From: Steinar H. Gunderson <sgunderson@bigfoot.com>
Date: Tue, 17 Oct 2017 20:36:42 +0000 (+0200)
Subject: Tiny optimization.
X-Git-Url: https://git.sesse.net/?p=narabu;a=commitdiff_plain;h=1982179eccafd16269939ae5a5d4a467f68b26fd

Tiny optimization.
---

diff --git a/rans.shader b/rans.shader
index c027231..965c674 100644
--- a/rans.shader
+++ b/rans.shader
@@ -87,11 +87,9 @@ void RansEncPutSymbol(inout uint rans, inout uint rans_offset, uvec4 sym)
 	uint cmpl_freq = (sym.w >> 16);
 
 	// renormalize
-	if (rans >= x_max) {
-		do {
-			rans_output[--rans_offset] = uint8_t(rans & 0xffu);
-			rans >>= 8;
-		} while (rans >= x_max);
+	while (rans >= x_max) {
+		rans_output[--rans_offset] = uint8_t(rans & 0xffu);
+		rans >>= 8;
 	}
 
 	uint q, unused;