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RISC-V: Add description for -march-attr/-mno-arch-attr options in gas doc.

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gas/
	* doc/c-riscv.texi: Add the doc entries for -march-attr/
	-mno-arch-attr command line options.
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Nelson Chu 2020-02-05 19:14:21 -08:00 committed by Jim Wilson
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gas/ChangeLog
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@ -1,3 +1,8 @@
2020-02-19 Nelson Chu <nelson.chu@sifive.com>
* doc/c-riscv.texi: Add the doc entries for -march-attr/
-mno-arch-attr command line options.
2020-02-19 Nelson Chu <nelson.chu@sifive.com>
* testsuite/gas/riscv/c-add-addi.d: New testcase.

14
gas/doc/c-riscv.texi
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@ -59,6 +59,20 @@ required to materialize symbol addresses. (default)
@item -mno-relax
Don't do linker relaxations.
@cindex @samp{-march-attr} option, RISC-V
@item -march-attr
Generate the default contents for the riscv elf attribute section if the
.attribute directives are not set. This section is used to record the
information that a linker or runtime loader needs to check compatibility.
This information includes ISA string, stack alignment requirement, unaligned
memory accesses, and the major, minor and revision version of privileged
specification.
@cindex @samp{-mno-arch-attr} option, RISC-V
@item -mno-arch-attr
Don't generate the default riscv elf attribute section if the .attribute
directives are not set.
@end table
@c man end