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compilation fix

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1206 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-01-09 00:03:14 +00:00
parent 664e0f195a
commit 8636b5d873
1 changed files with 24 additions and 18 deletions
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16
vl.c
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@ -2113,20 +2113,22 @@ void cpu_save(QEMUFile *f, void *opaque)
qemu_put_be16s(f, &fpregs_format);
for(i = 0; i < 8; i++) {
#ifdef USE_X86LDOUBLE
{
uint64_t mant;
uint16_t exp;
#ifdef USE_X86LDOUBLE
/* we save the real CPU data (in case of MMX usage only 'mant'
contains the MMX register */
cpu_get_fp80(&mant, &exp, env->fpregs[i].d);
qemu_put_be64(f, mant);
qemu_put_be16(f, exp);
}
#else
/* if we use doubles for float emulation, we save the doubles to
avoid losing information in case of MMX usage. It can give
problems if the image is restored on a CPU where long
doubles are used instead. */
qemu_put_be64(f, env->fpregs[i].xmm.MMX_Q(0));
qemu_put_be64(f, env->fpregs[i].mmx.MMX_Q(0));
#endif
}
@ -2169,6 +2171,7 @@ void cpu_save(QEMUFile *f, void *opaque)
#endif
}
#ifdef USE_X86LDOUBLE
/* XXX: add that in a FPU generic layer */
union x86_longdouble {
uint64_t mant;
@ -2190,6 +2193,7 @@ static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp)
e |= SIGND1(temp) >> 16;
p->exp = e;
}
#endif
int cpu_load(QEMUFile *f, void *opaque, int version_id)
{
@ -2218,7 +2222,6 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id)
for(i = 0; i < 8; i++) {
uint64_t mant;
uint16_t exp;
union x86_longdouble *p;
switch(fpregs_format) {
case 0:
@ -2229,7 +2232,7 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id)
#else
/* difficult case */
if (guess_mmx)
env->fpregs[i].xmm.MMX_Q(0) = mant;
env->fpregs[i].mmx.MMX_Q(0) = mant;
else
env->fpregs[i].d = cpu_set_fp80(mant, exp);
#endif
@ -2237,6 +2240,8 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id)
case 1:
mant = qemu_get_be64(f);
#ifdef USE_X86LDOUBLE
{
union x86_longdouble *p;
/* difficult case */
p = (void *)&env->fpregs[i];
if (guess_mmx) {
@ -2245,8 +2250,9 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id)
} else {
fp64_to_fp80(p, mant);
}
}
#else
env->fpregs[i].xmm.MMX_Q(0) = mant;
env->fpregs[i].mmx.MMX_Q(0) = mant;
#endif
break;
default: