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[ARC] Add documentation naked, ilink and firq 

gcc/
xxxx-xx-xx  Claudiu Zissulescu  <claziss@synopsys.com>

	* doc/extend.texi (ARC Function Attributes): Update info.

From-SVN: r272237
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Claudiu Zissulescu 2019-06-13 11:35:19 +02:00 committed by Claudiu Zissulescu
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commit a7b183bf22
2 changed files with 17 additions and 1 deletions
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@ -1,3 +1,7 @@
2019-06-13 Claudiu Zissulescu <claziss@synopsys.com>
* doc/extend.texi (ARC Function Attributes): Update info.
2019-06-13 Feng Xue <fxue@os.amperecomputing.com>
PR tree-optimization/89713

14
gcc/doc/extend.texi
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@ -4140,7 +4140,8 @@ void f () __attribute__ ((interrupt ("ilink1")));
@end smallexample
Permissible values for this parameter are: @w{@code{ilink1}} and
@w{@code{ilink2}}.
@w{@code{ilink2}} for ARCv1 architecture, and @w{@code{ilink}} and
@w{@code{firq}} for ARCv2 architecture.
@item long_call
@itemx medium_call
@ -4183,6 +4184,17 @@ This attribute allows one to mark secure-code functions that are
callable from normal mode. The location of the secure call function
into the @code{sjli} table needs to be passed as argument.
@item naked
@cindex @code{naked} function attribute, ARC
This attribute allows the compiler to construct the requisite function
declaration, while allowing the body of the function to be assembly
code. The specified function will not have prologue/epilogue
sequences generated by the compiler. Only basic @code{asm} statements
can safely be included in naked functions (@pxref{Basic Asm}). While
using extended @code{asm} or a mixture of basic @code{asm} and C code
may appear to work, they cannot be depended upon to work reliably and
are not supported.
@end table
@node ARM Function Attributes