[src/trunk]: src/lib/libc/arch/aarch64/softfloat Summary: Align softfloat flo...

[tih <tih%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4d843f0e331b
branches:  trunk
changeset: 995097:4d843f0e331b
user:      tih <tih%NetBSD.org@localhost>
date:      Thu Dec 06 19:17:13 2018 +0000

description:
Summary: Align softfloat float128 with libgcc.

While libgcc adapts its float128 data structure to the endianness of
the architecture, the softfloat code in libc didn't.  With both of
them handling the same values, softfloat must follow the toolchain.

OK: riastradh

diffstat:

 lib/libc/arch/aarch64/softfloat/softfloat.h |  7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diffs (29 lines):

diff -r 6d479d4f6185 -r 4d843f0e331b lib/libc/arch/aarch64/softfloat/softfloat.h
--- a/lib/libc/arch/aarch64/softfloat/softfloat.h       Thu Dec 06 19:15:35 2018 +0000
+++ b/lib/libc/arch/aarch64/softfloat/softfloat.h       Thu Dec 06 19:17:13 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: softfloat.h,v 1.1 2014/08/10 05:47:37 matt Exp $ */
+/* $NetBSD: softfloat.h,v 1.2 2018/12/06 19:17:13 tih Exp $ */
 
 /* This is a derivative work. */
 
@@ -46,6 +46,7 @@
 
 #include "softfloat-qp.h"
 
+#include <sys/endian.h>
 #include <machine/ieeefp.h>
 
 /*
@@ -63,7 +64,11 @@
 #endif
 #ifdef FLOAT128
 typedef struct {
+#if _BYTE_ORDER == _BIG_ENDIAN
     unsigned long long high, low;
+#else
+    unsigned long long low, high;
+#endif
 } float128;
 #endif