diff options
Diffstat (limited to 'target/i386')
| -rw-r--r-- | target/i386/mem_helper.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/target/i386/mem_helper.c b/target/i386/mem_helper.c index 30c26b9d9c..6cc53bcb40 100644 --- a/target/i386/mem_helper.c +++ b/target/i386/mem_helper.c @@ -23,6 +23,7 @@ #include "exec/exec-all.h" #include "exec/cpu_ldst.h" #include "qemu/int128.h" +#include "qemu/atomic128.h" #include "tcg.h" void helper_cmpxchg8b_unlocked(CPUX86State *env, target_ulong a0) @@ -137,10 +138,7 @@ void helper_cmpxchg16b(CPUX86State *env, target_ulong a0) if ((a0 & 0xf) != 0) { raise_exception_ra(env, EXCP0D_GPF, ra); - } else { -#ifndef CONFIG_ATOMIC128 - cpu_loop_exit_atomic(ENV_GET_CPU(env), ra); -#else + } else if (HAVE_CMPXCHG128) { int eflags = cpu_cc_compute_all(env, CC_OP); Int128 cmpv = int128_make128(env->regs[R_EAX], env->regs[R_EDX]); @@ -159,7 +157,8 @@ void helper_cmpxchg16b(CPUX86State *env, target_ulong a0) eflags &= ~CC_Z; } CC_SRC = eflags; -#endif + } else { + cpu_loop_exit_atomic(ENV_GET_CPU(env), ra); } } #endif |