[Bug target/39079] MIPS: __builtin___clear_cache() broken on SMP ISA_HAS_SYNCI systems.

[daney at gcc dot gnu dot org]

------- Comment #2 from daney at gcc dot gnu dot org  2009-07-10 22:50 -------
Subject: Bug 39079

Author: daney
Date: Fri Jul 10 22:49:52 2009
New Revision: 149500

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=149500
Log:
2009-07-10  David Daney  <ddaney@caviumnetworks.com>

        PR target/39079
        * testsuite/gcc.target/mips/mips.exp: Make -msynci a known option.
        * gcc.target/mips/clear-cache-1.c (dg-options): Add -msynci.

2009-07-10  David Daney  <ddaney@caviumnetworks.com>

        PR target/39079
        * config.gcc (supported_defaults): Add synci.
        (with_synci): Add validation.
        (all_defaults): Add synci.
        * config/mips/mips.md (clear_cache): Use TARGET_SYNCI instead of
        ISA_HAS_SYNCI.
        (synci): Same.
        * config/mips/mips.opt (msynci): New option.
        * config/mips/mips.c (mips_override_options): Warn on use of
        -msynci for targets that do now support it.
        * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
        msynci.
        * gcc/doc/invoke.texi (-msynci): Document the new option.
        * doc/install.texi (--with-synci): Document the new option.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config.gcc
    trunk/gcc/config/mips/mips.c
    trunk/gcc/config/mips/mips.h
    trunk/gcc/config/mips/mips.md
    trunk/gcc/config/mips/mips.opt
    trunk/gcc/doc/install.texi
    trunk/gcc/doc/invoke.texi
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/mips/clear-cache-1.c
    trunk/gcc/testsuite/gcc.target/mips/mips.exp


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39079