http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47725
Summary: [x32] error: unable to find a register to spill in
class DIREG
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: hjl.to...@gmail.com
CC: ubiz...@gmail.com
On x32 branch, I got
/export/build/gnu/gcc-x32/build-x86_64-linux/gcc/xgcc
-B/export/build/gnu/gcc-x32/build-x86_64-linux/gcc/ -S -o u.s -mx32 -O2 -g
-fPIC u.c
u.c: In function \u2018__frame_state_for\u2019:
u.c:14:1: error: unable to find a register to spill in class \u2018DIREG\u2019
u.c:14:1: error: this is the insn:
(insn 11 20 14 2 (parallel [
(set (reg:DI 2 cx [64])
(const_int 0 [0]))
(set (reg/f:DI 0 ax [62])
(plus:DI (ashift:DI (reg:DI 2 cx [64])
(const_int 3 [0x3]))
(reg/f:DI 1 dx [60])))
(set (mem/s/c:BLK (reg/f:DI 1 dx [60]) [0 context+0 S72 A64])
(const_int 0 [0]))
(use (reg:DI 0 ax [63]))
(use (reg:DI 2 cx [64]))
]) u.c:11 874 {*rep_stosdi_rex64}
(expr_list:REG_DEAD (reg:DI 0 ax [63])
(expr_list:REG_UNUSED (reg:DI 2 cx [64])
(expr_list:REG_UNUSED (reg/f:DI 0 ax [62])
(nil)))))
u.c:14:1: internal compiler error: in spill_failure, at reload1.c:2105
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make: *** [u.s] Error 1
[hjl@gnu-6 ilp32-14]$
