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-rw-r--r--src/core/arm/skyeye_common/vfp/vfp_helper.h342
1 files changed, 170 insertions, 172 deletions
diff --git a/src/core/arm/skyeye_common/vfp/vfp_helper.h b/src/core/arm/skyeye_common/vfp/vfp_helper.h
index 581f0358f..4798d523d 100644
--- a/src/core/arm/skyeye_common/vfp/vfp_helper.h
+++ b/src/core/arm/skyeye_common/vfp/vfp_helper.h
@@ -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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