Re: [avr-gcc-list] More results from the testsuite with avrtest

[Paulo Marques]

Quoting Andrew Hutchinson <address@hidden>:

> Here is my list:
> [...]
> FAIL: gcc.c-torture/execute/multi-ix.c compilation,  -O0
> FAIL: gcc.c-torture/execute/multi-ix.c compilation,  -O1
> FAIL: gcc.c-torture/execute/multi-ix.c compilation,  -O2
> FAIL: gcc.c-torture/execute/multi-ix.c compilation,  -O3 -fomit-frame-pointer
> FAIL: gcc.c-torture/execute/multi-ix.c compilation,  -O3 
> -fomit-frame-pointer -funroll-loops
> FAIL: gcc.c-torture/execute/multi-ix.c compilation,  -O3 
> -fomit-frame-pointer -funroll-all-loops -finline-functions
> FAIL: gcc.c-torture/execute/multi-ix.c compilation,  -O3 -g
> FAIL: gcc.c-torture/execute/multi-ix.c compilation,  -Os

These seem to be the bad guys. This test only fails for me with -O0, 
but passes on all other compiler options.

I think the problem is that this test requires the increase in stack 
size in atmega128-exp.sim file, i.e., you have to replace

set_board_info gcc,stack_size 400

with

set_board_info gcc,stack_size 2048

or it won't have enough stack to run the test.

Don't forget to also move bss to external memory with:

set_board_info ldflags "/home/pmarques/dejagnuboards/exit.c 
-Wl,-u,vfprintf -lprintf_flt 
-Wl,-Tbss=0x802000,--defsym=__heap_end=0x80ffff"

or some other tests might fail too.

--
Paulo Marques


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