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authorRichard Henderson <richard.henderson@linaro.org>2023-09-16 15:01:51 -0700
committerRichard Henderson <richard.henderson@linaro.org>2023-11-06 08:27:21 -0800
commit6046f6e94d8d530ecc28176232479889abbee47e (patch)
tree224831b0ad2b9904c03c59e644bfcdb977c7682c /accel/tcg/cputlb.c
parent8b1b3db71a1df58a6e28956b72f143e8cf38bdf6 (diff)
downloadfocaccia-qemu-6046f6e94d8d530ecc28176232479889abbee47e.tar.gz
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accel/tcg: Fix condition for store_atom_insert_al16
Store bytes under a mask is fundamentally a cmpxchg, not a straight store.
Use HAVE_CMPXCHG128 instead of HAVE_ATOMIC128_RW.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230916220151.526140-8-richard.henderson@linaro.org>
Diffstat (limited to 'accel/tcg/cputlb.c')
-rw-r--r--accel/tcg/cputlb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c
index 13986820fe..f35c5f359b 100644
--- a/accel/tcg/cputlb.c
+++ b/accel/tcg/cputlb.c
@@ -2691,7 +2691,7 @@ static uint64_t do_st16_leN(CPUState *cpu, MMULookupPageData *p,
 
     case MO_ATOM_WITHIN16_PAIR:
         /* Since size > 8, this is the half that must be atomic. */
-        if (!HAVE_ATOMIC128_RW) {
+        if (!HAVE_CMPXCHG128) {
             cpu_loop_exit_atomic(cpu, ra);
         }
         return store_whole_le16(p->haddr, p->size, val_le);