cygwin gcc bug: stack-arg-probe (alloca) logic clobbers regparm
Christopher Faylor
cgf-cygwin@cygwin.com
Mon Jun 3 20:00:00 GMT 2002
On Mon, Jun 03, 2002 at 07:39:52PM -0700, Fish wrote:
>Whenever I define a function with the regparm(n) attribute it appears
>gcc prologue code sometimes clobbers one of my parameter registers
>producing incorrect results.
Yep. It's a known bug in gcc 2.95.3, I believe.
It may be fixed in gcc 3.1 (which should be released in a week or two)
but I don't know for sure.
cgf
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