Commit 4a15527c authored by Philippe Mathieu-Daudé's avatar Philippe Mathieu-Daudé Committed by Peter Maydell
Browse files

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: default avatarPhilippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190701132516.26392-18-philmd@redhat.com
Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent 0c6ad948

target/arm/vfp_helper.c

+23 −3
Original line number Diff line number Diff line
@@ -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