1 files changed, 0 insertions, 75 deletions
diff --git a/host/include/x86_64/host/atomic128-ldst.h b/host/include/x86_64/host/atomic128-ldst.h
deleted file mode 100644
index 8d6f909..0000000
--- a/host/include/x86_64/host/atomic128-ldst.h
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * SPDX-License-Identifier: GPL-2.0-or-later
- * Load/store for 128-bit atomic operations, x86_64 version.
- *
- * Copyright (C) 2023 Linaro, Ltd.
- *
- * See docs/devel/atomics.rst for discussion about the guarantees each
- * atomic primitive is meant to provide.
- */
-
-#ifndef X86_64_ATOMIC128_LDST_H
-#define X86_64_ATOMIC128_LDST_H
-
-#ifdef CONFIG_INT128_TYPE
-#include "host/cpuinfo.h"
-#include "tcg/debug-assert.h"
-#include <immintrin.h>
-
-typedef union {
-    __m128i v;
-    __int128_t i;
-    Int128 s;
-} X86Int128Union;
-
-/*
- * Through clang 16, with -mcx16, __atomic_load_n is incorrectly
- * expanded to a read-write operation: lock cmpxchg16b.
- */
-
-#define HAVE_ATOMIC128_RO  likely(cpuinfo & CPUINFO_ATOMIC_VMOVDQA)
-#define HAVE_ATOMIC128_RW  1
-
-static inline Int128 atomic16_read_ro(const Int128 *ptr)
-{
-    X86Int128Union r;
-
-    tcg_debug_assert(HAVE_ATOMIC128_RO);
-    asm("vmovdqa %1, %0" : "=x" (r.v) : "m" (*ptr));
-
-    return r.s;
-}
-
-static inline Int128 atomic16_read_rw(Int128 *ptr)
-{
-    __int128_t *ptr_align = __builtin_assume_aligned(ptr, 16);
-    X86Int128Union r;
-
-    if (HAVE_ATOMIC128_RO) {
-        asm("vmovdqa %1, %0" : "=x" (r.v) : "m" (*ptr_align));
-    } else {
-        r.i = __sync_val_compare_and_swap_16(ptr_align, 0, 0);
-    }
-    return r.s;
-}
-
-static inline void atomic16_set(Int128 *ptr, Int128 val)
-{
-    __int128_t *ptr_align = __builtin_assume_aligned(ptr, 16);
-    X86Int128Union new = { .s = val };
-
-    if (HAVE_ATOMIC128_RO) {
-        asm("vmovdqa %1, %0" : "=m"(*ptr_align) : "x" (new.v));
-    } else {
-        __int128_t old;
-        do {
-            old = *ptr_align;
-        } while (!__sync_bool_compare_and_swap_16(ptr_align, old, new.i));
-    }
-}
-#else
-/* Provide QEMU_ERROR stubs. */
-#include "host/include/generic/host/atomic128-ldst.h"
-#endif
-
-#endif /* X86_64_ATOMIC128_LDST_H */