bfin.h (REG_CLASS_FROM_LETTER): Rename constraint 'B' to 'v', 'l' to 'u'.

	* config/bfin/bfin.h (REG_CLASS_FROM_LETTER): Rename constraint 'B'
	to 'v', 'l' to 'u'.
	* config/bfin/bfin.md: Change comment accordingly.
	(define_insn loop_end): Replace 'h' with 'v'.
	(lsetup_with_autoinit): Replace 'l' with 'u'. 
	(lsetup_without_autoinit): Ditto.
	* md.texi: Record this change.

From-SVN: r114756

gcc/config/bfin/bfin.h

@@ -548,13 +548,13 @@ enum reg_class
    (LETTER) == 'A' ? EVEN_AREGS : 	\
    (LETTER) == 'B' ? ODD_AREGS : 	\
    (LETTER) == 'b' ? IREGS :            \
-   (LETTER) == 'B' ? BREGS :            \
+   (LETTER) == 'v' ? BREGS :            \
    (LETTER) == 'f' ? MREGS : 		\
    (LETTER) == 'c' ? CIRCREGS :         \
    (LETTER) == 'C' ? CCREGS : 		\
    (LETTER) == 't' ? LT_REGS : 		\
    (LETTER) == 'k' ? LC_REGS : 		\
-   (LETTER) == 'l' ? LB_REGS : 		\
+   (LETTER) == 'u' ? LB_REGS : 		\
    (LETTER) == 'x' ? MOST_REGS :	\
    (LETTER) == 'y' ? PROLOGUE_REGS :	\
    (LETTER) == 'w' ? NON_A_CC_REGS :	\

gcc/config/bfin/bfin.md

@@ -46,12 +46,12 @@
 ;     e  (a0, a1)
 ;     b  (i0..i3)
 ;     f  (m0..m3)
-;     B
+;     v  (b0..b3)
 ;     c  (i0..i3,m0..m3) CIRCREGS
 ;     C  (CC)            CCREGS
 ;     t  (lt0,lt1)
 ;     k  (lc0,lc1)
-;     l  (lb0,lb1)
+;     u  (lb0,lb1)
 ;
 
 ;; Define constants for hard registers.
@@ -1555,7 +1555,7 @@
 
 (define_insn "loop_end"
   [(set (pc)
-	(if_then_else (ne (match_operand:SI 0 "nonimmediate_operand" "+a*d,*b*h*f,m")
+	(if_then_else (ne (match_operand:SI 0 "nonimmediate_operand" "+a*d,*b*v*f,m")
 			  (const_int 1))
 		      (label_ref (match_operand 1 "" ""))
 		      (pc)))
@@ -1597,7 +1597,7 @@
 (define_insn "lsetup_with_autoinit"
   [(set (match_operand:SI 0 "lt_register_operand" "=t")
 	(label_ref (match_operand 1 "" "")))
-   (set (match_operand:SI 2 "lb_register_operand" "=l")
+   (set (match_operand:SI 2 "lb_register_operand" "=u")
 	(label_ref (match_operand 3 "" "")))
    (set (match_operand:SI 4 "lc_register_operand" "=k")
 	(match_operand:SI 5 "register_operand" "a"))]
@@ -1608,7 +1608,7 @@
 (define_insn "lsetup_without_autoinit"
   [(set (match_operand:SI 0 "lt_register_operand" "=t")
 	(label_ref (match_operand 1 "" "")))
-   (set (match_operand:SI 2 "lb_register_operand" "=l")
+   (set (match_operand:SI 2 "lb_register_operand" "=u")
 	(label_ref (match_operand 3 "" "")))
    (use (match_operand:SI 4 "lc_register_operand" "k"))]
   ""

gcc/doc/md.texi

@@ -2172,7 +2172,7 @@ Odd-numbered accumulator register.
 @item b
 I register
 
-@item B
+@item v
 B register
 
 @item f
@@ -2184,6 +2184,15 @@ Registers used for circular buffering, i.e. I, B, or L registers.
 @item C
 The CC register.
 
+@item t
+LT0 or LT1.
+
+@item k
+LC0 or LC1.
+
+@item u
+LB0 or LB1.
+
 @item x
 Any D, P, B, M, I or L register.