From b8ac3f201ddfd20c820ae46f7a96a1b1812b02a4 Mon Sep 17 00:00:00 2001
From: "Andrey A. Chernov" <ache@FreeBSD.org>
Date: Sun, 29 May 2016 16:39:28 +0000
Subject: [PATCH] Micro optimize: C standard guarantees that right shift for
 unsigned value fills left bits with zero, and we have exact 32bit unsigned
 value (uint32_t), so there is no reason to add "& 0x7fffffff" here.

MFC after:      1 week
---
 lib/libc/stdlib/random.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/libc/stdlib/random.c b/lib/libc/stdlib/random.c
index 5b8b5cf9fcf4..fe8fc86696fb 100644
--- a/lib/libc/stdlib/random.c
+++ b/lib/libc/stdlib/random.c
@@ -430,7 +430,7 @@ random(void)
 		 */
 		f = fptr; r = rptr;
 		*f += *r;
-		i = (*f >> 1) & 0x7fffffff;	/* chucking least random bit */
+		i = *f >> 1;	/* chucking least random bit */
 		if (++f >= end_ptr) {
 			f = state;
 			++r;