[src/trunk]: src/sys/arch/arm/vfp Add more vfp directives for gcc-6

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

details:   https://anonhg.NetBSD.org/src/rev/5a4def1eeb3d
branches:  trunk
changeset: 830252:5a4def1eeb3d
user:      christos <christos%NetBSD.org@localhost>
date:      Fri Mar 02 23:07:55 2018 +0000

description:
Add more vfp directives for gcc-6

diffstat:

 sys/arch/arm/vfp/vfp_init.c |  15 ++++++++++-----
 1 files changed, 10 insertions(+), 5 deletions(-)

diffs (56 lines):

diff -r 961ca4ca1076 -r 5a4def1eeb3d sys/arch/arm/vfp/vfp_init.c
--- a/sys/arch/arm/vfp/vfp_init.c       Fri Mar 02 22:23:17 2018 +0000
+++ b/sys/arch/arm/vfp/vfp_init.c       Fri Mar 02 23:07:55 2018 +0000
@@ -1,4 +1,4 @@
-/*      $NetBSD: vfp_init.c,v 1.55 2017/10/16 15:13:00 bouyer Exp $ */
+/*      $NetBSD: vfp_init.c,v 1.56 2018/03/02 23:07:55 christos Exp $ */
 
 /*
  * Copyright (c) 2008 ARM Ltd
@@ -47,23 +47,26 @@
 #ifdef FPU_VFP
 
 #ifdef CPU_CORTEX
-__asm(".fpu\tvfpv4");
+#define SETFPU __asm(".fpu\tvfpv4")
 #else
-__asm(".fpu\tvfp");
+#define SETFPU __asm(".fpu\tvfp")
 #endif
+SETFPU;
 
 /* FLDMD <X>, {d0-d15} */
 static inline void
 load_vfpregs_lo(const uint64_t *p)
 {
-       __asm __volatile("vldmia %0, {d0-d15}" :: "r" (p) : "memory");
+       SETFPU;
+       __asm __volatile("vldmia\t%0, {d0-d15}" :: "r" (p) : "memory");
 }
 
 /* FSTMD <X>, {d0-d15} */
 static inline void
 save_vfpregs_lo(uint64_t *p)
 {
-       __asm __volatile("vstmia %0, {d0-d15}" :: "r" (p) : "memory");
+       SETFPU;
+       __asm __volatile("vstmia\t%0, {d0-d15}" :: "r" (p) : "memory");
 }
 
 #ifdef CPU_CORTEX
@@ -71,6 +74,7 @@
 static inline void
 load_vfpregs_hi(const uint64_t *p)
 {
+       SETFPU;
        __asm __volatile("vldmia\t%0, {d16-d31}" :: "r" (&p[16]) : "memory");
 }
 
@@ -78,6 +82,7 @@
 static inline void
 save_vfpregs_hi(uint64_t *p)
 {
+       SETFPU;
        __asm __volatile("vstmia\t%0, {d16-d31}" :: "r" (&p[16]) : "memory");
 }
 #endif