Mercurial > hg > graal-jvmci-8
changeset 11000:bc8956037049
Merge
author | kvn |
---|---|
date | Tue, 11 Jun 2013 16:40:31 -0700 |
parents | e7f5651d459c (diff) 693e4d04fd09 (current diff) |
children | c52abc8a0b08 |
files | |
diffstat | 1 files changed, 29 insertions(+), 18 deletions(-) [+] |
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line diff
--- a/src/cpu/x86/vm/sharedRuntime_x86_64.cpp Tue Jun 11 16:34:34 2013 -0400 +++ b/src/cpu/x86/vm/sharedRuntime_x86_64.cpp Tue Jun 11 16:40:31 2013 -0700 @@ -1429,6 +1429,8 @@ assert(!length_arg.first()->is_Register() || length_arg.first()->as_Register() != tmp_reg, "possible collision"); + __ block_comment("unpack_array_argument {"); + // Pass the length, ptr pair Label is_null, done; VMRegPair tmp; @@ -1453,6 +1455,8 @@ move_ptr(masm, tmp, body_arg); move32_64(masm, tmp, length_arg); __ bind(done); + + __ block_comment("} unpack_array_argument"); } @@ -2170,27 +2174,34 @@ } } - // point c_arg at the first arg that is already loaded in case we - // need to spill before we call out - int c_arg = total_c_args - total_in_args; + int c_arg; // Pre-load a static method's oop into r14. Used both by locking code and // the normal JNI call code. - if (method->is_static() && !is_critical_native) { - - // load oop into a register - __ movoop(oop_handle_reg, JNIHandles::make_local(method->method_holder()->java_mirror())); - - // Now handlize the static class mirror it's known not-null. - __ movptr(Address(rsp, klass_offset), oop_handle_reg); - map->set_oop(VMRegImpl::stack2reg(klass_slot_offset)); - - // Now get the handle - __ lea(oop_handle_reg, Address(rsp, klass_offset)); - // store the klass handle as second argument - __ movptr(c_rarg1, oop_handle_reg); - // and protect the arg if we must spill - c_arg--; + if (!is_critical_native) { + // point c_arg at the first arg that is already loaded in case we + // need to spill before we call out + c_arg = total_c_args - total_in_args; + + if (method->is_static()) { + + // load oop into a register + __ movoop(oop_handle_reg, JNIHandles::make_local(method->method_holder()->java_mirror())); + + // Now handlize the static class mirror it's known not-null. + __ movptr(Address(rsp, klass_offset), oop_handle_reg); + map->set_oop(VMRegImpl::stack2reg(klass_slot_offset)); + + // Now get the handle + __ lea(oop_handle_reg, Address(rsp, klass_offset)); + // store the klass handle as second argument + __ movptr(c_rarg1, oop_handle_reg); + // and protect the arg if we must spill + c_arg--; + } + } else { + // For JNI critical methods we need to save all registers in save_args. + c_arg = 0; } // Change state to native (we save the return address in the thread, since it might not