s32c1i must load and store value with target endianness, not host. This results in an infinite loop in atomic cmpxchg sequences when target endianness doesn't match host endianness.
Fixes: 9fb40342d4b3 ("target/xtensa: support MTTCG") Cc: qemu-sta...@nongnu.org Signed-off-by: Max Filippov <jcmvb...@gmail.com> --- target/xtensa/translate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c index 25399058a0db..c626583cd952 100644 --- a/target/xtensa/translate.c +++ b/target/xtensa/translate.c @@ -2288,7 +2288,7 @@ static void translate_s32c1i(DisasContext *dc, const uint32_t arg[], gen_load_store_alignment(dc, 2, addr, true); gen_check_atomctl(dc, addr); tcg_gen_atomic_cmpxchg_i32(cpu_R[arg[0]], addr, cpu_SR[SCOMPARE1], - tmp, dc->cring, MO_32); + tmp, dc->cring, MO_TEUL); tcg_temp_free(addr); tcg_temp_free(tmp); } -- 2.11.0