commit 2527f5b316478d6cde6840add9fdfd5cbb87b57d
author Bill Buzbee <buzbee@google.com> Thu Jan 28 18:36:55 2010 -0800
committer Bill Buzbee <buzbee@google.com> Thu Jan 28 18:36:55 2010 -0800
tree b2a778a4bf8d33a09cc74a5fbf58e597e50d43f6
parent 5e66e98d9f12ac575093a0bb37a2ae90303bd8d9

Jit: Fix register usage bug (driveabout failure)

Some of the execute-inline templates were using r4, which wasn't in the
save set for templates.  The failing traces expected it to be live across
the template call.

vm/compiler/codegen/arm/RallocUtil.c

diff --git a/vm/compiler/codegen/arm/RallocUtil.c b/vm/compiler/codegen/arm/RallocUtil.c
index ff77002..5c12846 100644
--- a/vm/compiler/codegen/arm/RallocUtil.c
+++ b/vm/compiler/codegen/arm/RallocUtil.c
@@ -466,6 +466,7 @@
 {
     //TUNING: reduce the set of regs used by handlers.  Only a few need lots.
     clobberCallRegs(cUnit);
+    clobberReg(cUnit, r4PC);
     clobberReg(cUnit, r9);
     clobberReg(cUnit, r10);
 }