We didn't have __builtin_swap16 on all targets before GCC 4.8; hsa-brig tries to use it if the host GCC is 4.6 or up though, breaking bootstrap. This trivial patch fixes it.
Noticed on gcc22. Is this okay for trunk and gcc-6? Segher 2016-04-15 Segher Boessenkool <seg...@kernel.crashing.org> * has-brig.c (lendian16): Don't try to use __builtin_bswap16 unless compiling with at least GCC-4.8. --- gcc/hsa-brig.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gcc/hsa-brig.c b/gcc/hsa-brig.c index a943e37..9c74b9a 100644 --- a/gcc/hsa-brig.c +++ b/gcc/hsa-brig.c @@ -51,7 +51,7 @@ along with GCC; see the file COPYING3. If not see static uint16_t lendian16 (uint16_t val) { -#if GCC_VERSION >= 4006 +#if GCC_VERSION >= 4008 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ return val; #elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ -- 1.9.3