mirror of
https://github.com/PabloMK7/citra.git
synced 2025-10-31 05:40:04 +00:00
vfp_helper: Normalize tabs to spaces
This commit is contained in:
Lioncash
parent
4154560bd5
commit
d832c48864
1 changed files with 168 additions and 170 deletions
|
|
@ -104,125 +104,125 @@
|
||||||
|
|
||||||
static inline u32 vfp_shiftright32jamming(u32 val, unsigned int shift)
|
static inline u32 vfp_shiftright32jamming(u32 val, unsigned int shift)
|
||||||
{
|
{
|
||||||
if (shift) {
|
if (shift) {
|
||||||
if (shift < 32)
|
if (shift < 32)
|
||||||
val = val >> shift | ((val << (32 - shift)) != 0);
|
val = val >> shift | ((val << (32 - shift)) != 0);
|
||||||
else
|
else
|
||||||
val = val != 0;
|
val = val != 0;
|
||||||
}
|
}
|
||||||
return val;
|
return val;
|
||||||
}
|
}
|
||||||
|
|
||||||
static inline u64 vfp_shiftright64jamming(u64 val, unsigned int shift)
|
static inline u64 vfp_shiftright64jamming(u64 val, unsigned int shift)
|
||||||
{
|
{
|
||||||
if (shift) {
|
if (shift) {
|
||||||
if (shift < 64)
|
if (shift < 64)
|
||||||
val = val >> shift | ((val << (64 - shift)) != 0);
|
val = val >> shift | ((val << (64 - shift)) != 0);
|
||||||
else
|
else
|
||||||
val = val != 0;
|
val = val != 0;
|
||||||
}
|
}
|
||||||
return val;
|
return val;
|
||||||
}
|
}
|
||||||
|
|
||||||
static inline u32 vfp_hi64to32jamming(u64 val)
|
static inline u32 vfp_hi64to32jamming(u64 val)
|
||||||
{
|
{
|
||||||
u32 v;
|
u32 v;
|
||||||
u32 highval = val >> 32;
|
u32 highval = val >> 32;
|
||||||
u32 lowval = val & 0xffffffff;
|
u32 lowval = val & 0xffffffff;
|
||||||
|
|
||||||
if (lowval >= 1)
|
if (lowval >= 1)
|
||||||
v = highval | 1;
|
v = highval | 1;
|
||||||
else
|
else
|
||||||
v = highval;
|
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;
|
*resl = nl + ml;
|
||||||
*resh = nh + mh;
|
*resh = nh + mh;
|
||||||
if (*resl < nl)
|
if (*resl < nl)
|
||||||
*resh += 1;
|
*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;
|
*resl = nl - ml;
|
||||||
*resh = nh - mh;
|
*resh = nh - mh;
|
||||||
if (*resl > nl)
|
if (*resl > nl)
|
||||||
*resh -= 1;
|
*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;
|
u32 nh, nl, mh, ml;
|
||||||
u64 rh, rma, rmb, rl;
|
u64 rh, rma, rmb, rl;
|
||||||
|
|
||||||
nl = n;
|
nl = n;
|
||||||
ml = m;
|
ml = m;
|
||||||
rl = (u64)nl * ml;
|
rl = (u64)nl * ml;
|
||||||
|
|
||||||
nh = n >> 32;
|
nh = n >> 32;
|
||||||
rma = (u64)nh * ml;
|
rma = (u64)nh * ml;
|
||||||
|
|
||||||
mh = m >> 32;
|
mh = m >> 32;
|
||||||
rmb = (u64)nl * mh;
|
rmb = (u64)nl * mh;
|
||||||
rma += rmb;
|
rma += rmb;
|
||||||
|
|
||||||
rh = (u64)nh * mh;
|
rh = (u64)nh * mh;
|
||||||
rh += ((u64)(rma < rmb) << 32) + (rma >> 32);
|
rh += ((u64)(rma < rmb) << 32) + (rma >> 32);
|
||||||
|
|
||||||
rma <<= 32;
|
rma <<= 32;
|
||||||
rl += rma;
|
rl += rma;
|
||||||
rh += (rl < rma);
|
rh += (rl < rma);
|
||||||
|
|
||||||
