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Add -z isa-level-report=[none|all|needed|used] to the x86 ELF linker to
report needed and used x86-64 ISA levels.
bfd/
PR ld/31868
* elf-linker-x86.h (elf_x86_isa_level_report): New.
(elf_linker_x86_params): Add isa_level_report.
* elfxx-x86.c (report_isa_level): New.
(_bfd_x86_elf_link_setup_gnu_properties): Check
-z isa-level-report=[none|all|needed|used] to report needed and
used x86-64 ISA level.
ld/
PR ld/31868
* NEWS: Mention -z isa-level-report=[none|all|needed|used].
* ld.texi: Document -z isa-level-report=[none|all|needed|used].
* emulparams/elf32_x86_64.sh: Source x86-64-level-report.sh.
* emulparams/elf_i386.sh: Likewise.
* emulparams/elf_x86_64.sh: Likewise.
* emulparams/x86-64-level-report.sh: New file.
* testsuite/ld-i386/pr31868a.d: Likewise.
* testsuite/ld-i386/pr31868b.d: Likewise.
* testsuite/ld-i386/pr31868c.d: Likewise.
* testsuite/ld-x86-64/pr31868a-x32.d: Likewise.
* testsuite/ld-x86-64/pr31868a.d: Likewise.
* testsuite/ld-x86-64/pr31868a.l: Likewise.
* testsuite/ld-x86-64/pr31868a.s: Likewise.
* testsuite/ld-x86-64/pr31868b-x32.d: Likewise.
* testsuite/ld-x86-64/pr31868b.d: Likewise.
* testsuite/ld-x86-64/pr31868b.l: Likewise.
* testsuite/ld-x86-64/pr31868b.s: Likewise.
* testsuite/ld-x86-64/pr31868c-x32.d: Likewise.
* testsuite/ld-x86-64/pr31868c.d: Likewise.
* testsuite/ld-x86-64/pr31868c.l: Likewise.
* testsuite/ld-i386/i386.exp: Run PR ld/31868 tests.
* testsuite/ld-x86-64/x86-64.exp: Likewise.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
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