7131288: COMPILE SKIPPED: deopt handler overflow (retry at different tier)
Summary: Fix exception handler stub size, enable guarantees to check for the correct deopt and exception stub sizes in the future
Reviewed-by: kvn, never, twisti
--- a/hotspot/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp Wed Jan 18 16:18:31 2012 +0100
+++ b/hotspot/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp Thu Jan 19 10:56:51 2012 -0800
@@ -391,7 +391,7 @@
__ call(Runtime1::entry_for(Runtime1::handle_exception_from_callee_id), relocInfo::runtime_call_type);
__ delayed()->nop();
__ should_not_reach_here();
- assert(code_offset() - offset <= exception_handler_size, "overflow");
+ guarantee(code_offset() - offset <= exception_handler_size, "overflow");
__ end_a_stub();
return offset;
@@ -474,8 +474,7 @@
AddressLiteral deopt_blob(SharedRuntime::deopt_blob()->unpack());
__ JUMP(deopt_blob, G3_scratch, 0); // sethi;jmp
__ delayed()->nop();
- assert(code_offset() - offset <= deopt_handler_size, "overflow");
- debug_only(__ stop("should have gone to the caller");)
+ guarantee(code_offset() - offset <= deopt_handler_size, "overflow");
__ end_a_stub();
return offset;
--- a/hotspot/src/cpu/sparc/vm/c1_LIRAssembler_sparc.hpp Wed Jan 18 16:18:31 2012 +0100
+++ b/hotspot/src/cpu/sparc/vm/c1_LIRAssembler_sparc.hpp Thu Jan 19 10:56:51 2012 -0800
@@ -69,7 +69,7 @@
#else
call_stub_size = 20,
#endif // _LP64
- exception_handler_size = DEBUG_ONLY(1*K) NOT_DEBUG(10*4),
- deopt_handler_size = DEBUG_ONLY(1*K) NOT_DEBUG(10*4) };
+ exception_handler_size = DEBUG_ONLY(1*K) NOT_DEBUG(128),
+ deopt_handler_size = DEBUG_ONLY(1*K) NOT_DEBUG(64) };
#endif // CPU_SPARC_VM_C1_LIRASSEMBLER_SPARC_HPP
--- a/hotspot/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp Wed Jan 18 16:18:31 2012 +0100
+++ b/hotspot/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp Thu Jan 19 10:56:51 2012 -0800
@@ -406,7 +406,7 @@
// search an exception handler (rax: exception oop, rdx: throwing pc)
__ call(RuntimeAddress(Runtime1::entry_for(Runtime1::handle_exception_from_callee_id)));
__ should_not_reach_here();
- assert(code_offset() - offset <= exception_handler_size, "overflow");
+ guarantee(code_offset() - offset <= exception_handler_size, "overflow");
__ end_a_stub();
return offset;
@@ -490,8 +490,7 @@
__ pushptr(here.addr());
__ jump(RuntimeAddress(SharedRuntime::deopt_blob()->unpack()));
-
- assert(code_offset() - offset <= deopt_handler_size, "overflow");
+ guarantee(code_offset() - offset <= deopt_handler_size, "overflow");
__ end_a_stub();
return offset;