Changeset bdce852

Timestamp:

Jun 30, 2020, 12:43:03 PM (4 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

7812a7b5

Parents:

9bbbc8e

Message:

Switched RNG from lehmer64 to wyhash64 for 32-bit builts

Location:

libcfa/src/concurrency

Files:

• invoke.h (modified) (1 diff)
• kernel_private.hfa (modified) (1 diff)

libcfa/src/concurrency/invoke.h

@@ -57 +57 @@
                         } preemption_state;
 
-                        __uint128_t rand_seed;
+                        #if defined(__SIZEOF_INT128__)
+                                __uint128_t rand_seed;
+                        #else
+                                uint64 rand_seed;
+                        #endif
                 } kernelTLS __attribute__ ((tls_model ( "initial-exec" )));
         }

libcfa/src/concurrency/kernel_private.hfa

@@ -96 +96 @@
         // kernelTLS.rand_seed ^= kernelTLS.rand_seed << 7;
         // return kernelTLS.rand_seed;
-        return __lehmer64( kernelTLS.rand_seed );
+        #if defined(__SIZEOF_INT128__)
+                return __lehmer64( kernelTLS.rand_seed );
+        #else
+                return __wyhash64( kernelTLS.rand_seed );
+        #endif
 }