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[Tinycc-devel] Pass structures through ?:, test for fp too (grischka-200
David A. Wheeler
[Tinycc-devel] Pass structures through ?:, test for fp too (grischka-2005-09-25 case_1)
Thu, 03 May 2007 13:49:43 -0400 (EDT)
Here's another patch, grischka-2005-09-25 case_1.
This one passes structures through ?:, and adds a test for test for function
pointers too (grischka-2005-09-25 case_1). I suspect that this will fix the
problem compiling Lua just mentioned today.
This patch was originally posted in grischka's 2005-09-25 email as
required fix case_1 to compile gcc 2.95. This adds tests to ensure
that both structures and function pointers can pass through the conditional
operator ?:. The tests were tweaked by David A. Wheeler to merge the test cases
into the standard tcc test suite. This patch also modifies tcc so that
structures can be passed through conditional operators.
Note that this patch does NOT modify tcc to permit function pointers to pass
through ?:, because although such a patch WAS in grischka's patch, an
equivalent change was already in tcc by the time this version of the patch
Oh, the structure passing works b/c it converts to passing addresses. If
someone wants to optimize that further (esp. for small structures that fit in
registers), feel free to do so, but changing "not working" to "working" is WAY
more important than absolute maximum speed. If you want to optimize, this is
not where I'd spend my time :-).
Also, I'm "cc"ing this email to Rob and veritosproject, so that they'll have
this patch in their inbox immediately. Well, assuming that it's not labelled
as spam :-).
--- David A. Wheeler
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