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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>
This commit is contained in:
Philippe Mathieu-Daudé 2019-07-01 17:26:21 +01:00 committed by Peter Maydell
parent 0c6ad94809
commit 4a15527c9f
1 changed files with 23 additions and 3 deletions
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26
target/arm/vfp_helper.c
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@ -18,17 +18,20 @@
*/ */
#include "qemu/osdep.h" #include "qemu/osdep.h"
#include "qemu/log.h"
#include "cpu.h" #include "cpu.h"
#include "exec/helper-proto.h" #include "exec/helper-proto.h"
#include "fpu/softfloat.h"
#include "internals.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: /* VFP support. We follow the convention used for VFP instructions:
Single precision routines have a "s" suffix, double precision a Single precision routines have a "s" suffix, double precision a
"d" suffix. */ "d" suffix. */
#ifdef CONFIG_TCG
/* Convert host exception flags to vfp form. */ /* Convert host exception flags to vfp form. */
static inline int vfp_exceptbits_from_host(int host_bits) 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); 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 HELPER(vfp_get_fpscr)(CPUARMState *env)
{ {
uint32_t i, fpscr; uint32_t i, fpscr;
@ -210,6 +226,8 @@ void vfp_set_fpscr(CPUARMState *env, uint32_t val)
HELPER(vfp_set_fpscr)(env, val); HELPER(vfp_set_fpscr)(env, val);
} }
#ifdef CONFIG_TCG
#define VFP_HELPER(name, p) HELPER(glue(glue(vfp_,name),p)) #define VFP_HELPER(name, p) HELPER(glue(glue(vfp_,name),p))
#define VFP_BINOP(name) \ #define VFP_BINOP(name) \
@ -1303,3 +1321,5 @@ float64 HELPER(frint64_d)(float64 f, void *fpst)
{ {
return frint_d(f, fpst, 64); return frint_d(f, fpst, 64);
} }
#endif