Date: Thu, 15 Jun 2000 20:29:42 -0700 (PDT) From: yakisoba@f2.dion.ne.jp To: freebsd-gnats-submit@FreeBSD.org Subject: gnu/19326: Fix GCC Target Macro 'i386/freebsd.h'. Message-ID: <20000616032942.775D737BD00@hub.freebsd.org>
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>Number: 19326
>Category: gnu
>Synopsis: Fix GCC Target Macro 'i386/freebsd.h'.
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Thu Jun 15 20:30:01 PDT 2000
>Closed-Date:
>Last-Modified:
>Originator: Naohiko Tsuji
>Release: FreeBSD 4.0-STABLE i386
>Organization:
>Environment:
__FreeBSD_version >= 400012 (GCC 2.95.X and later)
>Description:
GCC 2.95 or later, document 'description' field added to
'TARGET_SWITCHES' and 'TARGET_OPTIONS' structure.
But 'i386/freebsd.h' is not added the field.
=== i386/i386.h with GCC 2.95.2 ===
...
#define TARGET_SWITCHES \
{ { "80387", MASK_80387, "Use hardware fp" }, \
^^^^^^^^^^^^^^^^^^^
{ "no-80387", -MASK_80387, "Do not use hardware fp" },\
...
SUBTARGET_SWITCHES \
{ "", MASK_SCHEDULE_PROLOGUE | TARGET_DEFAULT, 0 }}
...
=== i386/freebsd.h rev 1.34 ===
...
#undef SUBTARGET_SWITCHES
#define SUBTARGET_SWITCHES \
{ "profiler-epilogue", MASK_PROFILER_EPILOGUE}, \
{ "no-profiler-epilogue", -MASK_PROFILER_EPILOGUE}, \
{ "aout", MASK_AOUT}, \
{ "no-aout", -MASK_AOUT}, \
{ "underscores", MASK_UNDERSCORES}, \
{ "no-underscores", -MASK_UNDERSCORES},
...
>How-To-Repeat:
>Fix:
Add Null field.
=== i386/freebsd.h ===
...
#undef SUBTARGET_SWITCHES
#define SUBTARGET_SWITCHES \
{ "profiler-epilogue", MASK_PROFILER_EPILOGUE, "" }, \
... ^^^^
Or add pretty good 'description'.
=== i386/freebsd.h ===
...
#undef SUBTARGET_SWITCHES
#define SUBTARGET_SWITCHES \
{ "profiler-epilogue", MASK_PROFILER_EPILOGUE, "Function profiler epilogue" },\
...
So print it like below.
yakisoba % gcc -v --help
...
Target specific options:
...
-mno-80387 Do not use hardware fp
-m80387 Use hardware fp
...
-mprofiler-epilogue Function profiler epilogue
...
>Release-Note:
>Audit-Trail:
>Unformatted:
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