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RISC-V: Note that __builtin_riscv_pause() implies Xgnuzihintpausestate
author
Palmer Dabbelt
<palmer@rivosinc.com>
Fri, 18 Nov 2022 04:25:10 +0000
(20:25 -0800)
committer
Palmer Dabbelt
<palmer@rivosinc.com>
Fri, 16 Dec 2022 16:45:47 +0000
(08:45 -0800)
gcc/ChangeLog:
* doc/extend.texi (__builtin_riscv_pause): Imply
Xgnuzihintpausestate.
gcc/doc/extend.texi
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diff --git
a/gcc/doc/extend.texi
b/gcc/doc/extend.texi
index
608ff54
..
adba057
100644
(file)
--- a/
gcc/doc/extend.texi
+++ b/
gcc/doc/extend.texi
@@
-21109,7
+21109,9
@@
Returns the value that is currently set in the @samp{tp} register.
@end deftypefn
@deftypefn {Built-in Function} void __builtin_riscv_pause (void)
-Generates the @code{pause} (hint) machine instruction.
+Generates the @code{pause} (hint) machine instruction. This implies the
+Xgnuzihintpausestate extension, which redefines the @code{pause} instruction to
+change architectural state.
@end deftypefn
@node RX Built-in Functions