| From | Andi Kleen <> | Subject | Re: [x86 setup 13/33] Header file to produce 16-bit code with gcc | Date | Tue, 10 Jul 2007 17:21:58 +0200 |
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On Tuesday 10 July 2007 16:16:29 Segher Boessenkool wrote: > > gcc for i386 can be used with the assembly prefix ".code16gcc" to > > generate > > 16-bit (real-mode) code. This header file provides the assembly > > prefix. > > This only works correctly with newer GCCs if you pass the > -fno-toplevel-reorder option (and it only works on older > GCC versions by accident).
And on older ones (gcc-3.3-hammer / 3.4 / 4.0 ) -fno-unit-at-a-time
Still it seems quite fragile to me agreed.
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