target/arm/vfp_helper: Restrict the SoftFloat use to TCG

This code is specific to the SoftFloat floating-point
implementation, which is only used by TCG.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190701132516.26392-18-philmd@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 23 insertions, 3 deletions

diff --git a/target/arm/vfp_helper.c b/target/arm/vfp_helper.c
index 838f7d25fd..46041e3294 100644
--- a/target/arm/vfp_helper.c
+++ b/target/arm/vfp_helper.c
@@ -18,17 +18,20 @@
  */
 
 #include "qemu/osdep.h"
-#include "qemu/log.h"
 #include "cpu.h"
 #include "exec/helper-proto.h"
-#include "fpu/softfloat.h"
 #include "internals.h"
-
+#ifdef CONFIG_TCG
+#include "qemu/log.h"
+#include "fpu/softfloat.h"
+#endif
 
 /* VFP support.  We follow the convention used for VFP instructions:
    Single precision routines have a "s" suffix, double precision a
    "d" suffix.  */
 
+#ifdef CONFIG_TCG
+
 /* Convert host exception flags to vfp form.  */
 static inline int vfp_exceptbits_from_host(int host_bits)
 {
@@ -145,6 +148,19 @@ static void vfp_set_fpscr_to_host(CPUARMState *env, uint32_t val)
     set_float_exception_flags(0, &env->vfp.standard_fp_status);
 }
 
+#else
+
+static uint32_t vfp_get_fpscr_from_host(CPUARMState *env)
+{
+    return 0;
+}
+
+static void vfp_set_fpscr_to_host(CPUARMState *env, uint32_t val)
+{
+}
+
+#endif
+
 uint32_t HELPER(vfp_get_fpscr)(CPUARMState *env)
 {
     uint32_t i, fpscr;
@@ -210,6 +226,8 @@ void vfp_set_fpscr(CPUARMState *env, uint32_t val)
     HELPER(vfp_set_fpscr)(env, val);
 }
 
+#ifdef CONFIG_TCG
+
 #define VFP_HELPER(name, p) HELPER(glue(glue(vfp_,name),p))
 
 #define VFP_BINOP(name) \
@@ -1303,3 +1321,5 @@ float64 HELPER(frint64_d)(float64 f, void *fpst)
 {
     return frint_d(f, fpst, 64);
 }
+
+#endif