alpha.c (alpha_split_conditional_move): Use std::swap instead of manually swapping.

	* config/alpha/alpha.c (alpha_split_conditional_move):
	Use std::swap instead of manually swapping.
	(alpha_stdarg_optimize_hook): Ditto.
	(alpha_canonicalize_comparison): Ditto.

From-SVN: r253681

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 488a40db8a1827cb3010deb393de05f27446237a..ad116af74a5722baf09b153e548eff5920ec1f30 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2017-10-12  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/alpha/alpha.c (alpha_split_conditional_move):
+       Use std::swap instead of manually swapping.
+       (alpha_stdarg_optimize_hook): Ditto.
+       (alpha_canonicalize_comparison): Ditto.
+
 2017-10-12  Bin Cheng  <bin.cheng@arm.com>
 
        * tree-loop-distribution.c (struct builtin_info): New struct.

diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c
index 41f3e3a195780a70003cfb5de505a146ef039287..ece8879cb227e961cccbd27473bd6338ad21a056 100644 (file)
--- a/gcc/config/alpha/alpha.c
+++ b/gcc/config/alpha/alpha.c
@@ -2910,8 +2910,8 @@ alpha_split_conditional_move (enum rtx_code code, rtx dest, rtx cond,
       || (code == GE || code == GT))
     {
       code = reverse_condition (code);
-      diff = t, t = f, f = diff;
-      diff = t - f;
+      std::swap (t, f);
+      diff = -diff;
     }
 
   subtarget = target = dest;
@@ -6078,10 +6078,8 @@ alpha_stdarg_optimize_hook (struct stdarg_info *si, const gimple *stmt)
          else if (code2 == COMPONENT_REF
                   && (code1 == MINUS_EXPR || code1 == PLUS_EXPR))
            {
-             gimple *tem = arg1_stmt;
+             std::swap (arg1_stmt, arg2_stmt);
              code2 = code1;
-             arg1_stmt = arg2_stmt;
-             arg2_stmt = tem;
            }
          else
            goto escapes;
@@ -9831,9 +9829,7 @@ alpha_canonicalize_comparison (int *code, rtx *op0, rtx *op1,
       && (*code == GE || *code == GT || *code == GEU || *code == GTU)
       && (REG_P (*op1) || *op1 == const0_rtx))
     {
-      rtx tem = *op0;
-      *op0 = *op1;
-      *op1 = tem;
+      std::swap (*op0, *op1);
       *code = (int)swap_condition ((enum rtx_code)*code);
     }