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.

Modified files:

Index: src/external/gpl3/gcc/dist/gcc/config/rs6000/netbsd.h
diff -u src/external/gpl3/gcc/dist/gcc/config/rs6000/netbsd.h:1.14 src/external/gpl3/gcc/dist/gcc/config/rs6000/netbsd.h:1.15
--- src/external/gpl3/gcc/dist/gcc/config/rs6000/netbsd.h:1.14	Tue Oct  1 10:38:19 2019
+++ src/external/gpl3/gcc/dist/gcc/config/rs6000/netbsd.h	Wed Jan 22 21:39:43 2020
@@ -138,10 +138,6 @@
 #define TRAMPOLINE_SIZE 48
 #endif
 
-/* Override STACK_BOUNDARY to use Altivec compliant one.  */
-#undef STACK_BOUNDARY
-#define STACK_BOUNDARY	128
-
 /* Use standard DWARF numbering for DWARF debugging information.  */
 #define RS6000_USE_DWARF_NUMBERING
 

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