[PATCH] RISC-V: Note that __builtin_riscv_pause() implies Xgnuzihintpausestate

[Palmer Dabbelt]

gcc/ChangeLog:

        * doc/extend.texi (__builtin_riscv_pause): Imply
        Xgnuzihintpausestate.
---
 gcc/doc/extend.texi | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index b1dd39e64b8..26f14e61bc8 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -21103,7 +21103,9 @@ 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
-- 
2.38.1