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Philipp Tomsich b625eff8a2 RISC-V: Support Zicond extension 
This implements the Zicond (conditional integer operations) extension,
    as of version 1.0-rc2.

    The Zicond extension acts as a building block for branchless sequences
    including conditional-arithmetic, conditional-logic and
    conditional-select/move.
    The following instructions constitute Zicond:
      - czero.eqz rd, rs1, rs2  =>  rd = (rs2 == 0) ? 0 : rs1
      - czero.nez rd, rs1, rs2  =>  rd = (rs2 != 0) ? 0 : rs1

    See
      https://github.com/riscv/riscv-zicond/releases/download/v1.0-rc2/riscv-zicond-v1.0-rc2.pdf
    for the proposed specification and usage details.

    bfd/ChangeLog:

            * elfxx-riscv.c (riscv_multi_subset_supports): Recognize
            INSN_CLASS_ZICOND.
            (riscv_multi_subset_supports_ext): Recognize INSN_CLASS_ZICOND.

    gas/ChangeLog:

            * testsuite/gas/riscv/zicond.d: New test.
            * testsuite/gas/riscv/zicond.s: New test.

    include/ChangeLog:

            * opcode/riscv-opc.h (MATCH_CZERO_EQZ): Define.
            (MASK_CZERO_EQZ): Define.
            (MATCH_CZERO_NEZ): Define,
            (MASK_CZERO_NEZ): Define.
            (DECLARE_INSN): Add czero.eqz and czero.nez.
            * opcode/riscv.h (enum riscv_insn_class): Add
            INSN_CLASS_ZICOND.

    opcodes/ChangeLog:

            * riscv-opc.c: Add czero.eqz and czero.nez.

    Signed-off-by: Philipp Tomsich <philipp.tomsich@vrull.eu>
2023-06-27 07:24:43 -06:00
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aout
Delete include/aout/encap.h
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cgen
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coff
ecoff find_nearest_line and final link leaks
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elf
Add MIPS Allegrex CPU as a MIPS2-based CPU
2023-06-15 04:45:03 +01:00
gdb
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mach-o
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opcode
RISC-V: Support Zicond extension
2023-06-27 07:24:43 -06:00
sim
sim: info: convert verbose field to a bool
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som
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vms
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alloca-conf.h
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ansidecl.h
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bfdlink.h
ppc32 and "LOAD segment with RWX permissions"
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binary-io.h
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bout.h
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ChangeLog
Remove duplicate definition
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collectorAPI.h
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COPYING
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COPYING3
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ctf-api.h
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ctf.h
ctf: fix various dreadful typos in the ctf_archive format comments
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demangle.h
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diagnostics.h
gdbsupport: ignore -Wenum-constexpr-conversion in enum-flags.h
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dis-asm.h
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dwarf2.def
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dyn-string.h
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environ.h
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fibheap.h
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filenames.h
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floatformat.h
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fnmatch.h
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gcc-c-interface.h
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gcc-cp-interface.h
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gcc-interface.h
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getopt.h
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hashtab.h
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libcollector.h
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libfcollector.h
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libiberty.h
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lto-symtab.h
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MAINTAINERS
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md5.h
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objalloc.h
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partition.h
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plugin-api.h
PR29961, plugin-api.h: "Could not detect architecture endianess"
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safe-ctype.h
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sframe-api.h
libsframe: fix cosmetic issues and typos
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sframe.h
sframe: correct some typos
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sha1.h
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simple-object.h
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sort.h
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splay-tree.h
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symcat.h
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timeval-utils.h
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vtv-change-permission.h
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xregex2.h
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xregex.h
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xtensa-config.h
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xtensa-dynconfig.h
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xtensa-isa-internal.h
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xtensa-isa.h
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