--- Comment #3 from krebbel at gcc dot gnu dot org 2009-08-11 07:56 ---
The same happens when bootstrapping on s390x while building libdecnumber. Here
is a reduced testcase:
typedef struct
{
unsigned char bits;
unsigned short int lsu[1];
} decNumber;
void
decCompareOp (decNumber *
--- Comment #4 from hp at gcc dot gnu dot org 2009-08-11 09:26 ---
(In reply to comment #3)
The same happens when bootstrapping on s390x while building libdecnumber. Here
is a reduced testcase:
At -O1, the simplified test-case exposes the bug for cris-elf too.
FWIW, I guess you must
--- Comment #1 from hp at gcc dot gnu dot org 2009-08-11 00:18 ---
Created an attachment (id=18339)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18339action=view)
Preprocessed ecvtbuf.c from months-old newlib
Compile with -O2 to reproduce ICE.
--
--- Comment #2 from hp at gcc dot gnu dot org 2009-08-11 01:02 ---
I had a brief look. Seems like the new code assumes that promote_mode always
promotes the input mode (ahem! :) when mismatching, which it only does if the
target defines PROMOTE_MODE (which CRIS does not; it just has a
