Fixing livelock caused by lf stuff (or at least making it harder to hit).

2014-10-26 19:05:30 -07:00
parent 6fd0fa9103
commit 262712d4e9
13 changed files with 147 additions and 11 deletions
--- a/src/alloy/frontend/ppc/ppc_context.h
+++ b/src/alloy/frontend/ppc/ppc_context.h
@@ -172,6 +172,10 @@ typedef struct alignas(64) PPCContext_s {

  // Reserve address for load acquire/store release. Shared.
  uint64_t* reserve_address;
+  uint64_t* reserve_value;
+
+  // Used to shuttle data into externs. Contents volatile.
+  uint64_t scratch;

  // Runtime-specific data pointer. Used on callbacks to get access to the
  // current runtime and its data.