avr.md: Explain asm print modifier 'r' for REG.

	* config/avr/avr.md: Explain asm print modifier 'r' for REG.

From-SVN: r201163

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d63ff27..c35938d 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2013-07-23  Georg-Johann Lay  <avr@gjlay.de>
+
+       * config/avr/avr.md: Explain asm print modifier 'r' for REG.
+
 2013-07-22  Bill Schmidt  <wschmidt@vnet.linux.ibm.com>
            Anton Blanchard <anton@au1.ibm.com>
 

diff --git a/gcc/config/avr/avr.md b/gcc/config/avr/avr.md
index f268123..cf4e042 100644 (file)
--- a/gcc/config/avr/avr.md
+++ b/gcc/config/avr/avr.md
@@ -32,6 +32,7 @@
 ;;  o  Displacement for (mem (plus (reg) (const_int))) operands.
 ;;  p  POST_INC or PRE_DEC address as a pointer (X, Y, Z)
 ;;  r  POST_INC or PRE_DEC address as a register (r26, r28, r30)
+;;  r  Print a REG without the register prefix 'r'.
 ;; T/T Print operand suitable for BLD/BST instruction, i.e. register and
 ;;     bit number.  This gets 2 operands: The first %T gets a REG_P and
 ;;     just cashes the operand for the next %T.  The second %T gets