[Bug 1740] Change PowerPC multi-libs for e200 and e500 cores

[bugzilla-daemon at rtems.org]

https://www.rtems.org/bugzilla/show_bug.cgi?id=1740

--- Comment #10 from Ralf Corsepius <ralf.corsepius at rtems.org> 2011-02-22 10:04:25 CST ---
(In reply to comment #9)
> Created an attachment (id=1111)
 --> (https://www.rtems.org/bugzilla/attachment.cgi?id=1111) [details]
> Patch against GCC 4.5.2.

> (1) -mcpu=8540 -msoft-float
> (2) -mcpu=8540 -mspe -mabi=spe -mfloat-gprs=single
> (3) -mcpu=8540 -mspe -mabi=spe -mfloat-gprs=double

> The paranoia test program works with all three variants.  Only (1) is full IEEE
> 754 conform,

I guess you are not aware what you are saying here?

Current newlib requires IEEE 754-floats

=> This gprs stuff is a dead-born child.

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