*resl = rl;
|
*resl = rl;
|
||||||
*resh = rh;
|
*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;
|
*resh = n >> 63;
|
||||||
*resl = n << 1;
|
*resl = n << 1;
|
||||||
}
|
}
|
||||||
|
|
||||||
static inline u64 vfp_hi64multiply64(u64 n, u64 m)
|
static inline u64 vfp_hi64multiply64(u64 n, u64 m)
|
||||||
{
|
{
|
||||||
u64 rh, rl;
|
u64 rh, rl;
|
||||||
mul64to128(&rh, &rl, n, m);
|
mul64to128(&rh, &rl, n, m);
|
||||||
return rh | (rl != 0);
|
return rh | (rl != 0);
|
||||||
}
|
}
|
||||||
|
|
||||||
static inline u64 vfp_estimate_div128to64(u64 nh, u64 nl, u64 m)
|
static inline u64 vfp_estimate_div128to64(u64 nh, u64 nl, u64 m)
|
||||||
{
|
{
|
||||||
u64 mh, ml, remh, reml, termh, terml, z;
|
u64 mh, ml, remh, reml, termh, terml, z;
|
||||||
|
|
||||||
if (nh >= m)
|
if (nh >= m)
|
||||||
return ~0ULL;
|
return ~0ULL;
|
||||||
mh = m >> 32;
|
mh = m >> 32;
|
||||||
if (mh << 32 <= nh) {
|
if (mh << 32 <= nh) {
|
||||||
z = 0xffffffff00000000ULL;
|
z = 0xffffffff00000000ULL;
|
||||||
} else {
|
} else {
|
||||||
z = nh;
|
z = nh;
|
||||||
do_div(z, mh);
|
do_div(z, mh);
|
||||||
z <<= 32;
|
z <<= 32;
|
||||||
}
|
}
|
||||||
mul64to128(&termh, &terml, m, z);
|
mul64to128(&termh, &terml, m, z);
|
||||||
sub128(&remh, &reml, nh, nl, termh, terml);
|
sub128(&remh, &reml, nh, nl, termh, terml);
|
||||||
ml = m << 32;
|
ml = m << 32;
|
||||||
while ((s64)remh < 0) {
|
while ((s64)remh < 0) {
|
||||||
z -= 0x100000000ULL;
|
z -= 0x100000000ULL;
|
||||||
add128(&remh, &reml, remh, reml, mh, ml);
|
add128(&remh, &reml, remh, reml, mh, ml);
|
||||||
}
|
}
|
||||||
remh = (remh << 32) | (reml >> 32);
|
remh = (remh << 32) | (reml >> 32);
|
||||||
if (mh << 32 <= remh) {
|
if (mh << 32 <= remh) {
|
||||||
z |= 0xffffffff;
|
z |= 0xffffffff;
|
||||||
} else {
|
} else {
|
||||||
do_div(remh, mh);
|
do_div(remh, mh);
|
||||||
z |= remh;
|
z |= remh;
|
||||||
}
|
}
|
||||||
return z;
|
return z;
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
|
|
@ -234,9 +234,9 @@ static inline u64 vfp_estimate_div128to64(u64 nh, u64 nl, u64 m)
|
||||||
* Single-precision
|
* Single-precision
|
||||||
*/
|
*/
|
||||||
struct vfp_single {
|
struct vfp_single {
|
||||||
s16 exponent;
|
s16 exponent;
|
||||||
u16 sign;
|
u16 sign;
|
||||||
u32 significand;
|
u32 significand;
|
||||||
};
|
};
|
||||||
|
|
||||||
/*
|
/*
|
||||||
|
|
@ -271,16 +271,16 @@ struct vfp_single {
|
||||||
*/
|
*/
|
||||||
static inline void vfp_single_unpack(struct vfp_single *s, s32 val)
|
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->sign = vfp_single_packed_sign(val) >> 16,
|
||||||
s->exponent = vfp_single_packed_exponent(val);
|
s->exponent = vfp_single_packed_exponent(val);
|
||||||
|
|
||||||
significand = (u32) val;
|
significand = (u32) val;
|
||||||
significand = (significand << (32 - VFP_SINGLE_MANTISSA_BITS)) >> 2;
|
