yuzu/unicorn
1
0
Fork 0
mirror of https://github.com/yuzu-emu/unicorn.git synced 2024-12-23 14:45:48 +00:00
Code Issues Packages Projects Releases Wiki Activity

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

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

Backports commit 4a15527c9feecfd2fa2807d5e698abbc19feb35f from qemu
This commit is contained in:
Philippe Mathieu-Daudé 2019-08-08 15:30:44 -04:00 committed by Lioncash
parent 4e214e5d64
commit 5aaf004bb2
No known key found for this signature in database
GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 23 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
qemu/target/arm/vfp_helper.c
View file

@ -21,9 +21,11 @@
#include "qemu/log.h"
#include "cpu.h"
#include "exec/helper-proto.h"
#include "fpu/softfloat.h"
#include "internals.h"
#ifdef CONFIG_TCG
#include "fpu/softfloat.h"
#endif
/*
* VFP support. We follow the convention used for VFP instructions:
@ -31,6 +33,8 @@
* "d" suffix.
*/
#ifdef CONFIG_TCG
/* Convert host exception flags to vfp form. */
static inline int vfp_exceptbits_from_host(int host_bits)
{
@ -147,6 +151,19 @@ 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;
@ -212,6 +229,8 @@ 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) \
@ -1323,3 +1342,6 @@ float64 HELPER(frint64_d)(float64 f, void *fpst)
{
return frint_d(f, fpst, 64);
}
#endif