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Re: 3.4 PATCH: Support boehm-gc with pthreads on Tru64 UNIX


On Fri, Jul 11, 2003 at 09:29:33PM +0200, Rainer Orth wrote:
> include/private/gcconfig.h has:
> 
> # ifdef ALPHA
> [...]
> #   ifndef LINUX
> #     define USE_GENERIC_PUSH_REGS
>       /* Gcc and probably the DEC/Compaq compiler spill pointers to preserved */
>       /* fp registers in some cases when the target is a 21264.  The assembly */
>       /* code doesn't handle that yet, and version dependencies make that a   */
>       /* bit tricky.  Do the easy thing for now.				    */
> #   endif
> 
> I'm not sure this is necessary given this change:
> 
> 2001-06-26  Richard Henderson  <rth@redhat.com>
> 
> 	* alpha_mach_dep.s: Mark call-saved FP registers.
> 	* include/private/gcconfig.h (ALPHA): Remove USE_GENERIC_PUSH_REGS.
> 	* configure.in (alpha*): Re-enable alpha_mach_dep.s
> 	* configure: Rebuild.
> 
> Maybe Richard can comment?

It isn't necessary.  My patch did add all the proper code to 
handle the fp registers.


r~


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