--- gdb/xtensa-tdep.h.orig 2018-03-15 16:33:53.194056000 +0100
+++ gdb/xtensa-tdep.h 2018-03-15 16:37:44.151472000 +0100
@@ -130,7 +130,7 @@
ct, bsz, sz, al, tnum, flg, cp, mas, fet, sto},
#define XTREG_END \
{0, 0, (xtensa_register_type_t) 0, (xtensa_register_group_t) 0, \
- 0, 0, 0, 0, -1, 0, 0, 0, 0, 0},
+ 0, 0, 0, 0, static_cast<unsigned int>(-1), 0, 0, 0, 0, 0},
#define XTENSA_REGISTER_FLAGS_PRIVILEGED 0x0001
#define XTENSA_REGISTER_FLAGS_READABLE 0x0002
@@ -228,7 +228,7 @@
#define XTENSA_GDBARCH_TDEP_INSTANTIATE(rmap,spillsz) \
{ \
0, /* target_flags */ \
- -1, /* spill_location */ \
+ static_cast<unsigned int>(-1), /* spill_location */ \
(spillsz), /* spill_size */ \
0, /* unused */ \
(XSHAL_ABI == XTHAL_ABI_CALL0 \
