 +12610,10 @@ Use the @command{bfd} linker instead of the default linker.
@opindex fuse-ld=gold
Use the @command{gold} linker instead of the default linker.
@item -fuse-ld=lld
@opindex fuse-ld=lld
Use the LLVM @command{lld} linker instead of the default linker.
@cindex Libraries
@item -l@var{library}
@itemx -l @var{library}

1
gcc/opts.c
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@ -2557,6 +2557,7 @@ common_handle_option (struct gcc_options *opts,
case OPT_fuse_ld_bfd:
case OPT_fuse_ld_gold:
case OPT_fuse_ld_lld:
case OPT_fuse_linker_plugin:
/* No-op. Used by the driver and passed to us because it starts with f.*/
break;