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* Make abitest.c have predictable resultThomas Preud'homme2013-11-251-2/+2
| | | | | | | | stdarg_test in abitest.c relies on a sum of some parameters made by both the caller and the callee to reach the same result. However, the variables used to store the temporary result of the additions are not initialized to 0, leading to uncertainty as to the results. This commit add this needed initialization.
* Fixed x86-64 long double passing.James Lyon2013-04-261-0/+19
| | | | | | long double arguments require 16-byte alignment on the stack, which requires adjustment when the the stack offset is not an evven number of 8-byte words.
* 64-bit tests now pass (well, nearly).James Lyon2013-04-241-6/+101
| | | | | tcctest1-3 fail, but this appears to be due to bugs in GCC rather than TCC (from manual inspection of the output).
* Workaround for MinGWs use of 80-bit long double on Win32.James Lyon2013-04-191-2/+21
| | | | | | This is incompatible with MSVC and TCC on Win32. Bounds checking appears to be broken (test4).
* Fixed 64-bit integer bug introduced by x86-64 ABI work.James Lyon2013-04-191-7/+7
| | | | Now I need to check that the x86-64 stuff still works.
* Most x86-64 tests now work; only on error in test1-3.James Lyon2013-04-191-2/+2
| | | | | | I've had to introduce the XMM1 register to get the calling convention to work properly, unfortunately this has broken a fair bit of code which assumes that only XMM0 is used.
* Got test1-3 working on x86-64.James Lyon2013-04-191-0/+110
| | | | | | There are probably still issues on x86-64 I've missed. I've added a few new tests to abitest, which fail (2x long long and 2x double in a struct should be passed in registers).
* x86-64 ABI fixes.James Lyon2013-04-191-4/+59
| | | | | | | | | abitest now passes; however test1-3 fail in init_test. All other tests pass. I need to re-test Win32 and Linux-x86. I've added a dummy implementation of gfunc_sret to c67-gen.c so it should now compile, and I think it should behave as before I created gfunc_sret.
* Added some additional tests to abitest.cJames Lyon2013-04-181-13/+51
| | | | This is just to ensure that I haven't (and don't) really mess anything up.
* Tests in abitest.c now work on Win32.James Lyon2013-04-181-12/+51
| | | | | | | I expect that Linux-x86 is probably fine. All other architectures except ARM are definitely broken since I haven't yet implemented gfunc_sret for these, although replicating the current behaviour should be straightforward.
* Added ABI compatibility tests with native compiler using libtcc.James Lyon2013-04-171-0/+80
Only one test so far, which fails on Windows (with MinGW as the native compiler - I've tested the MinGW output against MSVC and it appears the two are compatible). I've also had to modify tcc.h so that tcc_set_lib_path can point to the directory containing libtcc1.a on Windows to make the libtcc dependent tests work. I'm not sure this is the right way to fix this problem.