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-rw-r--r--gcc/doc/md.texi6
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi
index f6314af..2a1f991 100644
--- a/gcc/doc/md.texi
+++ b/gcc/doc/md.texi
@@ -2918,6 +2918,9 @@ A signed 16-bit constant.
A memory operand whose address is formed by a base register and offset
that is suitable for use in instructions with the same addressing mode
as @code{st.w} and @code{ld.w}.
+@item q
+A general-purpose register except for $r0 and $r1 (for the csrxchg
+instruction)
@item I
A signed 12-bit constant (for arithmetic instructions).
@item K
@@ -3694,6 +3697,9 @@ RVC general purpose register (x8-x15).
RVC floating-point registers (f8-f15), if available, reuse GPR as FPR when use
zfinx.
+@item cR
+Even-odd RVC general purpose register pair.
+
@item R
Even-odd general purpose register pair.