NEWS: Update.

588f1860 · Christoph Mallon · 80d8bf09 · 588f1860
Commit 588f1860 authored Apr 25, 2016 by Christoph Mallon
--- a/NEWS.md
+++ b/NEWS.md
@@ -19,6 +19,7 @@ libFirm 1.22.1 (2016-01-07)
 * Add peephole optimization 'lea c(, %i, 2), %d' -> 'lea c(%i, %i), %d' (ia32)
 * Add peephole optimization 'lea (%b), %d' -> 'mov %b, %d' (ia32)
 * Add peephole optimization 'testl $0x0000XX00, %eRx' -> 'testb $0xXX, %Rh' (ia32)
+* Generate slightly better code to load the floating-point constants `-0.0` and `-1.0` (ia32)
 * Bugfixes

 libFirm 1.22.0 (2015-12-31)