diff mbox series

[v2,30/55] target/i386: Use MO_128 for 16 byte atomics

Message ID 20210803041443.55452-31-richard.henderson@linaro.org (mailing list archive)
State New, archived
Headers show
Series Unaligned access for user-only | expand

Commit Message

Richard Henderson Aug. 3, 2021, 4:14 a.m. UTC 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/i386/tcg/mem_helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Philippe Mathieu-Daudé Aug. 18, 2021, 8:59 a.m. UTC | #1 
On 8/3/21 6:14 AM, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  target/i386/tcg/mem_helper.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
diff mbox series

Patch

diff --git a/target/i386/tcg/mem_helper.c b/target/i386/tcg/mem_helper.c
index 0fd696f9c1..a207e624cb 100644
--- a/target/i386/tcg/mem_helper.c
+++ b/target/i386/tcg/mem_helper.c
@@ -136,7 +136,7 @@  void helper_cmpxchg16b(CPUX86State *env, target_ulong a0)
         Int128 newv = int128_make128(env->regs[R_EBX], env->regs[R_ECX]);
 
         int mem_idx = cpu_mmu_index(env, false);
-        MemOpIdx oi = make_memop_idx(MO_TEQ | MO_ALIGN_16, mem_idx);
+        MemOpIdx oi = make_memop_idx(MO_TE | MO_128 | MO_ALIGN, mem_idx);
         Int128 oldv = cpu_atomic_cmpxchgo_le_mmu(env, a0, cmpv, newv, oi, ra);
 
         if (int128_eq(oldv, cmpv)) {