https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64164
Christophe Lyon <clyon at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |clyon at gcc dot gnu.org
--- Comment #40 from Christophe Lyon <clyon at gcc dot gnu.org> ---
Created attachment 35740
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35740&action=edit
ARM testcase
This is the testcase that breaks on ARM, when compiled with optimizations: -O0
is OK, -O1, -O2, -O3 crash with:
/media/lyon/9be1a707-5b7f-46da-9106-e084a5dbb011/ssd/src/GCC/sources/gcc-fsf/trunk/libgcc/fixed-bit.c:
In function '__gnu_addqq3':
/media/lyon/9be1a707-5b7f-46da-9106-e084a5dbb011/ssd/src/GCC/sources/gcc-fsf/trunk/libgcc/fixed-bit.c:59:1:
internal compiler error: RTL flag check: MEM_VOLATILE_P used with unexpected
rtx code 'reg' in set_mem_attributes_minus_bitpos, at emit-rtl.c:1787
FIXED_ADD (FIXED_C_TYPE a, FIXED_C_TYPE b)
^
0xa6eb52 rtl_check_failed_flag(char const*, rtx_def const*, char const*, int,
char const*)
/media/lyon/9be1a707-5b7f-46da-9106-e084a5dbb011/ssd/src/GCC/sources/gcc-fsf/trunk/gcc/rtl.c:800
0x771fc7 set_mem_attributes_minus_bitpos(rtx_def*, tree_node*, int, long)
/media/lyon/9be1a707-5b7f-46da-9106-e084a5dbb011/ssd/src/GCC/sources/gcc-fsf/trunk/gcc/emit-rtl.c:1787
0x805294 assign_parm_setup_block
/media/lyon/9be1a707-5b7f-46da-9106-e084a5dbb011/ssd/src/GCC/sources/gcc-fsf/trunk/gcc/function.c:2977
0x80b65c assign_parms
/media/lyon/9be1a707-5b7f-46da-9106-e084a5dbb011/ssd/src/GCC/sources/gcc-fsf/trunk/gcc/function.c:3775
0x80e087 expand_function_start(tree_node*)
/media/lyon/9be1a707-5b7f-46da-9106-e084a5dbb011/ssd/src/GCC/sources/gcc-fsf/trunk/gcc/function.c:5215
0x6a77ed execute
/media/lyon/9be1a707-5b7f-46da-9106-e084a5dbb011/ssd/src/GCC/sources/gcc-fsf/trunk/gcc/cfgexpand.c:6127
Please submit a full bug report,
