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6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64

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A modified MethodHandlesTest revealed two bugs on x86_64.

Reviewed-by: never, jrose
This commit is contained in:
Christian Thalinger 2010-03-08 04:46:30 -08:00
parent a9c71d9169
commit 94a808f51d
1 changed files with 18 additions and 8 deletions
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26
hotspot/src/cpu/x86/vm/methodHandles_x86.cpp
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@ -1,5 +1,5 @@
/*
* Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 1997-2010 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
@ -715,9 +715,14 @@ void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHan
switch (ek) {
case _adapter_opt_i2l:
{
#ifdef _LP64
__ movslq(rdx_temp, vmarg1); // Load sign-extended
__ movq(vmarg1, rdx_temp); // Store into first slot
#else
__ movl(rdx_temp, vmarg1);
__ sarl(rdx_temp, 31); // __ extend_sign()
__ sarl(rdx_temp, BitsPerInt - 1); // __ extend_sign()
__ movl(vmarg2, rdx_temp); // store second word
#endif
}
break;
case _adapter_opt_unboxl:
@ -727,10 +732,15 @@ void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHan
int value_offset = java_lang_boxing_object::value_offset_in_bytes(T_LONG);
assert(value_offset == java_lang_boxing_object::value_offset_in_bytes(T_DOUBLE), "");
__ null_check(rdx_temp, value_offset);
#ifdef _LP64
__ movq(rbx_temp, Address(rdx_temp, value_offset));
__ movq(vmarg1, rbx_temp);
#else
__ movl(rbx_temp, Address(rdx_temp, value_offset + 0*BytesPerInt));
__ movl(rdx_temp, Address(rdx_temp, value_offset + 1*BytesPerInt));
__ movl(vmarg1, rbx_temp);
__ movl(vmarg2, rdx_temp);
#endif
}
break;
default:
@ -925,8 +935,8 @@ void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHan
// 'stack_move' is negative number of words to duplicate
Register rdx_stack_move = rdx_temp;
__ movl(rdx_stack_move, rcx_amh_conversion);
__ sarl(rdx_stack_move, CONV_STACK_MOVE_SHIFT);
__ movl2ptr(rdx_stack_move, rcx_amh_conversion);
__ sarptr(rdx_stack_move, CONV_STACK_MOVE_SHIFT);
int argslot0_num = 0;
Address argslot0 = __ argument_address(RegisterOrConstant(argslot0_num));
@ -988,8 +998,8 @@ void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHan
// 'stack_move' is number of words to drop
Register rdi_stack_move = rdi;
__ movl(rdi_stack_move, rcx_amh_conversion);
__ sarl(rdi_stack_move, CONV_STACK_MOVE_SHIFT);
__ movl2ptr(rdi_stack_move, rcx_amh_conversion);
__ sarptr(rdi_stack_move, CONV_STACK_MOVE_SHIFT);
remove_arg_slots(_masm, rdi_stack_move,
rax_argslot, rbx_temp, rdx_temp);
@ -1079,8 +1089,8 @@ void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHan
__ lea(rdx_argslot_limit, Address(rax_argslot, Interpreter::stackElementSize()));
// 'stack_move' is negative number of words to insert
Register rdi_stack_move = rdi;
__ movl(rdi_stack_move, rcx_amh_conversion);
__ sarl(rdi_stack_move, CONV_STACK_MOVE_SHIFT);
__ movl2ptr(rdi_stack_move, rcx_amh_conversion);
__ sarptr(rdi_stack_move, CONV_STACK_MOVE_SHIFT);
Register rsi_temp = rsi_array; // spill this
insert_arg_slots(_masm, rdi_stack_move, -1,
rax_argslot, rbx_temp, rsi_temp);