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vfp_helper: Normalize tabs to spaces

pull/15/merge
Lioncash 11 years ago
parent
4154560bd5
commit
d832c48864
1 changed files with 170 additions and 172 deletions
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  1. 342
      src/core/arm/skyeye_common/vfp/vfp_helper.h

342
src/core/arm/skyeye_common/vfp/vfp_helper.h
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@ -104,125 +104,125 @@
static inline u32 vfp_shiftright32jamming(u32 val, unsigned int shift)
{
if (shift) {
if (shift < 32)
val = val >> shift | ((val << (32 - shift)) != 0);
else
val = val != 0;
}
return val;
if (shift) {
if (shift < 32)
val = val >> shift | ((val << (32 - shift)) != 0);
else
val = val != 0;
}
return val;
}
static inline u64 vfp_shiftright64jamming(u64 val, unsigned int shift)
{
if (shift) {
if (shift < 64)
val = val >> shift | ((val << (64 - shift)) != 0);
else
val = val != 0;
}
return val;
if (shift) {
if (shift < 64)
val = val >> shift | ((val << (64 - shift)) != 0);
else
val = val != 0;
}
return val;
}
static inline u32 vfp_hi64to32jamming(u64 val)
{
u32 v;
u32 highval = val >> 32;
u32 lowval = val & 0xffffffff;
u32 v;
u32 highval = val >> 32;
u32 lowval = val & 0xffffffff;
if (lowval >= 1)
v = highval | 1;
else
v = highval;
if (lowval >= 1)
v = highval | 1;
else
v = highval;
return v;
return v;
}
static inline void add128(u64 *resh, u64 *resl, u64 nh, u64 nl, u64 mh, u64 ml)
static inline void add128(u64* resh, u64* resl, u64 nh, u64 nl, u64 mh, u64 ml)
{
*resl = nl + ml;
*resh = nh + mh;
if (*resl < nl)
*resh += 1;
*resl = nl + ml;
*resh = nh + mh;
if (*resl < nl)
*resh += 1;
}
static inline void sub128(u64 *resh, u64 *resl, u64 nh, u64 nl, u64 mh, u64 ml)
static inline void sub128(u64* resh, u64* resl, u64 nh, u64 nl, u64 mh, u64 ml)
{
*resl = nl - ml;
*resh = nh - mh;
if (*resl > nl)
*resh -= 1;
*resl = nl - ml;
*resh = nh - mh;
if (*resl > nl)
*resh -= 1;
}
static inline void mul64to128(u64 *resh, u64 *resl, u64 n, u64 m)
static inline void mul64to128(u64* resh, u64* resl, u64 n, u64 m)
{
u32 nh, nl, mh, ml;
u64 rh, rma, rmb, rl;
u32 nh, nl, mh, ml;
u64 rh, rma, rmb, rl;
nl = n;
ml = m;
rl = (u64)nl * ml;
nl = n;
ml = m;
rl = (u64)nl * ml;
nh = n >> 32;
rma = (u64)nh * ml;
nh = n >> 32;
rma = (u64)nh * ml;
mh = m >> 32;
rmb = (u64)nl * mh;
rma += rmb;
mh = m >> 32;
rmb = (u64)nl * mh;
rma += rmb;
rh = (u64)nh * mh;
rh += ((u64)(rma < rmb) << 32) + (rma >> 32);
rh = (u64)nh * mh;
rh += ((u64)(rma < rmb) << 32) + (rma >> 32);
rma <<= 32;
rl += rma;
rh += (rl < rma);
rma <<= 32;
rl += rma;
rh += (rl < rma);
*resl = rl;
*resh = rh;
*resl = rl;
*resh = rh;
}
static inline void shift64left(u64 *resh, u64 *resl, u64 n)
static inline void shift64left(u64* resh, u64* resl, u64 n)
{
*resh = n >> 63;
*resl = n << 1;
*resh = n >> 63;
*resl = n << 1;
}
static inline u64 vfp_hi64multiply64(u64 n, u64 m)
{
u64 rh, rl;
mul64to128(&rh, &rl, n, m);
return rh | (rl != 0);
u64 rh, rl;
mul64to128(&rh, &rl, n, m);
return rh | (rl != 0);
}
static inline u64 vfp_estimate_div128to64(u64 nh, u64 nl, u64 m)
{
