[Bug target/28896] -fstack-limit-symbol and m68k and non 68020

["baker at usgs dot gov" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28896

--- Comment #7 from Larry Baker <baker at usgs dot gov> 2012-07-03 23:43:46 UTC ---
(In reply to comment #6)
> Fixed in 4.8.

Refer to bug 53834 (duplicate of this bug) for original report.

Changing -mcpu=5208 to -mcpu=68020 resolves only the -fstack-limit-reg= ICE
(conditional traps not supported by M5208 processor); the -fstack-limit-symbol=
ICE still occurs for a supported processor.

# sh -v make_ntpq.sh 
#!/bin/sh

( cd linux/user/ntp/builddir/ntpq ; \
  PATH=/usr/local/src/gcc-xgcc-4.7.1/gcc:"$PATH" \
  ucfront-gcc xgcc -mcpu=68020 -DCONFIG_COLDFIRE -Os -g -fomit-frame-pointer
-pipe -fno-common -fno-builtin -Wall -DEMBED -fno-dwarf2-cfi-asm -msep-data
-Dlinux -D__linux__ -Dunix -D__uClinux__ -DHAVE_CONFIG_H -I. -I../../ntpq -I..
-I../../include -I../../libopts -DCONFIG_FILE=\"/etc/config/ntp.conf\" -MT
ntpq.o -MD -MP -MF ".deps/ntpq.Tpo" -c -o new_ntpq.o ../../ntpq/ntpq.c \
)
../../ntpq/ntpq.c: In function 'decodeint':
../../ntpq/ntpq.c:1978:7: warning: pointer targets in passing argument 2 of
'hextoint' differ in signedness [-Wpointer-sign]
In file included from ../../ntpq/ntpq.c:18:0:
../../include/ntp_stdlib.h:73:12: note: expected 'u_long *' but argument is of
type 'long int *'
../../ntpq/ntpq.c:1979:3: warning: pointer targets in passing argument 2 of
'octtoint' differ in signedness [-Wpointer-sign]
In file included from ../../ntpq/ntpq.c:18:0:
../../include/ntp_stdlib.h:91:12: note: expected 'u_long *' but argument is of
type 'long int *'

( cd linux/user/ntp/builddir/ntpq ; \
  PATH=/usr/local/src/gcc-xgcc-4.7.1/gcc:"$PATH" \
  ucfront-gcc xgcc -mcpu=68020 -DCONFIG_COLDFIRE -Os -g
-fstack-limit-symbol=_stack_start -fomit-frame-pointer -pipe -fno-common
-fno-builtin -Wall -DEMBED -fno-dwarf2-cfi-asm -msep-data -Dlinux -D__linux__
-Dunix -D__uClinux__ -DHAVE_CONFIG_H -I. -I../../ntpq -I.. -I../../include
-I../../libopts -DCONFIG_FILE=\"/etc/config/ntp.conf\" -MT ntpq.o -MD -MP -MF
".deps/ntpq.Tpo" -c -o new_ntpq.o ../../ntpq/ntpq.c \
)
../../ntpq/ntpq.c: In function 'decodeint':
../../ntpq/ntpq.c:1978:7: warning: pointer targets in passing argument 2 of
'hextoint' differ in signedness [-Wpointer-sign]
In file included from ../../ntpq/ntpq.c:18:0:
../../include/ntp_stdlib.h:73:12: note: expected 'u_long *' but argument is of
type 'long int *'
../../ntpq/ntpq.c:1979:3: warning: pointer targets in passing argument 2 of
'octtoint' differ in signedness [-Wpointer-sign]
In file included from ../../ntpq/ntpq.c:18:0:
../../include/ntp_stdlib.h:91:12: note: expected 'u_long *' but argument is of
type 'long int *'
../../ntpq/ntpq.c: In function 'assoccmp':
../../ntpq/ntpq.c:3279:1: internal compiler error: in gen_reg_rtx, at
emit-rtl.c:859
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

( cd linux/user/ntp/builddir/ntpq ; \
  PATH=/usr/local/src/gcc-xgcc-4.7.1/gcc:"$PATH" \
  ucfront-gcc xgcc -mcpu=68020 -DCONFIG_COLDFIRE -Os -g
-fstack-limit-register=a5 -fomit-frame-pointer -pipe -fno-common -fno-builtin
-Wall -DEMBED -fno-dwarf2-cfi-asm -msep-data -Dlinux -D__linux__ -Dunix
-D__uClinux__ -DHAVE_CONFIG_H -I. -I../../ntpq -I.. -I../../include
-I../../libopts -DCONFIG_FILE=\"/etc/config/ntp.conf\" -MT ntpq.o -MD -MP -MF
".deps/ntpq.Tpo" -c -o new_ntpq.o ../../ntpq/ntpq.c \
)
../../ntpq/ntpq.c: In function 'decodeint':
../../ntpq/ntpq.c:1978:7: warning: pointer targets in passing argument 2 of
'hextoint' differ in signedness [-Wpointer-sign]
In file included from ../../ntpq/ntpq.c:18:0:
../../include/ntp_stdlib.h:73:12: note: expected 'u_long *' but argument is of
type 'long int *'
../../ntpq/ntpq.c:1979:3: warning: pointer targets in passing argument 2 of
'octtoint' differ in signedness [-Wpointer-sign]
In file included from ../../ntpq/ntpq.c:18:0:
../../include/ntp_stdlib.h:91:12: note: expected 'u_long *' but argument is of
type 'long int *'