x86: add Bk and Br to comment list B's sub-chars

gcc/

	* config/i386/constraints.md: Mention k and r for B.

diff --git a/gcc/config/i386/constraints.md b/gcc/config/i386/constraints.md
index aeda1078471d364ab79e5926c95668223302ac3a..fd490f3911016b356f93bbdb33feac4d8792b746 100644 (file)
--- a/gcc/config/i386/constraints.md
+++ b/gcc/config/i386/constraints.md
@@ -162,7 +162,9 @@
 ;;  g  GOT memory operand.
 ;;  m  Vector memory operand
 ;;  c  Constant memory operand
+;;  k  TLS address that allows insn using non-integer registers
 ;;  n  Memory operand without REX prefix
+;;  r  Broadcast memory operand
 ;;  s  Sibcall memory operand, not valid for TARGET_X32
 ;;  w  Call memory operand, not valid for TARGET_X32
 ;;  z  Constant call address operand.