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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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42
vl.c
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@ -2113,20 +2113,22 @@ void cpu_save(QEMUFile *f, void *opaque)
qemu_put_be16s(f, &fpregs_format); qemu_put_be16s(f, &fpregs_format);
for(i = 0; i < 8; i++) { for(i = 0; i < 8; i++) {
uint64_t mant;
uint16_t exp;
#ifdef USE_X86LDOUBLE #ifdef USE_X86LDOUBLE
/* we save the real CPU data (in case of MMX usage only 'mant' {
contains the MMX register */ uint64_t mant;
cpu_get_fp80(&mant, &exp, env->fpregs[i].d); uint16_t exp;
qemu_put_be64(f, mant); /* we save the real CPU data (in case of MMX usage only 'mant'
qemu_put_be16(f, exp); contains the MMX register */
cpu_get_fp80(&mant, &exp, env->fpregs[i].d);
qemu_put_be64(f, mant);
qemu_put_be16(f, exp);
}
#else #else
/* if we use doubles for float emulation, we save the doubles to /* if we use doubles for float emulation, we save the doubles to
avoid losing information in case of MMX usage. It can give avoid losing information in case of MMX usage. It can give
problems if the image is restored on a CPU where long problems if the image is restored on a CPU where long
doubles are used instead. */ 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 #endif
} }
@ -2169,6 +2171,7 @@ void cpu_save(QEMUFile *f, void *opaque)
#endif #endif
} }
#ifdef USE_X86LDOUBLE
/* XXX: add that in a FPU generic layer */ /* XXX: add that in a FPU generic layer */
union x86_longdouble { union x86_longdouble {
uint64_t mant; uint64_t mant;
@ -2190,6 +2193,7 @@ static void fp64_to_fp80(union x86_longdouble *p, uint64_t temp)
e |= SIGND1(temp) >> 16; e |= SIGND1(temp) >> 16;
p->exp = e; p->exp = e;
} }
#endif
int cpu_load(QEMUFile *f, void *opaque, int version_id) 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++) { for(i = 0; i < 8; i++) {
uint64_t mant; uint64_t mant;
uint16_t exp; uint16_t exp;
union x86_longdouble *p;
switch(fpregs_format) { switch(fpregs_format) {
case 0: case 0:
@ -2229,7 +2232,7 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id)
#else #else
/* difficult case */ /* difficult case */
if (guess_mmx) if (guess_mmx)
env->fpregs[i].xmm.MMX_Q(0) = mant; env->fpregs[i].mmx.MMX_Q(0) = mant;
else else
env->fpregs[i].d = cpu_set_fp80(mant, exp); env->fpregs[i].d = cpu_set_fp80(mant, exp);
#endif #endif
@ -2237,16 +2240,19 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id)
case 1: case 1:
mant = qemu_get_be64(f); mant = qemu_get_be64(f);
#ifdef USE_X86LDOUBLE #ifdef USE_X86LDOUBLE
/* difficult case */ {
p = (void *)&env->fpregs[i]; union x86_longdouble *p;
if (guess_mmx) { /* difficult case */
p->mant = mant; p = (void *)&env->fpregs[i];
p->exp = 0xffff; if (guess_mmx) {
} else { p->mant = mant;
fp64_to_fp80(p, mant); p->exp = 0xffff;
} else {
fp64_to_fp80(p, mant);
}
} }
#else #else
env->fpregs[i].xmm.MMX_Q(0) = mant; env->fpregs[i].mmx.MMX_Q(0) = mant;
#endif #endif
break; break;
default: default: