Changeset fe293bf for libcfa/src/concurrency

Timestamp:

Nov 6, 2023, 5:52:04 PM (14 months ago)

Author:

caparson <caparson@…>

Branches:

master

Children:

6b419ce

Parents:

0d41b2e

Message:

removed fences for ARM that are likely not needed, insertion of fences into waituntil codegen TBD

File:

• libcfa/src/concurrency/channel.hfa (modified) (3 diffs)

libcfa/src/concurrency/channel.hfa

@@ -28 +28 @@
     unlock( lock );
     park();
-    #if defined(__ARM_ARCH)
-    __atomic_thread_fence( __ATOMIC_SEQ_CST );
-    #endif
     return sn.extra == 0p;
 }
@@ -133 +130 @@
 static inline void __cons_handoff( channel(T) & chan, T & elem ) with(chan) {
     memcpy( cons`first.extra, (void *)&elem, sizeof(T) ); // do waiting consumer work
-    #if defined(__ARM_ARCH)
-    __atomic_thread_fence( __ATOMIC_SEQ_CST );
-    #endif
     wake_one( cons );
 }
@@ -142 +136 @@
 static inline void __prods_handoff( channel(T) & chan, T & retval ) with(chan) {
     memcpy( (void *)&retval, prods`first.extra, sizeof(T) );
-    #if defined(__ARM_ARCH)
-    __atomic_thread_fence( __ATOMIC_SEQ_CST );
-    #endif
     wake_one( prods );
 }