u64 mh, ml, remh, reml, termh, terml, z;
if (nh >= m)
return ~0ULL;
mh = m >> 32;
if (mh << 32 <= nh) {
z = 0xffffffff00000000ULL;
} else {
z = nh;
do_div(z, mh);
z <<= 32;
}
mul64to128(&termh, &terml, m, z);
sub128(&remh, &reml, nh, nl, termh, terml);
ml = m << 32;
while ((s64)remh < 0) {
z -= 0x100000000ULL;
add128(&remh, &reml, remh, reml, mh, ml);
}
remh = (remh << 32) | (reml >> 32);
if (mh << 32 <= remh) {
z |= 0xffffffff;
} else {
do_div(remh, mh);
z |= remh;
}
return z;
u64 mh, ml, remh, reml, termh, terml, z;
if (nh >= m)
return ~0ULL;
mh = m >> 32;
if (mh << 32 <= nh) {
z = 0xffffffff00000000ULL;
} else {
z = nh;
do_div(z, mh);
z <<= 32;
}
mul64to128(&termh, &terml, m, z);
sub128(&remh, &reml, nh, nl, termh, terml);
ml = m << 32;
while ((s64)remh < 0) {
z -= 0x100000000ULL;
add128(&remh, &reml, remh, reml, mh, ml);
}
remh = (remh << 32) | (reml >> 32);
if (mh << 32 <= remh) {
z |= 0xffffffff;
} else {
do_div(remh, mh);
z |= remh;
}
return z;
}
/*
@ -234,9 +234,9 @@ static inline u64 vfp_estimate_div128to64(u64 nh, u64 nl, u64 m)
* Single-precision
*/
struct vfp_single {
s16 exponent;
u16 sign;
u32 significand;
s16 exponent;
u16 sign;
u32 significand;
};
/*
@ -271,16 +271,16 @@ struct vfp_single {
*/
static inline void vfp_single_unpack(struct vfp_single *s, s32 val)
{
u32 significand;
u32 significand;
s->sign = vfp_single_packed_sign(val) >> 16,
s->exponent = vfp_single_packed_exponent(val);
s->sign = vfp_single_packed_sign(val) >> 16,
s->exponent = vfp_single_packed_exponent(val);
significand = (u32) val;
significand = (significand << (32 - VFP_SINGLE_MANTISSA_BITS)) >> 2;
if (s->exponent && s->exponent != 255)
significand |= 0x40000000;
s->significand = significand;
significand = (u32) val;
significand = (significand << (32 - VFP_SINGLE_MANTISSA_BITS)) >> 2;
if (s->exponent && s->exponent != 255)
significand |= 0x40000000;
s->significand = significand;
}
/*
@ -289,11 +289,10 @@ static inline void vfp_single_unpack(struct vfp_single *s, s32 val)
*/
static inline s32 vfp_single_pack(struct vfp_single *s)
{
u32 val;
val = (s->sign << 16) +
(s->exponent << VFP_SINGLE_MANTISSA_BITS) +
(s->significand >> VFP_SINGLE_LOW_BITS);
return (s32)val;
u32 val = (s->sign << 16) +
(s->exponent << VFP_SINGLE_MANTISSA_BITS) +
(s->significand >> VFP_SINGLE_LOW_BITS);
return (s32)val;
}
#define VFP_NUMBER (1<<0)
@ -308,21 +307,21 @@ static inline s32 vfp_single_pack(struct vfp_single *s)
static inline int vfp_single_type(struct vfp_single *s)
{
int type = VFP_NUMBER;
if (s->exponent == 255) {
if (s->significand == 0)
type = VFP_INFINITY;
else if (s->significand & VFP_SINGLE_SIGNIFICAND_QNAN)
type = VFP_QNAN;
else
type = VFP_SNAN;
} else if (s->exponent == 0) {
if (s->significand == 0)
type |= VFP_ZERO;
else
type |= VFP_DENORMAL;
}
return type;
int type = VFP_NUMBER;
if (s->exponent == 255) {
if (s->significand == 0)
type = VFP_INFINITY;
else if (s->significand & VFP_SINGLE_SIGNIFICAND_QNAN)
type = VFP_QNAN;
else
type = VFP_SNAN;
} else if (s->exponent == 0) {
if (s->significand == 0)
type |= VFP_ZERO;
else
type |= VFP_DENORMAL;
}
return type;
}
