SPAWNW should pick never-before-spawned warps, not merely idle (possibly at a barrier) ones.

2015-08-04 14:58:59 -06:00
parent e77e43aecb
commit 8474581c5a
3 changed files with 6 additions and 3 deletions
--- a/src/instruction.cpp
+++ b/src/instruction.cpp
@@ -349,11 +349,12 @@ void Instruction::executeOn(Warp &c) {
                     D(0, "Spawning a new warp.");
                     for (unsigned i = 0; i < c.core->w.size(); ++i) {
                       Warp &newWarp(c.core->w[i]);
-                       if (newWarp.activeThreads == 0) {
+                       if (newWarp.spawned == false) {
                         newWarp.pc = reg[rsrc[0]];
                         newWarp.reg[0][rdest] = reg[rsrc[1]];
                         newWarp.activeThreads = 1;
 		         newWarp.supervisorMode = false;
+                         newWarp.spawned = true;
                         break;
                       }
                     }