Messages in this thread | | | From | "Steve Snyder" <> | Date | Wed, 02 Dec 1998 08:37:27 -0500 (EST) | Subject | egcs and crazy optimizations |
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>Does anyone know if the new egcs-1.1.1 fixes the old problem of compiling >the kernel with crazy optimizations?
My experience with kernels v2.1.1xx and pgcc v1.1a (a derivative of egcs v1.1a) is that "-O6 -fno-risc-const" works great on Intel P5/P6 kernels.
The "fno-risc-const" switch fixes an optimization problem which (I've read) is caused by the small register set of the 80x86 CPUs.
YMMV.
*** Steve Snyder ***
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