significand = (significand << (32 - VFP_SINGLE_MANTISSA_BITS)) >> 2;
|
||||||
if (s->exponent && s->exponent != 255)
|
if (s->exponent && s->exponent != 255)
|
||||||
significand |= 0x40000000;
|
significand |= 0x40000000;
|
||||||
s->significand = significand;
|
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)
|
static inline s32 vfp_single_pack(struct vfp_single *s)
|
||||||
{
|
{
|
||||||
u32 val;
|
u32 val = (s->sign << 16) +
|
||||||
val = (s->sign << 16) +
|
(s->exponent << VFP_SINGLE_MANTISSA_BITS) +
|
||||||
(s->exponent << VFP_SINGLE_MANTISSA_BITS) +
|
(s->significand >> VFP_SINGLE_LOW_BITS);
|
||||||
(s->significand >> VFP_SINGLE_LOW_BITS);
|
return (s32)val;
|
||||||
return (s32)val;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
#define VFP_NUMBER (1<<0)
|
#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)
|
static inline int vfp_single_type(struct vfp_single *s)
|
||||||
{
|
{
|
||||||
int type = VFP_NUMBER;
|
int type = VFP_NUMBER;
|
||||||
if (s->exponent == 255) {
|
if (s->exponent == 255) {
|
||||||
if (s->significand == 0)
|
if (s->significand == 0)
|
||||||
type = VFP_INFINITY;
|
type = VFP_INFINITY;
|
||||||
else if (s->significand & VFP_SINGLE_SIGNIFICAND_QNAN)
|
else if (s->significand & VFP_SINGLE_SIGNIFICAND_QNAN)
|
||||||
type = VFP_QNAN;
|
type = VFP_QNAN;
|
||||||
else
|
else
|
||||||
type = VFP_SNAN;
|
type = VFP_SNAN;
|
||||||
} else if (s->exponent == 0) {
|
} else if (s->exponent == 0) {
|
||||||
if (s->significand == 0)
|
if (s->significand == 0)
|
||||||
type |= VFP_ZERO;
|
type |= VFP_ZERO;
|
||||||
else
|
else
|
||||||
type |= VFP_DENORMAL;
|
type |= VFP_DENORMAL;
|
||||||
}
|
}
|
||||||
return type;
|
return type;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
@ -332,9 +331,9 @@ u32 vfp_single_normaliseround(ARMul_State* state, int sd, struct vfp_single *vs,
|
||||||
* Double-precision
|
* Double-precision
|
||||||
*/
|
*/
|
||||||
struct vfp_double {
|
struct vfp_double {
|
||||||
s16 exponent;
|
s16 exponent;
|
||||||
u16 sign;
|
u16 sign;
|
||||||
u64 significand;
|
u64 significand;
|
||||||
};
|
};
|
||||||
|
|
||||||
/*
|
/*
|
||||||
|
|
@ -374,16 +373,16 @@ struct vfp_double {
|
||||||
*/
|
*/
|
||||||
static inline void vfp_double_unpack(struct vfp_double *s, s64 val)
|
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->sign = vfp_double_packed_sign(val) >> 48;
|
||||||
s->exponent = vfp_double_packed_exponent(val);
|
s->exponent = vfp_double_packed_exponent(val);
|
||||||
|
|
||||||
significand = (u64) val;
|
significand = (u64) val;
|
||||||
significand = (significand << (64 - VFP_DOUBLE_MANTISSA_BITS)) >> 2;
|
significand = (significand << (64 - VFP_DOUBLE_MANTISSA_BITS)) >> 2;
|
||||||
if (s->exponent && s->exponent != 2047)
|
if (s->exponent && s->exponent != 2047)
|
||||||
significand |= (1ULL << 62);
|
significand |= (1ULL << 62);
|
||||||
s->significand = significand;
|
