From e615fa2637882d184a115a529d18e18f0b6bcabd Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 15 Feb 2016 05:15:33 +0000
Subject: bignum.c: micro optimization

* bignum.c (rb_big_uminus, bigsub_int): use BIGNUM_NEGATE.

* internal.h (BIGNUM_NEGATE): simplify negation.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53832 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 bignum.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'bignum.c')

diff --git a/bignum.c b/bignum.c
index 8f79713682..1f9dfb56aa 100644
--- a/bignum.c
+++ b/bignum.c
@@ -5526,7 +5526,7 @@ rb_big_uminus(VALUE x)
 {
     VALUE z = rb_big_clone(x);
 
-    BIGNUM_SET_SIGN(z, !BIGNUM_SIGN(x));
+    BIGNUM_NEGATE(z);
 
     return bignorm(z);
 }
@@ -5624,7 +5624,7 @@ bigsub_int(VALUE x, long y0)
     assert(xn == zn);
     num = (BDIGIT_DBL_SIGNED)xds[0] - y;
     if (xn == 1 && num < 0) {
-	BIGNUM_SET_SIGN(z, !BIGNUM_SIGN(x));
+	BIGNUM_NEGATE(z);
 	zds[0] = (BDIGIT)-num;
 	RB_GC_GUARD(x);
 	return bignorm(z);
@@ -5687,7 +5687,7 @@ bigsub_int(VALUE x, long y0)
     assert(num == 0 || num == -1);
     if (num < 0) {
         get2comp(z);
-	BIGNUM_SET_SIGN(z, !BIGNUM_SIGN(x));
+	BIGNUM_NEGATE(z);
     }
     RB_GC_GUARD(x);
     return bignorm(z);
-- 
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