On Fri, Sep 14, 2012 at 01:00:01PM +0000, Joerg Sonnenberger wrote:
> Module Name: src
> Committed By: joerg
> Date: Fri Sep 14 13:00:01 UTC 2012
>
> Modified Files:
> src/external/gpl3/gcc/dist/gcc/config/i386: i386.c netbsd-elf.h
> netbsd64.h
>
> Log Message:
> Fix GCC to correctly implement the i386 psABI on NetBSD.
> This consists of two parts:
> - for NetBSD/i386 and NetBSD/AMD64 with -m32, use a default stack
> alignment of 23bit as specified by the ABI
> - ensure that double and long long variables on the stack are by default
> only aligned to 32bit, if there is nothing else in the function
> needing a larger stack alignment
>
> The combination ensures that SSE variables on the stack trigger the
> realignment logic, but just using double or long long doesn't.
>
>
> To generate a diff of this commit:
> cvs rdiff -u -r1.1.1.1 -r1.2 \
> src/external/gpl3/gcc/dist/gcc/config/i386/i386.c \
> src/external/gpl3/gcc/dist/gcc/config/i386/netbsd64.h
> cvs rdiff -u -r1.2 -r1.3 \
> src/external/gpl3/gcc/dist/gcc/config/i386/netbsd-elf.h
>
> Please note that diffs are not public domain; they are subject to the
> copyright notices on the relevant files.
I'm still to be convinced that the patches are correct.
David
--
David Laight: da...@l8s.co.uk
