rl78-expand.md: New define_expand "bswaphi2"

2018-01-22  Sebastian Perta  <sebastian.perta@renesas.com>

	* config/rl78/rl78-expand.md: New define_expand "bswaphi2"
	* config/rl78/rl78-virt.md: New define_insn "*bswaphi2_virt"
	* config/rl78/rl78-real.md: New define_insn "*bswaphi2_real"

From-SVN: r256961

gcc/ChangeLog

 2018-01-22  Sebastian Perta  <sebastian.perta@renesas.com>
 
+	* config/rl78/rl78-expand.md: New define_expand "bswaphi2"
+	* config/rl78/rl78-virt.md: New define_insn "*bswaphi2_virt"
+	* config/rl78/rl78-real.md: New define_insn "*bswaphi2_real"
+
+2018-01-22  Sebastian Perta  <sebastian.perta@renesas.com>
+
 	* config/rl78/rl78-protos.h: New function declaration rl78_split_movdi
 	* config/rl78/rl78.md: New define_expand "movdi"
 	* config/rl78/rl78.c: New function definition rl78_split_movdi

gcc/config/rl78/rl78-expand.md

@@ -105,6 +105,14 @@
   [(set_attr "valloc" "op1")]
 )
 
+(define_expand "bswaphi2"
+  [(set (match_operand:HI           0 "nonimmediate_operand")
+        (bswap:HI (match_operand:HI 1 "general_operand")))]
+  ""
+  "if (rl78_force_nonfar_2 (operands, gen_bswaphi2))
+     DONE;"
+)
+
 ;;---------- Conversions ------------------------
 
 (define_expand "zero_extendqihi2"

gcc/config/rl78/rl78-real.md

@@ -90,6 +90,15 @@
    movw\t%0, %1"
 )
 
+(define_insn "*bswaphi2_real"
+  [(set (match_operand:HI           0 "rl78_nonfar_nonimm_operand" "=A,A")
+        (bswap:HI (match_operand:HI 1 "general_operand"  "0,viU")))]
+  "rl78_real_insns_ok ()"
+  "@
+   xch\ta, x
+   movw\tax, %1\n\txch\ta, x"
+)
+
 ;;---------- Conversions ------------------------
 
 (define_insn "*zero_extendqihi2_real"

gcc/config/rl78/rl78-virt.md

@@ -65,6 +65,14 @@
   [(set_attr "valloc" "op1")]
 )
 
+(define_insn "*bswaphi2_virt"
+  [(set (match_operand:HI           0 "rl78_nonfar_nonimm_operand" "=vm")
+        (bswap:HI (match_operand:HI 1 "general_operand"  "vim")))]
+  "rl78_virt_insns_ok ()"
+  "v.bswaphi\t%0, %1"
+  [(set_attr "valloc" "op1")]
+)
+
 ;;---------- Conversions ------------------------
 
 (define_insn "*zero_extendqihi2_virt"