CVS commit: src/external/gpl3/gcc/dist/gcc/config/rs6000

["Valeriy E. Ushakov" <uwe%netbsd.org@localhost>]

Module Name:    src
Committed By:   uwe
Date:           Wed Jan 22 21:39:43 UTC 2020

Modified Files:
        src/external/gpl3/gcc/dist/gcc/config/rs6000: netbsd.h

Log Message:
Do not override STACK_BOUNDARY in netbsd.h

sysv4.h already overrides PREFERRED_STACK_BOUNDARY b/c SYSV ABI
requires 16 bytes alignment for %sp anyway and so we already get that
for free.

More importantly this also fixes alloca() in GCC 8, that was somehow
confused by that STACK_BOUNDARY value we had and created a buffer that
overlapped top local variable slots.


To generate a diff of this commit:
cvs rdiff -u -r1.14 -r1.15 \
    src/external/gpl3/gcc/dist/gcc/config/rs6000/netbsd.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.