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aa881ecde4
Add support for the pause hint instruction, as specified in the
Zihintpause extension. The pause instruction is encoded as a
special form of a memory fence (which is available as part of the
base instruction set). The chosen encoding does not mandate any
particular memory ordering and therefore is a true hint.
bfd/
* elfxx-riscv.c (riscv_std_z_ext_strtab): Added zihintpause.
gas/
* config/tc-riscv.c (riscv_multi_subset_supports): Added
INSN_CLASS_ZIHINTPAUSE.
* testsuite/gas/riscv/pause.d: New testcase. Adding coverage for
the pause hint instruction.
* testsuite/gas/riscv/pause.s: Likewise.
include/
* opcode/riscv-opc.h: Added MATCH_PAUSE, MASK_PAUSE and DECLARE_INSN
for pause hint instruction.
* opcode/riscv.h (enum riscv_insn_class): Added INSN_CLASS_ZIHINTPAUSE.
opcodes/
* riscv-opc.c (riscv_opcodes): Add pause hint instruction.
53 lines
1.5 KiB
Plaintext
53 lines
1.5 KiB
Plaintext
2021-01-07 Philipp Tomsich <prt@gnu.org>
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* opcode/riscv-opc.h: Added MATCH_PAUSE, MASK_PAUSE and DECLARE_INSN
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for pause hint instruction.
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* opcode/riscv.h (enum riscv_insn_class): Added INSN_CLASS_ZIHINTPAUSE.
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2021-01-07 Claire Xenia Wolf <claire@symbioticeda.com>
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Jim Wilson <jimw@sifive.com>
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Andrew Waterman <andrew@sifive.com>
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Maxim Blinov <maxim.blinov@embecosm.com>
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Kito Cheng <kito.cheng@sifive.com>
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Nelson Chu <nelson.chu@sifive.com>
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* opcode/riscv-opc.h: Added MASK/MATCH/DECLARE_INSN for ZBA/ZBB/ZBC.
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* opcode/riscv.h (riscv_insn_class): Added INSN_CLASS_ZB*.
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(enum riscv_isa_spec_class): Added ISA_SPEC_CLASS_DRAFT for the
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frozen extensions.
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2021-01-05 Nick Alcock <nick.alcock@oracle.com>
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* ctf-api.h (CTF_MN_RECURSE): New.
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(ctf_member_next): Add flags argument.
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2021-01-05 Nick Alcock <nick.alcock@oracle.com>
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* ctf-api.h (ECTF_INCOMPLETE): New.
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(ECTF_NERR): Adjust.
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2021-01-01 Nicolas Boulenguez <nicolas@debian.org>
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* coff/internal.h: Correct comment spelling.
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* coff/sym.h: Likewise.
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* opcode/aarch64.h: Likewise.
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2021-01-01 Alan Modra <amodra@gmail.com>
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Update year range in copyright notice of all files.
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For older changes see ChangeLog-2020
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Copyright (C) 2021 Free Software Foundation, Inc.
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Copying and distribution of this file, with or without modification,
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are permitted in any medium without royalty provided the copyright
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notice and this notice are preserved.
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Local Variables:
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mode: change-log
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left-margin: 8
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fill-column: 74
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version-control: never
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