--- Makefile.orig	2017-11-03 18:27:27 UTC
+++ Makefile
@@ -57,8 +57,8 @@ endif
 PKG_CONFIG ?= pkg-config
 #CFLAGS    = -O0 -g -Wall
 CFLAGS    = -O2 -Wall \
-	    -fcaller-saves -ffast-math -fno-strength-reduce \
-	    -fthread-jumps #-march=pentium #-DSTAT_MACROS_BROKEN
+	    -ffast-math -fno-strength-reduce \
+	    #-march=pentium #-DSTAT_MACROS_BROKEN
 #CFLAGS    = -O2 -Wall -fomit-frame-pointer -finline-functions \
 #	    -fcaller-saves -ffast-math -fno-strength-reduce \
 #	    -fthread-jumps #-march=pentium #-DSTAT_MACROS_BROKEN