+2007-02-18 David Edelsohn <edelsohn@gnu.org>
+ Roger Sayle <roger@eyesopen.com>
+
+ * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
+
2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
* calls.c (initialize_argument_information): Pass original EXP
DONE;
})
+(define_insn "bswapsi2"
+ [(set (match_operand:SI 0 "reg_or_mem_operand" "=r,Z,&r")
+ (bswap:SI (match_operand:SI 1 "reg_or_mem_operand" "Z,r,r")))]
+ ""
+ "@
+ {lbrx|lwbrx} %0,%y1
+ {stbrx|stwbrx} %1,%y0
+ #"
+ [(set_attr "length" "4,4,12")])
+
+(define_split
+ [(set (match_operand:SI 0 "gpc_reg_operand" "")
+ (bswap:SI (match_operand:SI 1 "gpc_reg_operand" "")))]
+ "reload_completed"
+ [(set (match_dup 0)
+ (rotate:SI (match_dup 1) (const_int 8)))
+ (set (zero_extract:SI (match_dup 0)
+ (const_int 8)
+ (const_int 0))
+ (match_dup 1))
+ (set (zero_extract:SI (match_dup 0)
+ (const_int 8)
+ (const_int 16))
+ (rotate:SI (match_dup 1)
+ (const_int 16)))]
+ "")
+
(define_expand "mulsi3"
[(use (match_operand:SI 0 "gpc_reg_operand" ""))
(use (match_operand:SI 1 "gpc_reg_operand" ""))