M32C C-compiler 4.2.0 stop with this error:
ctest.c: In function 'Modbus_Frekvens_Init':
ctest.c:44: error: could not split insn
(insn 50 49 59 (set (mem/c:QI (plus:PSI (reg/f:PSI 7 fb)
(const_int -2 [0xfffffffe])) [0 card+0 S1 A8])
(if_then_else:QI (ne:QI (reg:HI 0 r0 [27])
(const_int 0 [0x0]))
(const_int 2 [0x2])
(const_int 1 [0x1]))) 151 {movqicc_ne_hi} (insn_list:REG_DEP_TRUE
11 (nil))
(expr_list:REG_DEAD (reg:HI 0 r0 [27])
(nil)))
ctest.c:44: internal compiler error: in final_scan_insn, at final.c:2449
Please submit a full bug report,
with preprocessed source if appropriate.
Have tried same code with 4.1.1 m32c and h8300 target no problem.
Gcc version:
m32c-4.2.0/m32c-elf/bin/gcc -v
Using built-in specs.
Target: m32c-elf
Configured with: ../configure --prefix=/Users/bengtwir/GNU/m32c-4.2.0
--target=m32c-elf --program-prefix=m32c-elf- --enable-languages=c --with-gnu-as
--with-gnu-ld --disable-nls --with-newlib
Thread model: single
Source code: ctest.c
/*
fail
m32c-4.2.0/m32c-elf/bin/gcc -O -mcpu=m32c ctest.c
m32c-4.2.0/m32c-elf/bin/gcc -O -mcpu=m16c ctest.c
OK
m32c-4.1.1/m32c-elf/bin/gcc -O -mcpu=m32c ctest.c
h8300-4.1.1/h8300-hms/bin/gcc -O ctest.c
*/
typedef unsigned char Byte;
typedef unsigned short UInt16;
typedef struct rec {
UInt16 size;
UInt16 text;
}rec;
void Modbus_Frekvens_Init(void);
Byte b;
UInt16 i;
rec *rr;
void Modbus_Frekvens_Init(void)
{
Byte card;
if (rr->size & 2)
card = 0x02;
else
card = 0x01;
if (rr->text == 2)
{
b = 2;
}
i = card*0x100 + 0x01;
}
--
Summary: error: could not split insn, internal compiler error: in
final_scan_insn
Product: gcc
Version: 4.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: bengt at digisign dot se
GCC host triplet: Mac OSX 10.4.9
GCC target triplet: m32c-elf 4.2.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31482
