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On Tue, 21 Sep 2010 17:17:10 -0500 |
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Paul Hartman <paul.hartman+gentoo@×××××.com> wrote: |
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> |
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> In GCC 4.4.4 at least, that is undocumented. In docs sources |
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> (gcc/common.opt) there is this section: |
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> |
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> ; This option is not documented yet as its semantics will change. |
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> fgraphite |
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> Common Report Var(flag_graphite) |
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> Enable in and out of Graphite representation |
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> |
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The GCC-4.5.1 gcc/common.opt file has the same entry, so nothing |
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has changed. |
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The -fgraphite may be used by developers to debug the gcc code |
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itself as I have seen it used in conjunction with some other |
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undocumented dump options (-fdump-tree-graphite-all). |
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But for those who may want a brief synopsis of both Graphite and |
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LTO, check this thread: |
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http://www.phoronix.com/forums/showthread.php?t=20641#post102275 |
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As with any forum, the information may not be totally accurate |
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but it's a good place to start. |
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Frank Peters |
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