I have configured gcc (revision 124905) like this:
/n/08/rask/src/gcc/configure --target=m32c-unknown-elf --with-gmp=${HOME}/opt
--with-mpfr=${HOME}/opt --disable-nls --with-newlib --enable-sim
--disable-multilib
Building libgfortran fails with this ICE:
/home/rask/build/gcc-m32c-unknown-elf/./gcc/gfortran
-B/home/rask/build/gcc-m32c-unknown-elf/./gcc/ -nostdinc
-B/home/rask/build/gcc-m32c-unknown-elf/m32c-unknown-elf/newlib/ -isystem
/home/rask/build/gcc-m32c-unknown-elf/m32c-unknown-elf/newlib/targ-include
-isystem /n/08/rask/src/gcc/newlib/libc/include
-B/usr/local/m32c-unknown-elf/bin/ -B/usr/local/m32c-unknown-elf/lib/ -isystem
/usr/local/m32c-unknown-elf/include -isystem
/usr/local/m32c-unknown-elf/sys-include
-L/home/rask/build/gcc-m32c-unknown-elf/./ld
-B/home/rask/build/gcc-m32c-unknown-elf/m32c-unknown-elf/libgloss/m32c
-L/home/rask/build/gcc-m32c-unknown-elf/m32c-unknown-elf/libgloss/m32c
-L/home/rask/build/gcc-m32c-unknown-elf/m32c-unknown-elf/libgloss/libnosys -I .
-Wall -fno-repack-arrays -fno-underscoring -fallow-leading-underscore -g -O2 -c
/n/08/rask/src/gcc/libgfortran/intrinsics/selected_int_kind.f90 -o
selected_int_kind.o
/n/08/rask/src/gcc/libgfortran/intrinsics/selected_int_kind.f90: In function
'_gfortran_selected_int_kind':
/n/08/rask/src/gcc/libgfortran/intrinsics/selected_int_kind.f90:42: error:
unable to find a register to spill in class 'A_REGS'
/n/08/rask/src/gcc/libgfortran/intrinsics/selected_int_kind.f90:42: error: this
is the insn:
(jump_insn 81 79 117 3
/n/08/rask/src/gcc/libgfortran/intrinsics/selected_int_kind.f90:36 (set (pc)
(if_then_else (lt (mem/s/u:HI (plus:HI (reg:SI 0 r0 [100])
(const:HI (plus:HI (symbol_ref:HI ("int_infos.867")
[flags 0x2] <var_decl 0x4872f1cc int_infos>)
(const_int 6 [0x6])))) [2 <variable>.range+2 S2
A8])
(reg:HI 3 r3 [orig:108 pretmp.24+2 ] [108]))
(label_ref 96)
(pc))) 48 {cbranchhi4} (insn_list:REG_DEP_TRUE 79 (nil))
(expr_list:REG_BR_PROB (const_int 5000 [0x1388])
(nil)))
/n/08/rask/src/gcc/libgfortran/intrinsics/selected_int_kind.f90:42: internal
compiler error: in spill_failure, at reload1.c:2002
The (plus:HI (reg:SI ...)) bit looks suspicious.
--
Summary: reload failure building libgfortran
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: rask at sygehus dot dk
GCC build triplet: i386-unknown-netbsdelf2.0.2
GCC host triplet: i386-unknown-netbsdelf2.0.2
GCC target triplet: m32c-unknown-elf
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32055
