http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47955
Summary: gcc.dg/stack-usage-1.c fails on m68k-linux
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: mi...@it.uu.se
The gcc.dg/stack-usage-1.c test case fails on m68k-linux:
> fgrep stack-usage- gcc/testsuite/gcc/gcc.log
Executing on host: /mnt/scratch/objdir46/gcc/xgcc -B/mnt/scratch/objdir46/gcc/
/mnt/scratch/gcc-4.6-20110226/gcc/testsuite/gcc.dg/stack-usage-1.c
-fstack-usage -S -o stack-usage-1.s (timeout = 300)
/mnt/scratch/gcc-4.6-20110226/gcc/testsuite/gcc.dg/stack-usage-1.c: In function
'foo':
/mnt/scratch/gcc-4.6-20110226/gcc/testsuite/gcc.dg/stack-usage-1.c:53:1:
warning: -fstack-usage not supported for this target [enabled by default]
/mnt/scratch/gcc-4.6-20110226/gcc/testsuite/gcc.dg/stack-usage-1.c: In function
'foo':
/mnt/scratch/gcc-4.6-20110226/gcc/testsuite/gcc.dg/stack-usage-1.c:53:1:
warning: -fstack-usage not supported for this target [enabled by default]
FAIL: gcc.dg/stack-usage-1.c (test for excess errors)
/mnt/scratch/gcc-4.6-20110226/gcc/testsuite/gcc.dg/stack-usage-1.c:53:1:
warning: -fstack-usage not supported for this target [enabled by default]
FAIL: gcc.dg/stack-usage-1.c scan-file foo\t(256|264)\tstatic
The issue is that the m68k backend doesn't set stack usage data, which generic
parts detect and report as "-fstack-usage not supported".
m68k_expand_prologue() should update current_function_static_stack_size if
flag_stack_usage is set.
