| /* |
| * Copyright (c) 2003, 2017, Oracle and/or its affiliates. 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. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "asm/macroAssembler.hpp" |
| #include "interpreter/interp_masm.hpp" |
| #include "interpreter/interpreter.hpp" |
| #include "interpreter/interpreterRuntime.hpp" |
| #include "interpreter/templateInterpreterGenerator.hpp" |
| #include "runtime/arguments.hpp" |
| #include "runtime/sharedRuntime.hpp" |
| |
| #define __ _masm-> |
| |
| #ifdef _WIN64 |
| address TemplateInterpreterGenerator::generate_slow_signature_handler() { |
| address entry = __ pc(); |
| |
| // rbx: method |
| // r14: pointer to locals |
| // c_rarg3: first stack arg - wordSize |
| __ mov(c_rarg3, rsp); |
| // adjust rsp |
| __ subptr(rsp, 4 * wordSize); |
| __ call_VM(noreg, |
| CAST_FROM_FN_PTR(address, |
| InterpreterRuntime::slow_signature_handler), |
| rbx, r14, c_rarg3); |
| |
| // rax: result handler |
| |
| // Stack layout: |
| // rsp: 3 integer or float args (if static first is unused) |
| // 1 float/double identifiers |
| // return address |
| // stack args |
| // garbage |
| // expression stack bottom |
| // bcp (NULL) |
| // ... |
| |
| // Do FP first so we can use c_rarg3 as temp |
| __ movl(c_rarg3, Address(rsp, 3 * wordSize)); // float/double identifiers |
| |
| for ( int i= 0; i < Argument::n_int_register_parameters_c-1; i++ ) { |
| XMMRegister floatreg = as_XMMRegister(i+1); |
| Label isfloatordouble, isdouble, next; |
| |
| __ testl(c_rarg3, 1 << (i*2)); // Float or Double? |
| __ jcc(Assembler::notZero, isfloatordouble); |
| |
| // Do Int register here |
| switch ( i ) { |
| case 0: |
| __ movl(rscratch1, Address(rbx, Method::access_flags_offset())); |
| __ testl(rscratch1, JVM_ACC_STATIC); |
| __ cmovptr(Assembler::zero, c_rarg1, Address(rsp, 0)); |
| break; |
| case 1: |
| __ movptr(c_rarg2, Address(rsp, wordSize)); |
| break; |
| case 2: |
| __ movptr(c_rarg3, Address(rsp, 2 * wordSize)); |
| break; |
| default: |
| break; |
| } |
| |
| __ jmp (next); |
| |
| __ bind(isfloatordouble); |
| __ testl(c_rarg3, 1 << ((i*2)+1)); // Double? |
| __ jcc(Assembler::notZero, isdouble); |
| |
| // Do Float Here |
| __ movflt(floatreg, Address(rsp, i * wordSize)); |
| __ jmp(next); |
| |
| // Do Double here |
| __ bind(isdouble); |
| __ movdbl(floatreg, Address(rsp, i * wordSize)); |
| |
| __ bind(next); |
| } |
| |
| |
| // restore rsp |
| __ addptr(rsp, 4 * wordSize); |
| |
| __ ret(0); |
| |
| return entry; |
| } |
| #else |
| address TemplateInterpreterGenerator::generate_slow_signature_handler() { |
| address entry = __ pc(); |
| |
| // rbx: method |
| // r14: pointer to locals |
| // c_rarg3: first stack arg - wordSize |
| __ mov(c_rarg3, rsp); |
| // adjust rsp |
| __ subptr(rsp, 14 * wordSize); |
| __ call_VM(noreg, |
| CAST_FROM_FN_PTR(address, |
| InterpreterRuntime::slow_signature_handler), |
| rbx, r14, c_rarg3); |
| |
| // rax: result handler |
| |
| // Stack layout: |
| // rsp: 5 integer args (if static first is unused) |
| // 1 float/double identifiers |
| // 8 double args |
| // return address |
| // stack args |
| // garbage |
| // expression stack bottom |
| // bcp (NULL) |
| // ... |
| |
| // Do FP first so we can use c_rarg3 as temp |
| __ movl(c_rarg3, Address(rsp, 5 * wordSize)); // float/double identifiers |
| |
| for (int i = 0; i < Argument::n_float_register_parameters_c; i++) { |
| const XMMRegister r = as_XMMRegister(i); |
| |
| Label d, done; |
| |
| __ testl(c_rarg3, 1 << i); |
| __ jcc(Assembler::notZero, d); |
| __ movflt(r, Address(rsp, (6 + i) * wordSize)); |
| __ jmp(done); |
| __ bind(d); |
| __ movdbl(r, Address(rsp, (6 + i) * wordSize)); |
| __ bind(done); |
| } |
| |
| // Now handle integrals. Only do c_rarg1 if not static. |
| __ movl(c_rarg3, Address(rbx, Method::access_flags_offset())); |
| __ testl(c_rarg3, JVM_ACC_STATIC); |
| __ cmovptr(Assembler::zero, c_rarg1, Address(rsp, 0)); |
| |
| __ movptr(c_rarg2, Address(rsp, wordSize)); |
| __ movptr(c_rarg3, Address(rsp, 2 * wordSize)); |
| __ movptr(c_rarg4, Address(rsp, 3 * wordSize)); |
| __ movptr(c_rarg5, Address(rsp, 4 * wordSize)); |
| |
| // restore rsp |
| __ addptr(rsp, 14 * wordSize); |
| |
| __ ret(0); |
| |
| return entry; |
| } |
| #endif // __WIN64 |
| |
| /** |
| * Method entry for static native methods: |
| * int java.util.zip.CRC32.update(int crc, int b) |
| */ |
| address TemplateInterpreterGenerator::generate_CRC32_update_entry() { |
| if (UseCRC32Intrinsics) { |
| address entry = __ pc(); |
| |
| // rbx,: Method* |
| // r13: senderSP must preserved for slow path, set SP to it on fast path |
| // c_rarg0: scratch (rdi on non-Win64, rcx on Win64) |
| // c_rarg1: scratch (rsi on non-Win64, rdx on Win64) |
| |
| Label slow_path; |
| __ safepoint_poll(slow_path, r15_thread, rscratch1); |
| |
| // We don't generate local frame and don't align stack because |
| // we call stub code and there is no safepoint on this path. |
| |
| // Load parameters |
| const Register crc = rax; // crc |
| const Register val = c_rarg0; // source java byte value |
| const Register tbl = c_rarg1; // scratch |
| |
| // Arguments are reversed on java expression stack |
| __ movl(val, Address(rsp, wordSize)); // byte value |
| __ movl(crc, Address(rsp, 2*wordSize)); // Initial CRC |
| |
| __ lea(tbl, ExternalAddress(StubRoutines::crc_table_addr())); |
| __ notl(crc); // ~crc |
| __ update_byte_crc32(crc, val, tbl); |
| __ notl(crc); // ~crc |
| // result in rax |
| |
| // _areturn |
| __ pop(rdi); // get return address |
| __ mov(rsp, r13); // set sp to sender sp |
| __ jmp(rdi); |
| |
| // generate a vanilla native entry as the slow path |
| __ bind(slow_path); |
| __ jump_to_entry(Interpreter::entry_for_kind(Interpreter::native)); |
| return entry; |
| } |
| return NULL; |
| } |
| |
| /** |
| * Method entry for static native methods: |
| * int java.util.zip.CRC32.updateBytes(int crc, byte[] b, int off, int len) |
| * int java.util.zip.CRC32.updateByteBuffer(int crc, long buf, int off, int len) |
| */ |
| address TemplateInterpreterGenerator::generate_CRC32_updateBytes_entry(AbstractInterpreter::MethodKind kind) { |
| if (UseCRC32Intrinsics) { |
| address entry = __ pc(); |
| |
| // rbx,: Method* |
| // r13: senderSP must preserved for slow path, set SP to it on fast path |
| |
| Label slow_path; |
| __ safepoint_poll(slow_path, r15_thread, rscratch1); |
| |
| // We don't generate local frame and don't align stack because |
| // we call stub code and there is no safepoint on this path. |
| |
| // Load parameters |
| const Register crc = c_rarg0; // crc |
| const Register buf = c_rarg1; // source java byte array address |
| const Register len = c_rarg2; // length |
| const Register off = len; // offset (never overlaps with 'len') |
| |
| // Arguments are reversed on java expression stack |
| // Calculate address of start element |
| if (kind == Interpreter::java_util_zip_CRC32_updateByteBuffer) { |
| __ movptr(buf, Address(rsp, 3*wordSize)); // long buf |
| __ movl2ptr(off, Address(rsp, 2*wordSize)); // offset |
| __ addq(buf, off); // + offset |
| __ movl(crc, Address(rsp, 5*wordSize)); // Initial CRC |
| } else { |
| __ movptr(buf, Address(rsp, 3*wordSize)); // byte[] array |
| __ addptr(buf, arrayOopDesc::base_offset_in_bytes(T_BYTE)); // + header size |
| __ movl2ptr(off, Address(rsp, 2*wordSize)); // offset |
| __ addq(buf, off); // + offset |
| __ movl(crc, Address(rsp, 4*wordSize)); // Initial CRC |
| } |
| // Can now load 'len' since we're finished with 'off' |
| __ movl(len, Address(rsp, wordSize)); // Length |
| |
| __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, StubRoutines::updateBytesCRC32()), crc, buf, len); |
| // result in rax |
| |
| // _areturn |
| __ pop(rdi); // get return address |
| __ mov(rsp, r13); // set sp to sender sp |
| __ jmp(rdi); |
| |
| // generate a vanilla native entry as the slow path |
| __ bind(slow_path); |
| __ jump_to_entry(Interpreter::entry_for_kind(Interpreter::native)); |
| return entry; |
| } |
| return NULL; |
| } |
| |
| /** |
| * Method entry for static (non-native) methods: |
| * int java.util.zip.CRC32C.updateBytes(int crc, byte[] b, int off, int end) |
| * int java.util.zip.CRC32C.updateDirectByteBuffer(int crc, long address, int off, int end) |
| */ |
| address TemplateInterpreterGenerator::generate_CRC32C_updateBytes_entry(AbstractInterpreter::MethodKind kind) { |
| if (UseCRC32CIntrinsics) { |
| address entry = __ pc(); |
| // Load parameters |
| const Register crc = c_rarg0; // crc |
| const Register buf = c_rarg1; // source java byte array address |
| const Register len = c_rarg2; |
| const Register off = c_rarg3; // offset |
| const Register end = len; |
| |
| // Arguments are reversed on java expression stack |
| // Calculate address of start element |
| if (kind == Interpreter::java_util_zip_CRC32C_updateDirectByteBuffer) { |
| __ movptr(buf, Address(rsp, 3 * wordSize)); // long address |
| __ movl2ptr(off, Address(rsp, 2 * wordSize)); // offset |
| __ addq(buf, off); // + offset |
| __ movl(crc, Address(rsp, 5 * wordSize)); // Initial CRC |
| // Note on 5 * wordSize vs. 4 * wordSize: |
| // * int java.util.zip.CRC32C.updateByteBuffer(int crc, long address, int off, int end) |
| // 4 2,3 1 0 |
| // end starts at SP + 8 |
| // The Java(R) Virtual Machine Specification Java SE 7 Edition |
| // 4.10.2.3. Values of Types long and double |
| // "When calculating operand stack length, values of type long and double have length two." |
| } else { |
| __ movptr(buf, Address(rsp, 3 * wordSize)); // byte[] array |
| __ addptr(buf, arrayOopDesc::base_offset_in_bytes(T_BYTE)); // + header size |
| __ movl2ptr(off, Address(rsp, 2 * wordSize)); // offset |
| __ addq(buf, off); // + offset |
| __ movl(crc, Address(rsp, 4 * wordSize)); // Initial CRC |
| } |
| __ movl(end, Address(rsp, wordSize)); // end |
| __ subl(end, off); // end - off |
| __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, StubRoutines::updateBytesCRC32C()), crc, buf, len); |
| // result in rax |
| // _areturn |
| __ pop(rdi); // get return address |
| __ mov(rsp, r13); // set sp to sender sp |
| __ jmp(rdi); |
| |
| return entry; |
| } |
| |
| return NULL; |
| } |
| |
| // |
| // Various method entries |
| // |
| |
| address TemplateInterpreterGenerator::generate_math_entry(AbstractInterpreter::MethodKind kind) { |
| |
| // rbx,: Method* |
| // rcx: scratrch |
| // r13: sender sp |
| |
| if (!InlineIntrinsics) return NULL; // Generate a vanilla entry |
| |
| address entry_point = __ pc(); |
| |
| // These don't need a safepoint check because they aren't virtually |
| // callable. We won't enter these intrinsics from compiled code. |
| // If in the future we added an intrinsic which was virtually callable |
| // we'd have to worry about how to safepoint so that this code is used. |
| |
| // mathematical functions inlined by compiler |
| // (interpreter must provide identical implementation |
| // in order to avoid monotonicity bugs when switching |
| // from interpreter to compiler in the middle of some |
| // computation) |
| // |
| // stack: [ ret adr ] <-- rsp |
| // [ lo(arg) ] |
| // [ hi(arg) ] |
| // |
| |
| if (kind == Interpreter::java_lang_math_fmaD) { |
| if (!UseFMA) { |
| return NULL; // Generate a vanilla entry |
| } |
| __ movdbl(xmm0, Address(rsp, wordSize)); |
| __ movdbl(xmm1, Address(rsp, 3 * wordSize)); |
| __ movdbl(xmm2, Address(rsp, 5 * wordSize)); |
| __ fmad(xmm0, xmm1, xmm2, xmm0); |
| } else if (kind == Interpreter::java_lang_math_fmaF) { |
| if (!UseFMA) { |
| return NULL; // Generate a vanilla entry |
| } |
| __ movflt(xmm0, Address(rsp, wordSize)); |
| __ movflt(xmm1, Address(rsp, 2 * wordSize)); |
| __ movflt(xmm2, Address(rsp, 3 * wordSize)); |
| __ fmaf(xmm0, xmm1, xmm2, xmm0); |
| } else if (kind == Interpreter::java_lang_math_sqrt) { |
| __ sqrtsd(xmm0, Address(rsp, wordSize)); |
| } else if (kind == Interpreter::java_lang_math_exp) { |
| __ movdbl(xmm0, Address(rsp, wordSize)); |
| if (StubRoutines::dexp() != NULL) { |
| __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, StubRoutines::dexp()))); |
| } else { |
| __ call_VM_leaf0(CAST_FROM_FN_PTR(address, SharedRuntime::dexp)); |
| } |
| } else if (kind == Interpreter::java_lang_math_log) { |
| __ movdbl(xmm0, Address(rsp, wordSize)); |
| if (StubRoutines::dlog() != NULL) { |
| __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, StubRoutines::dlog()))); |
| } else { |
| __ call_VM_leaf0(CAST_FROM_FN_PTR(address, SharedRuntime::dlog)); |
| } |
| } else if (kind == Interpreter::java_lang_math_log10) { |
| __ movdbl(xmm0, Address(rsp, wordSize)); |
| if (StubRoutines::dlog10() != NULL) { |
| __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, StubRoutines::dlog10()))); |
| } else { |
| __ call_VM_leaf0(CAST_FROM_FN_PTR(address, SharedRuntime::dlog10)); |
| } |
| } else if (kind == Interpreter::java_lang_math_sin) { |
| __ movdbl(xmm0, Address(rsp, wordSize)); |
| if (StubRoutines::dsin() != NULL) { |
| __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, StubRoutines::dsin()))); |
| } else { |
| __ call_VM_leaf0(CAST_FROM_FN_PTR(address, SharedRuntime::dsin)); |
| } |
| } else if (kind == Interpreter::java_lang_math_cos) { |
| __ movdbl(xmm0, Address(rsp, wordSize)); |
| if (StubRoutines::dcos() != NULL) { |
| __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, StubRoutines::dcos()))); |
| } else { |
| __ call_VM_leaf0(CAST_FROM_FN_PTR(address, SharedRuntime::dcos)); |
| } |
| } else if (kind == Interpreter::java_lang_math_pow) { |
| __ movdbl(xmm1, Address(rsp, wordSize)); |
| __ movdbl(xmm0, Address(rsp, 3 * wordSize)); |
| if (StubRoutines::dpow() != NULL) { |
| __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, StubRoutines::dpow()))); |
| } else { |
| __ call_VM_leaf0(CAST_FROM_FN_PTR(address, SharedRuntime::dpow)); |
| } |
| } else if (kind == Interpreter::java_lang_math_tan) { |
| __ movdbl(xmm0, Address(rsp, wordSize)); |
| if (StubRoutines::dtan() != NULL) { |
| __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, StubRoutines::dtan()))); |
| } else { |
| __ call_VM_leaf0(CAST_FROM_FN_PTR(address, SharedRuntime::dtan)); |
| } |
| } else { |
| __ fld_d(Address(rsp, wordSize)); |
| switch (kind) { |
| case Interpreter::java_lang_math_abs: |
| __ fabs(); |
| break; |
| default: |
| ShouldNotReachHere(); |
| } |
| |
| // return double result in xmm0 for interpreter and compilers. |
| __ subptr(rsp, 2*wordSize); |
| // Round to 64bit precision |
| __ fstp_d(Address(rsp, 0)); |
| __ movdbl(xmm0, Address(rsp, 0)); |
| __ addptr(rsp, 2*wordSize); |
| } |
| |
| |
| __ pop(rax); |
| __ mov(rsp, r13); |
| __ jmp(rax); |
| |
| return entry_point; |
| } |
| |
