Module Name: src
Committed By: mrg
Date: Thu Feb 7 04:33:24 UTC 2019
Modified Files:
src/sys/lib/libkern: Makefile.compiler-rt
Log Message:
for sh3 and GCC 7 pass -fnon-call-exceptions for udivmoddi4.c.
avoids it emitting a call to abort() for an explicit divide by zero.
To generate a diff of this commit:
cvs rdiff -u -r1.5 -r1.6 src/sys/lib/libkern/Makefile.compiler-rt
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/lib/libkern/Makefile.compiler-rt
diff -u src/sys/lib/libkern/Makefile.compiler-rt:1.5 src/sys/lib/libkern/Makefile.compiler-rt:1.6
--- src/sys/lib/libkern/Makefile.compiler-rt:1.5 Sun Aug 10 05:57:31 2014
+++ src/sys/lib/libkern/Makefile.compiler-rt Thu Feb 7 04:33:24 2019
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile.compiler-rt,v 1.5 2014/08/10 05:57:31 matt Exp $
+# $NetBSD: Makefile.compiler-rt,v 1.6 2019/02/07 04:33:24 mrg Exp $
COMPILER_RT_SRCDIR= ${NETBSDSRCDIR}/sys/external/bsd/compiler_rt/dist
@@ -126,3 +126,10 @@ COPTS.${src}+= -Wno-missing-prototypes \
.endfor
CPPFLAGS.int_util.c+= -DKERNEL_USE
+
+# XXX Explicit divide by zero in udivmoddi4.c -> abort().
+.if defined(HAVE_GCC) && ${HAVE_GCC} == 7 && ${ACTIVE_CC} == "gcc"
+. if ${MACHINE_CPU} == "sh3"
+COPTS.udivmoddi4.c+= -fnon-call-exceptions
+. endif
+.endif
