Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/ppc/vm/ppc.ad
src/cpu/ppc/vm/ppc.ad
- changeset 8906
- 584eac5794ff
- parent 8905
- 7c3dc80542b6
- child 9041
- 95a08233f46c
- child 9333
- 2fccf735a116
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replaced
| 8905:7c3dc80542b6 | 8906:584eac5794ff |
|---|---|
| 1 // | 1 // |
| 2 // Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved. | 2 // Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved. |
| 3 // Copyright 2012, 2014 SAP AG. All rights reserved. | 3 // Copyright (c) 2012, 2017 SAP SE. All rights reserved. |
| 4 // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 4 // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 5 // | 5 // |
| 6 // This code is free software; you can redistribute it and/or modify it | 6 // This code is free software; you can redistribute it and/or modify it |
| 7 // under the terms of the GNU General Public License version 2 only, as | 7 // under the terms of the GNU General Public License version 2 only, as |
| 8 // published by the Free Software Foundation. | 8 // published by the Free Software Foundation. |
| 8604 format %{ "SRDI $dst, $src1, $src2 \t// Cast ptr $src1 to long and shift" %} | 8604 format %{ "SRDI $dst, $src1, $src2 \t// Cast ptr $src1 to long and shift" %} |
| 8605 size(4); | 8605 size(4); |
| 8606 ins_encode %{ | 8606 ins_encode %{ |
| 8607 // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); | 8607 // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); |
| 8608 __ srdi($dst$$Register, $src1$$Register, ($src2$$constant) & 0x3f); | 8608 __ srdi($dst$$Register, $src1$$Register, ($src2$$constant) & 0x3f); |
| 8609 %} | |
| 8610 ins_pipe(pipe_class_default); | |
| 8611 %} | |
| 8612 | |
| 8613 // Bitfield Extract: URShiftI + AndI | |
| 8614 instruct andI_urShiftI_regI_immI_immIpow2minus1(iRegIdst dst, iRegIsrc src1, immI src2, immIpow2minus1 src3) %{ | |
| 8615 match(Set dst (AndI (URShiftI src1 src2) src3)); | |
| 8616 | |
| 8617 format %{ "EXTRDI $dst, $src1, shift=$src2, mask=$src3 \t// int bitfield extract" %} | |
| 8618 size(4); | |
| 8619 ins_encode %{ | |
| 8620 // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); | |
| 8621 int rshift = ($src2$$constant) & 0x1f; | |
| 8622 int length = log2_long(((jlong) $src3$$constant) + 1); | |
| 8623 if (rshift + length > 32) { | |
| 8624 // if necessary, adjust mask to omit rotated bits. | |
| 8625 length = 32 - rshift; | |
| 8626 } | |
| 8627 __ extrdi($dst$$Register, $src1$$Register, length, 64 - (rshift + length)); | |
| 8628 %} | |
| 8629 ins_pipe(pipe_class_default); | |
| 8630 %} | |
| 8631 | |
| 8632 // Bitfield Extract: URShiftL + AndL | |
| 8633 instruct andL_urShiftL_regL_immI_immLpow2minus1(iRegLdst dst, iRegLsrc src1, immI src2, immLpow2minus1 src3) %{ | |
| 8634 match(Set dst (AndL (URShiftL src1 src2) src3)); | |
| 8635 | |
| 8636 format %{ "EXTRDI $dst, $src1, shift=$src2, mask=$src3 \t// long bitfield extract" %} | |
| 8637 size(4); | |
| 8638 ins_encode %{ | |
| 8639 // TODO: PPC port $archOpcode(ppc64Opcode_rldicl); | |
| 8640 int rshift = ($src2$$constant) & 0x3f; | |
| 8641 int length = log2_long(((jlong) $src3$$constant) + 1); | |
| 8642 if (rshift + length > 64) { | |
| 8643 // if necessary, adjust mask to omit rotated bits. | |
| 8644 length = 64 - rshift; | |
| 8645 } | |
| 8646 __ extrdi($dst$$Register, $src1$$Register, length, 64 - (rshift + length)); | |
| 8609 %} | 8647 %} |
| 8610 ins_pipe(pipe_class_default); | 8648 ins_pipe(pipe_class_default); |
| 8611 %} | 8649 %} |
| 8612 | 8650 |
| 8613 instruct sxtI_reg(iRegIdst dst, iRegIsrc src) %{ | 8651 instruct sxtI_reg(iRegIdst dst, iRegIsrc src) %{ |