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)
|
static inline s64 vfp_double_pack(struct vfp_double *s)
|
||||||
{
|
{
|
||||||
u64 val;
|
u64 val = ((u64)s->sign << 48) +
|
||||||
val = ((u64)s->sign << 48) +
|
((u64)s->exponent << VFP_DOUBLE_MANTISSA_BITS) +
|
||||||
((u64)s->exponent << VFP_DOUBLE_MANTISSA_BITS) +
|
(s->significand >> VFP_DOUBLE_LOW_BITS);
|
||||||
(s->significand >> VFP_DOUBLE_LOW_BITS);
|
return (s64)val;
|
||||||
return (s64)val;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
static inline int vfp_double_type(struct vfp_double *s)
|
static inline int vfp_double_type(struct vfp_double *s)
|
||||||
{
|
{
|
||||||
int type = VFP_NUMBER;
|
int type = VFP_NUMBER;
|
||||||
if (s->exponent == 2047) {
|
if (s->exponent == 2047) {
|
||||||
if (s->significand == 0)
|
if (s->significand == 0)
|
||||||
type = VFP_INFINITY;
|
type = VFP_INFINITY;
|
||||||
else if (s->significand & VFP_DOUBLE_SIGNIFICAND_QNAN)
|
else if (s->significand & VFP_DOUBLE_SIGNIFICAND_QNAN)
|
||||||
type = VFP_QNAN;
|
type = VFP_QNAN;
|
||||||
else
|
else
|
||||||
type = VFP_SNAN;
|
type = VFP_SNAN;
|
||||||
} else if (s->exponent == 0) {
|
} else if (s->exponent == 0) {
|
||||||
if (s->significand == 0)
|
if (s->significand == 0)
|
||||||
type |= VFP_ZERO;
|
type |= VFP_ZERO;
|
||||||
else
|
else
|
||||||
type |= VFP_DENORMAL;
|
type |= VFP_DENORMAL;
|
||||||
}
|
}
|
||||||
return type;
|
return type;
|
||||||
}
|
}
|
||||||
|
|
||||||
u32 vfp_double_normaliseround(ARMul_State* state, int dd, struct vfp_double *vd, u32 fpscr, u32 exceptions, const char *func);
|
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)
|
#define OP_SM (1 << 2)
|
||||||
|
|
||||||
struct op {
|
struct op {
|
||||||
u32 (* const fn)(ARMul_State* state, int dd, int dn, int dm, u32 fpscr);
|
u32 (* const fn)(ARMul_State* state, int dd, int dn, int dm, u32 fpscr);
|
||||||
u32 flags;
|
u32 flags;
|
||||||
};
|
};
|
||||||
|
|
||||||
static inline u32 fls(ARMword x)
|
static inline u32 fls(ARMword x)
|
||||||
{
|
{
|
||||||
int r = 32;
|
int r = 32;
|
||||||
|
|
||||||
if (!x)
|
if (!x)
|
||||||
return 0;
|
return 0;
|
||||||
if (!(x & 0xffff0000u)) {
|
if (!(x & 0xffff0000u)) {
|
||||||
x <<= 16;
|
x <<= 16;
|
||||||
r -= 16;
|
r -= 16;
|
||||||
}
|
}
|
||||||
if (!(x & 0xff000000u)) {
|
if (!(x & 0xff000000u)) {
|
||||||
x <<= 8;
|
x <<= 8;
|
||||||
r -= 8;
|
r -= 8;
|
||||||
}
|
}
|
||||||
if (!(x & 0xf0000000u)) {
|
if (!(x & 0xf0000000u)) {
|
||||||
x <<= 4;
|
x <<= 4;
|
||||||
r -= 4;
|
r -= 4;
|
||||||
}
|
}
|
||||||
if (!(x & 0xc0000000u)) {
|
if (!(x & 0xc0000000u)) {
|
||||||
x <<= 2;
|
x <<= 2;
|
||||||
r -= 2;
|
r -= 2;
|
||||||
}
|
}
|
||||||
if (!(x & 0x80000000u)) {
|
if (!(x & 0x80000000u)) {
|
||||||
x <<= 1;
|
x <<= 1;
|
||||||
r -= 1;
|
r -= 1;
|
||||||
}
|
}
|
||||||
return r;
|
return r;
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue