Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/x86/vm/stubGenerator_x86_64.cpp
src/cpu/x86/vm/stubGenerator_x86_64.cpp
- changeset 8307
- daaf806995b3
- parent 7816
- 5f8824f56f39
- child 8318
- ea7ac121a5d3
equal
deleted
inserted
replaced
| 8306:81adfb064a4f | 8307:daaf806995b3 |
|---|---|
| 3741 __ ret(0); | 3741 __ ret(0); |
| 3742 | 3742 |
| 3743 return start; | 3743 return start; |
| 3744 } | 3744 } |
| 3745 | 3745 |
| 3746 /** | |
| 3747 * Arguments: | |
| 3748 * | |
| 3749 // Input: | |
| 3750 // c_rarg0 - x address | |
| 3751 // c_rarg1 - x length | |
| 3752 // c_rarg2 - z address | |
| 3753 // c_rarg3 - z lenth | |
| 3754 * | |
| 3755 */ | |
| 3756 address generate_squareToLen() { | |
| 3757 | |
| 3758 __ align(CodeEntryAlignment); | |
| 3759 StubCodeMark mark(this, "StubRoutines", "squareToLen"); | |
| 3760 | |
| 3761 address start = __ pc(); | |
| 3762 // Win64: rcx, rdx, r8, r9 (c_rarg0, c_rarg1, ...) | |
| 3763 // Unix: rdi, rsi, rdx, rcx (c_rarg0, c_rarg1, ...) | |
| 3764 const Register x = rdi; | |
| 3765 const Register len = rsi; | |
| 3766 const Register z = r8; | |
| 3767 const Register zlen = rcx; | |
| 3768 | |
| 3769 const Register tmp1 = r12; | |
| 3770 const Register tmp2 = r13; | |
| 3771 const Register tmp3 = r14; | |
| 3772 const Register tmp4 = r15; | |
| 3773 const Register tmp5 = rbx; | |
| 3774 | |
| 3775 BLOCK_COMMENT("Entry:"); | |
| 3776 __ enter(); // required for proper stackwalking of RuntimeStub frame | |
| 3777 | |
| 3778 setup_arg_regs(4); // x => rdi, len => rsi, z => rdx | |
| 3779 // zlen => rcx | |
| 3780 // r9 and r10 may be used to save non-volatile registers | |
| 3781 __ movptr(r8, rdx); | |
| 3782 __ square_to_len(x, len, z, zlen, tmp1, tmp2, tmp3, tmp4, tmp5, rdx, rax); | |
| 3783 | |
| 3784 restore_arg_regs(); | |
| 3785 | |
| 3786 __ leave(); // required for proper stackwalking of RuntimeStub frame | |
| 3787 __ ret(0); | |
| 3788 | |
| 3789 return start; | |
| 3790 } | |
| 3791 | |
| 3792 /** | |
| 3793 * Arguments: | |
| 3794 * | |
| 3795 * Input: | |
| 3796 * c_rarg0 - out address | |
| 3797 * c_rarg1 - in address | |
| 3798 * c_rarg2 - offset | |
| 3799 * c_rarg3 - len | |
| 3800 * not Win64 | |
| 3801 * c_rarg4 - k | |
| 3802 * Win64 | |
| 3803 * rsp+40 - k | |
| 3804 */ | |
| 3805 address generate_mulAdd() { | |
| 3806 __ align(CodeEntryAlignment); | |
| 3807 StubCodeMark mark(this, "StubRoutines", "mulAdd"); | |
| 3808 | |
| 3809 address start = __ pc(); | |
| 3810 // Win64: rcx, rdx, r8, r9 (c_rarg0, c_rarg1, ...) | |
| 3811 // Unix: rdi, rsi, rdx, rcx, r8, r9 (c_rarg0, c_rarg1, ...) | |
| 3812 const Register out = rdi; | |
| 3813 const Register in = rsi; | |
| 3814 const Register offset = r11; | |
| 3815 const Register len = rcx; | |
| 3816 const Register k = r8; | |
| 3817 | |
| 3818 // Next registers will be saved on stack in mul_add(). | |
| 3819 const Register tmp1 = r12; | |
| 3820 const Register tmp2 = r13; | |
| 3821 const Register tmp3 = r14; | |
| 3822 const Register tmp4 = r15; | |
| 3823 const Register tmp5 = rbx; | |
| 3824 | |
| 3825 BLOCK_COMMENT("Entry:"); | |
| 3826 __ enter(); // required for proper stackwalking of RuntimeStub frame | |
| 3827 | |
| 3828 setup_arg_regs(4); // out => rdi, in => rsi, offset => rdx | |
| 3829 // len => rcx, k => r8 | |
| 3830 // r9 and r10 may be used to save non-volatile registers | |
| 3831 #ifdef _WIN64 | |
| 3832 // last argument is on stack on Win64 | |
| 3833 __ movl(k, Address(rsp, 6 * wordSize)); | |
| 3834 #endif | |
| 3835 __ movptr(r11, rdx); // move offset in rdx to offset(r11) | |
| 3836 __ mul_add(out, in, offset, len, k, tmp1, tmp2, tmp3, tmp4, tmp5, rdx, rax); | |
| 3837 | |
| 3838 restore_arg_regs(); | |
| 3839 | |
| 3840 __ leave(); // required for proper stackwalking of RuntimeStub frame | |
| 3841 __ ret(0); | |
| 3842 | |
| 3843 return start; | |
| 3844 } | |
| 3845 | |
| 3846 | |
| 3746 #undef __ | 3847 #undef __ |
| 3747 #define __ masm-> | 3848 #define __ masm-> |
| 3748 | 3849 |
| 3749 // Continuation point for throwing of implicit exceptions that are | 3850 // Continuation point for throwing of implicit exceptions that are |
| 3750 // not handled in the current activation. Fabricates an exception | 3851 // not handled in the current activation. Fabricates an exception |
| 3985 &StubRoutines::_safefetchN_continuation_pc); | 4086 &StubRoutines::_safefetchN_continuation_pc); |
| 3986 #ifdef COMPILER2 | 4087 #ifdef COMPILER2 |
| 3987 if (UseMultiplyToLenIntrinsic) { | 4088 if (UseMultiplyToLenIntrinsic) { |
| 3988 StubRoutines::_multiplyToLen = generate_multiplyToLen(); | 4089 StubRoutines::_multiplyToLen = generate_multiplyToLen(); |
| 3989 } | 4090 } |
| 4091 if (UseSquareToLenIntrinsic) { | |
| 4092 StubRoutines::_squareToLen = generate_squareToLen(); | |
| 4093 } | |
| 4094 if (UseMulAddIntrinsic) { | |
| 4095 StubRoutines::_mulAdd = generate_mulAdd(); | |
| 4096 } | |
| 3990 #endif | 4097 #endif |
| 3991 } | 4098 } |
| 3992 | 4099 |
| 3993 public: | 4100 public: |
| 3994 StubGenerator(CodeBuffer* code, bool all) : StubCodeGenerator(code) { | 4101 StubGenerator(CodeBuffer* code, bool all) : StubCodeGenerator(code) { |
