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