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Remove the sp register from UNPRESERVED_REGS

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Including the stack pointer register in a clobber list has long since been deprecated by GCC (~9.0 and ~8.4), and according to my research, it appears the compiler ignores its presence in a clobber list regardless.

Whether this is the correct thing to do here I do not know, but from my research, it seems to be, and it does silence the associated deprecation warning that, due to -Werror, causes builds to fail.

See here: https://stackoverflow.com/questions/64928418/arm-cortex-m0-set-msp-c17-compiler-warning
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CheetahPixie 2025-01-12 10:20:41 +00:00 committed by GitHub
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libmacos/macos/traps.h
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@ -36,7 +36,7 @@
/*
* Inside Macintosh Volume I, I-94: Register Saving Conventions */
#define UNPRESERVED_REGS "%%a0", "%%a1", "%%a2", "%%d1", "%%d2", "%%sp", "memory"
#define UNPRESERVED_REGS "%%a0", "%%a1", "%%a2", "%%d1", "%%d2", "memory"
#define _Trap(a) #a
#define Trap(a) " dc.w "_Trap(a)" /* "#a" */\n"