[Tinycc-devel] Some fixes for x86_64 and general code to enable compiling GCC

[Michael Matz]

Hi,

I was bored the last weekend and stumbled over tinycc, tried compiling GCC with 
it, which breaks in multiple ways, sometimes not parsing stuff, sometimes 
miscompiling it, and thought about hacking some other compiler than GCC :)  I 
just pushed nine patches to mob to fix all the problems I encountered (also 
attached for reference).

I've added testcases for all the issues to tcctest.c.

I can now build current GCC (well, r186469 plus a modification, see below) with 
tinycc on x86_64 (all language frontends written in C, i.e. c, c++, objc, 
objc++ and fortran), and that so built GCC is able to compile all its own 
target libraries.

The nice thing is that I even found a real bug in GCC (fixing it is required to 
make it work with tinycc on x86_64), which I'm going to apply upstream later, 
but for completeness I attach it here too in case anyone wants to play with it 
right now (fix-diag-vaend.diff) :)


Have fun,
Michael.

0001-Fix-conversion-in-a-0-ptr.patch
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0002-Fix-bitfield-loads-into-char-short.patch
Description: Text Data

0003-x86_64-Fix-indirection-in-struct-paramaters.patch
Description: Text Data

0004-x86_64-Fix-segfault-for-global-data.patch
Description: Text Data

0005-Fix-detection-of-labels-with-a-typedef-name.patch
Description: Text Data

0006-Fix-parsing-function-macro-invocations.patch
Description: Text Data

0007-x86_64-Implement-GET_CALLER_FP.patch
Description: Text Data

0008-Make-sizeof-be-of-type-size_t.patch
Description: Text Data

0009-Fix-comparing-comparisons.patch
Description: Text Data

fix-diag-vaend.diff
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