Mercurial > hg > graal-compiler
diff src/share/vm/c1/c1_LIRAssembler.cpp @ 1295:3cf667df43ef
6919934: JSR 292 needs to support x86 C1
Summary: This implements JSR 292 support for C1 x86.
Reviewed-by: never, jrose, kvn
author | twisti |
---|---|
date | Tue, 09 Mar 2010 20:16:19 +0100 |
parents | 89e0543e1737 |
children | fc2c71045ada |
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--- a/src/share/vm/c1/c1_LIRAssembler.cpp Mon Mar 08 04:46:30 2010 -0800 +++ b/src/share/vm/c1/c1_LIRAssembler.cpp Tue Mar 09 20:16:19 2010 +0100 @@ -1,5 +1,5 @@ /* - * Copyright 2000-2009 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 2000-2010 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -301,9 +301,9 @@ } -void LIR_Assembler::add_call_info(int pc_offset, CodeEmitInfo* cinfo) { +void LIR_Assembler::add_call_info(int pc_offset, CodeEmitInfo* cinfo, bool is_method_handle_invoke) { flush_debug_info(pc_offset); - cinfo->record_debug_info(compilation()->debug_info_recorder(), pc_offset); + cinfo->record_debug_info(compilation()->debug_info_recorder(), pc_offset, is_method_handle_invoke); if (cinfo->exception_handlers() != NULL) { compilation()->add_exception_handlers_for_pco(pc_offset, cinfo->exception_handlers()); } @@ -413,6 +413,12 @@ void LIR_Assembler::emit_call(LIR_OpJavaCall* op) { verify_oop_map(op->info()); + // JSR 292 + // Preserve the SP over MethodHandle call sites. + if (op->is_method_handle_invoke()) { + preserve_SP(); + } + if (os::is_MP()) { // must align calls sites, otherwise they can't be updated atomically on MP hardware align_call(op->code()); @@ -423,19 +429,25 @@ switch (op->code()) { case lir_static_call: - call(op->addr(), relocInfo::static_call_type, op->info()); + call(op, relocInfo::static_call_type); break; case lir_optvirtual_call: - call(op->addr(), relocInfo::opt_virtual_call_type, op->info()); + case lir_dynamic_call: + call(op, relocInfo::opt_virtual_call_type); break; case lir_icvirtual_call: - ic_call(op->addr(), op->info()); + ic_call(op); break; case lir_virtual_call: - vtable_call(op->vtable_offset(), op->info()); + vtable_call(op); break; default: ShouldNotReachHere(); } + + if (op->is_method_handle_invoke()) { + restore_SP(); + } + #if defined(X86) && defined(TIERED) // C2 leave fpu stack dirty clean it if (UseSSE < 2) {