[jit] Add mini_emit_memory_store and use it for STOBJ.

[mono.git] / mono / mini / memory-access.c

diff --git a/mono/mini/memory-access.c b/mono/mini/memory-access.c
index 8c948d2b9c5a2e728f517ec08a57af13691d32a2..76c42e0b04f64a577bc3a17723a49553c74553fb 100644 (file)
--- a/mono/mini/memory-access.c
+++ b/mono/mini/memory-access.c
@@ -165,4 +165,25 @@ mini_emit_memory_load (MonoCompile *cfg, MonoType *type, MonoInst *src, int offs
        return ins;
 }
 
+
+void
+mini_emit_memory_store (MonoCompile *cfg, MonoType *type, MonoInst *dest, MonoInst *value, int ins_flag)
+{
+       MonoInst *ins;
+
+       if (ins_flag & MONO_INST_VOLATILE) {
+               /* Volatile stores have release semantics, see 12.6.7 in Ecma 335 */
+               mini_emit_memory_barrier (cfg, MONO_MEMORY_BARRIER_REL);
+       }
+       /* FIXME: should check item at sp [1] is compatible with the type of the store. */
+
+       EMIT_NEW_STORE_MEMBASE_TYPE (cfg, ins, type, dest->dreg, 0, value->dreg);
+       ins->flags |= ins_flag;
+       if (cfg->gen_write_barriers && cfg->method->wrapper_type != MONO_WRAPPER_WRITE_BARRIER &&
+               mini_type_is_reference (type) && !MONO_INS_IS_PCONST_NULL (value)) {
+               /* insert call to write barrier */
+               mini_emit_write_barrier (cfg, dest, value);
+       }
+}
+
 #endif