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Re: How to teach gcc, that registers are clobbered by api calls?
Are r10-r15 callee-saved in w64ABI?
On Mon, Apr 21, 2008 at 12:48 AM, Kai Tietz <Kai.Tietz@onevision.com> wrote:
> I found, that the problem for an optimized build (by -O2) is broken for
> the x86_64-pc-mingw32 target, because the runtime functions from msvcrt
> are clobbering registers (%r10 upto %r15). I tried to get it solved by
> call_used and fixed_regs, but it seems not to work. May somebody could
> give me a hint how to solve this problem?
> Thanks in advance,
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