@ -332,9 +331,9 @@ u32 vfp_single_normaliseround(ARMul_State* state, int sd, struct vfp_single *vs,
* Double-precision
*/
struct vfp_double {
s16 exponent;
u16 sign;
u64 significand;
s16 exponent;
u16 sign;
u64 significand;
};
/*
@ -374,16 +373,16 @@ struct vfp_double {
*/
static inline void vfp_double_unpack(struct vfp_double *s, s64 val)
{
u64 significand;
u64 significand;
s->sign = vfp_double_packed_sign(val) >> 48;
s->exponent = vfp_double_packed_exponent(val);
s->sign = vfp_double_packed_sign(val) >> 48;
s->exponent = vfp_double_packed_exponent(val);
significand = (u64) val;
significand = (significand << (64 - VFP_DOUBLE_MANTISSA_BITS)) >> 2;
if (s->exponent && s->exponent != 2047)
significand |= (1ULL << 62);
s->significand = significand;
significand = (u64) val;
significand = (significand << (64 - VFP_DOUBLE_MANTISSA_BITS)) >> 2;
if (s->exponent && s->exponent != 2047)
significand |= (1ULL << 62);
s->significand = significand;
}
/*
@ -392,30 +391,29 @@ static inline void vfp_double_unpack(struct vfp_double *s, s64 val)
*/
static inline s64 vfp_double_pack(struct vfp_double *s)
{
u64 val;
val = ((u64)s->sign << 48) +
((u64)s->exponent << VFP_DOUBLE_MANTISSA_BITS) +
(s->significand >> VFP_DOUBLE_LOW_BITS);
return (s64)val;
u64 val = ((u64)s->sign << 48) +
((u64)s->exponent << VFP_DOUBLE_MANTISSA_BITS) +
(s->significand >> VFP_DOUBLE_LOW_BITS);
return (s64)val;
}
static inline int vfp_double_type(struct vfp_double *s)
{
int type = VFP_NUMBER;
if (s->exponent == 2047) {
if (s->significand == 0)
type = VFP_INFINITY;
else if (s->significand & VFP_DOUBLE_SIGNIFICAND_QNAN)
type = VFP_QNAN;
else
type = VFP_SNAN;
} else if (s->exponent == 0) {
if (s->significand == 0)
type |= VFP_ZERO;
else
type |= VFP_DENORMAL;
}
return type;
int type = VFP_NUMBER;
if (s->exponent == 2047) {
if (s->significand == 0)
type = VFP_INFINITY;
else if (s->significand & VFP_DOUBLE_SIGNIFICAND_QNAN)
type = VFP_QNAN;
else
type = VFP_SNAN;
} else if (s->exponent == 0) {
if (s->significand == 0)
type |= VFP_ZERO;
else
type |= VFP_DENORMAL;
}
return type;
}
u32 vfp_double_normaliseround(ARMul_State* state, int dd, struct vfp_double *vd, u32 fpscr, u32 exceptions, const char *func);
@ -448,37 +446,37 @@ u32 vfp_estimate_sqrt_significand(u32 exponent, u32 significand);
#define OP_SM (1 << 2)
struct op {
u32 (* const fn)(ARMul_State* state, int dd, int dn, int dm, u32 fpscr);
u32 flags;
u32 (* const fn)(ARMul_State* state, int dd, int dn, int dm, u32 fpscr);
u32 flags;
};
static inline u32 fls(ARMword x)
{
int r = 32;
if (!x)
return 0;
if (!(x & 0xffff0000u)) {
x <<= 16;
r -= 16;
}
if (!(x & 0xff000000u)) {
x <<= 8;
r -= 8;
}
if (!(x & 0xf0000000u)) {
x <<= 4;
r -= 4;
}
if (!(x & 0xc0000000u)) {
x <<= 2;
r -= 2;
}
if (!(x & 0x80000000u)) {
x <<= 1;
r -= 1;
}
return r;
int r = 32;
if (!x)
return 0;
if (!(x & 0xffff0000u)) {
x <<= 16;
r -= 16;
}
if (!(x & 0xff000000u)) {
x <<= 8;
r -= 8;
}
if (!(x & 0xf0000000u)) {
x <<= 4;
r -= 4;
}
if (!(x & 0xc0000000u)) {
x <<= 2;
r -= 2;
}
if (!(x & 0x80000000u)) {
x <<= 1;
r -= 1;
}
return r;
}

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