Experimental Physics and Industrial Control System
Hi again- now that I know it's the "-mstrict-align" that's causing the
byte operations, I still have 2 questions...
1) I see that this switch is provided by EPICS/base/config/CONFIG.Vx.mv2400:
ARCH_DEP_CFLAGS = -mcpu=604 --no-builtin -mstrict-align -mlongcall
What's the proper way to override this in a local work area config directory?
2) What switch (or lack of) does this compiler need to turn this feature off?
A quick naive test of re-running just the gmake-generated ccpcc command without
the mstrict switch makes the assembly phase barf, though I'm easily convinced
that this may be due to the lack of proper environment caused by running it
in isolation:
as: error: unknown option 'p'
as: error: unknown option 'p'
usage: as [-V] [-Q{y,n}] [-f[O][if]#] [-q] [-s]
[-S] [-K {pic,PIC}] [-o objfile] [-L] [-T]
[-P [[-Ipath] [-Dname] [-Dname=def] [-Uname]]...]
[-m [-Ym,path]] [-n] [-ul] [-xF] [-xarch=v7] [-xarch=v8] [-xarch=v8a] [-xarch=v8plus] [-xarch=v8plusa] [-xar\
ch=v8plusb] [-xarch=v9] [-xarch=v9a] [-xarch=v9b] [-xcode={pic13,pic32}] file.s...
thanks,
Mike
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- RE: PPC compiler splits up ints & shorts? Steven Hartman
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