[PATCH] RISC-V: Remove trailing spaces on lines.

[Jin Ma <jinma@linux.alibaba.com>]

gcc/ChangeLog:

	* common/config/riscv/riscv-common.cc: Remove
	trailing spaces on lines.
	* config/riscv/riscv.cc (riscv_legitimize_move): Likewise.
	* config/riscv/riscv.h (enum reg_class): Likewise.
	* config/riscv/riscv.md: Likewise.
---
 gcc/common/config/riscv/riscv-common.cc | 2 +-
 gcc/config/riscv/riscv.cc               | 6 +++---
 gcc/config/riscv/riscv.h                | 2 +-
 gcc/config/riscv/riscv.md               | 4 ++--
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/gcc/common/config/riscv/riscv-common.cc b/gcc/common/config/riscv/riscv-common.cc
index 3a285dfbff0..e46ddf78132 100644
--- a/gcc/common/config/riscv/riscv-common.cc
+++ b/gcc/common/config/riscv/riscv-common.cc
@@ -104,7 +104,7 @@ static const riscv_implied_info_t riscv_implied_info[] =
 
   {"zfh", "zfhmin"},
   {"zfhmin", "f"},
-  
+
   {"zhinx", "zhinxmin"},
   {"zhinxmin", "zfinx"},
 
diff --git a/gcc/config/riscv/riscv.cc b/gcc/config/riscv/riscv.cc
index b52e613c629..1eb3e142905 100644
--- a/gcc/config/riscv/riscv.cc
+++ b/gcc/config/riscv/riscv.cc
@@ -2166,8 +2166,8 @@ riscv_legitimize_move (machine_mode mode, rtx dest, rtx src)
 	}
       return true;
     }
-  /* Expand 
-       (set (reg:QI target) (mem:QI (address))) 
+  /* Expand
+       (set (reg:QI target) (mem:QI (address)))
      to
        (set (reg:DI temp) (zero_extend:DI (mem:QI (address))))
        (set (reg:QI target) (subreg:QI (reg:DI temp) 0))
@@ -2182,7 +2182,7 @@ riscv_legitimize_move (machine_mode mode, rtx dest, rtx src)
 
       temp_reg = gen_reg_rtx (word_mode);
       zero_extend_p = (LOAD_EXTEND_OP (mode) == ZERO_EXTEND);
-      emit_insn (gen_extend_insn (temp_reg, src, word_mode, mode, 
+      emit_insn (gen_extend_insn (temp_reg, src, word_mode, mode,
 				  zero_extend_p));
       riscv_emit_move (dest, gen_lowpart (mode, temp_reg));
       return true;
diff --git a/gcc/config/riscv/riscv.h b/gcc/config/riscv/riscv.h
index f74b70de562..70087d011f4 100644
--- a/gcc/config/riscv/riscv.h
+++ b/gcc/config/riscv/riscv.h
@@ -575,7 +575,7 @@ enum reg_class
 #define POLY_SMALL_OPERAND_P(POLY_VALUE)		\
   (POLY_VALUE.is_constant () ?				\
      SMALL_OPERAND (POLY_VALUE.to_constant ()) : false)
-     
+
 /* True if VALUE can be loaded into a register using LUI.  */
 
 #define LUI_OPERAND(VALUE)						\
diff --git a/gcc/config/riscv/riscv.md b/gcc/config/riscv/riscv.md
index c5cf3af9868..f47ebb3a829 100644
--- a/gcc/config/riscv/riscv.md
+++ b/gcc/config/riscv/riscv.md
@@ -222,7 +222,7 @@ (define_attr "ext" "base,f,d,vector"
 (define_attr "ext_enabled" "no,yes"
   (cond [(eq_attr "ext" "base")
 	 (const_string "yes")
-	
+
 	 (and (eq_attr "ext" "f")
 	      (match_test "TARGET_HARD_FLOAT"))
 	 (const_string "yes")
@@ -258,7 +258,7 @@ (define_attr "enabled" "no,yes"
 ;; logical      integer logical instructions
 ;; shift	integer shift instructions
 ;; slt		set less than instructions
-;; imul		integer multiply 
+;; imul		integer multiply
 ;; idiv		integer divide
 ;; move		integer register move (addi rd, rs1, 0)
 ;; fmove	floating point register move
-- 
2.17.1