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| author | Richard Henderson <richard.henderson@linaro.org> | 2018-08-15 16:47:59 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2018-10-18 19:46:53 -0700 |
| commit | e1ed709fbe687b1c92b31014b0ecfcd059252ec1 (patch) | |
| tree | 42b8d73f9d1223d65d54e5966c194fdcce39665c /target/i386/mem_helper.c | |
| parent | e6cd4bb59b8154fa00da611200beef7eb4e8ec56 (diff) | |
| download | qemu-e1ed709fbe687b1c92b31014b0ecfcd059252ec1.zip qemu-e1ed709fbe687b1c92b31014b0ecfcd059252ec1.tar.gz qemu-e1ed709fbe687b1c92b31014b0ecfcd059252ec1.tar.bz2 | |
target/i386: Convert to HAVE_CMPXCHG128
Reviewed-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/i386/mem_helper.c')
| -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 30c26b9..6cc53bc 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 |