src/cpu/ppc/vm/templateInterpreterGenerator_ppc.cpp
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8144534.02 Cdiff src/cpu/ppc/vm/templateInterpreterGenerator_ppc.cpp
src/cpu/ppc/vm/templateInterpreterGenerator_ppc.cpp
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*** 1,8 ****
/*
* Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
! * Copyright 2013, 2015 SAP AG. 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
--- 1,8 ----
/*
* Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
! * Copyright (c) 2015 SAP AG. 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*** 604,626 ****
__ push_frame(top_frame_size, R11_scratch1);
}
// End of helpers
-
- // Support abs and sqrt like in compiler.
- // For others we can use a normal (native) entry.
-
- inline bool math_entry_available(AbstractInterpreter::MethodKind kind) {
- if (!InlineIntrinsics) return false;
-
- return ((kind==Interpreter::java_lang_math_sqrt && VM_Version::has_fsqrt()) ||
- (kind==Interpreter::java_lang_math_abs));
- }
-
address TemplateInterpreterGenerator::generate_math_entry(AbstractInterpreter::MethodKind kind) {
! if (!math_entry_available(kind)) {
NOT_PRODUCT(__ should_not_reach_here();)
return NULL;
}
address entry = __ pc();
--- 604,615 ----
__ push_frame(top_frame_size, R11_scratch1);
}
// End of helpers
address TemplateInterpreterGenerator::generate_math_entry(AbstractInterpreter::MethodKind kind) {
! if (!TemplateInterpreter::math_entry_available(kind)) {
NOT_PRODUCT(__ should_not_reach_here();)
return NULL;
}
address entry = __ pc();
*** 1401,1512 ****
}
return NULL;
}
- // These should never be compiled since the interpreter will prefer
- // the compiled version to the intrinsic version.
- bool AbstractInterpreter::can_be_compiled(methodHandle m) {
- return !math_entry_available(method_kind(m));
- }
-
- // How much stack a method activation needs in stack slots.
- // We must calc this exactly like in generate_fixed_frame.
- // Note: This returns the conservative size assuming maximum alignment.
- int AbstractInterpreter::size_top_interpreter_activation(Method* method) {
- const int max_alignment_size = 2;
- const int abi_scratch = frame::abi_reg_args_size;
- return method->max_locals() + method->max_stack() +
- frame::interpreter_frame_monitor_size() + max_alignment_size + abi_scratch;
- }
-
- // Returns number of stackElementWords needed for the interpreter frame with the
- // given sections.
- // This overestimates the stack by one slot in case of alignments.
- int AbstractInterpreter::size_activation(int max_stack,
- int temps,
- int extra_args,
- int monitors,
- int callee_params,
- int callee_locals,
- bool is_top_frame) {
- // Note: This calculation must exactly parallel the frame setup
- // in InterpreterGenerator::generate_fixed_frame.
- assert(Interpreter::stackElementWords == 1, "sanity");
- const int max_alignment_space = StackAlignmentInBytes / Interpreter::stackElementSize;
- const int abi_scratch = is_top_frame ? (frame::abi_reg_args_size / Interpreter::stackElementSize) :
- (frame::abi_minframe_size / Interpreter::stackElementSize);
- const int size =
- max_stack +
- (callee_locals - callee_params) +
- monitors * frame::interpreter_frame_monitor_size() +
- max_alignment_space +
- abi_scratch +
- frame::ijava_state_size / Interpreter::stackElementSize;
-
- // Fixed size of an interpreter frame, align to 16-byte.
- return (size & -2);
- }
-
- // Fills a sceletal interpreter frame generated during deoptimizations.
- //
- // Parameters:
- //
- // interpreter_frame != NULL:
- // set up the method, locals, and monitors.
- // The frame interpreter_frame, if not NULL, is guaranteed to be the
- // right size, as determined by a previous call to this method.
- // It is also guaranteed to be walkable even though it is in a skeletal state
- //
- // is_top_frame == true:
- // We're processing the *oldest* interpreter frame!
- //
- // pop_frame_extra_args:
- // If this is != 0 we are returning to a deoptimized frame by popping
- // off the callee frame. We want to re-execute the call that called the
- // callee interpreted, but since the return to the interpreter would pop
- // the arguments off advance the esp by dummy popframe_extra_args slots.
- // Popping off those will establish the stack layout as it was before the call.
- //
- void AbstractInterpreter::layout_activation(Method* method,
- int tempcount,
- int popframe_extra_args,
- int moncount,
- int caller_actual_parameters,
- int callee_param_count,
- int callee_locals_count,
- frame* caller,
- frame* interpreter_frame,
- bool is_top_frame,
- bool is_bottom_frame) {
-
- const int abi_scratch = is_top_frame ? (frame::abi_reg_args_size / Interpreter::stackElementSize) :
- (frame::abi_minframe_size / Interpreter::stackElementSize);
-
- intptr_t* locals_base = (caller->is_interpreted_frame()) ?
- caller->interpreter_frame_esp() + caller_actual_parameters :
- caller->sp() + method->max_locals() - 1 + (frame::abi_minframe_size / Interpreter::stackElementSize) ;
-
- intptr_t* monitor_base = caller->sp() - frame::ijava_state_size / Interpreter::stackElementSize ;
- intptr_t* monitor = monitor_base - (moncount * frame::interpreter_frame_monitor_size());
- intptr_t* esp_base = monitor - 1;
- intptr_t* esp = esp_base - tempcount - popframe_extra_args;
- intptr_t* sp = (intptr_t *) (((intptr_t) (esp_base - callee_locals_count + callee_param_count - method->max_stack()- abi_scratch)) & -StackAlignmentInBytes);
- intptr_t* sender_sp = caller->sp() + (frame::abi_minframe_size - frame::abi_reg_args_size) / Interpreter::stackElementSize;
- intptr_t* top_frame_sp = is_top_frame ? sp : sp + (frame::abi_minframe_size - frame::abi_reg_args_size) / Interpreter::stackElementSize;
-
- interpreter_frame->interpreter_frame_set_method(method);
- interpreter_frame->interpreter_frame_set_locals(locals_base);
- interpreter_frame->interpreter_frame_set_cpcache(method->constants()->cache());
- interpreter_frame->interpreter_frame_set_esp(esp);
- interpreter_frame->interpreter_frame_set_monitor_end((BasicObjectLock *)monitor);
- interpreter_frame->interpreter_frame_set_top_frame_sp(top_frame_sp);
- if (!is_bottom_frame) {
- interpreter_frame->interpreter_frame_set_sender_sp(sender_sp);
- }
- }
-
// =============================================================================
// Exceptions
void TemplateInterpreterGenerator::generate_throw_exception() {
Register Rexception = R17_tos,
--- 1390,1399 ----
src/cpu/ppc/vm/templateInterpreterGenerator_ppc.cpp
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