s390.md: Add comment lines for 'f' and 't' constraint letters.

2005-05-10  Adrian Straetling  <straetling@de.ibm.com>

	* config/s390/s390.md: Add comment lines for 'f' and 't' constraint
	letters.

From-SVN: r99538

gcc/ChangeLog

 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
 
+	* config/s390/s390.md: Add comment lines for 'f' and 't' constraint
+	letters.
+	
+2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
+
 	* config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
 	("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
 	("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.

gcc/config/s390/s390.md

@@ -27,6 +27,8 @@
 ;;    a -- Any address register from 1 to 15.
 ;;    c -- Condition code register 33.
 ;;    d -- Any register from 0 to 15.
+;;    f -- Floating point registers.
+;;    t -- Access registers 36 and 37.
 ;;    I -- An 8-bit constant (0..255).
 ;;    J -- A 12-bit constant (0..4095).
 ;;    K -- A 16-bit constant (-32768..32767).