mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-12-25 11:10:47 +00:00
301 lines
6.6 KiB
C
301 lines
6.6 KiB
C
// GCC Inline Assembler version (PowerPC)
|
|
|
|
#ifdef __pragmas_h__
|
|
#ifndef __pragmas_ppc_h__
|
|
#define __pragmas_ppc_h__
|
|
|
|
#define sqr(a) ((a)*(a))
|
|
|
|
int32_t scale(int32_t a, int32_t d, int32_t c);
|
|
|
|
#define _scaler(x) \
|
|
static inline int32_t mulscale##x(int32_t a, int32_t d) \
|
|
{ \
|
|
int32_t mullo, mulhi; \
|
|
__asm__ ( \
|
|
" mullw %0, %2, %3\n" \
|
|
" mulhw %1, %2, %3\n" \
|
|
" srwi %0, %0, %4\n" \
|
|
" insrwi %0, %1, %4, 0\n" \
|
|
: "=&r"(mullo), "=r"(mulhi) \
|
|
: "r"(a), "r"(d), "i"(x) \
|
|
); \
|
|
return mullo; \
|
|
} \
|
|
static inline int32_t dmulscale##x(int32_t a, int32_t d, int32_t S, int32_t D) \
|
|
{ \
|
|
int32_t mulhi, mullo, sumhi, sumlo; \
|
|
__asm__ ( \
|
|
" mullw %0, %4, %5\n" \
|
|
" mulhw %1, %4, %5\n" \
|
|
" mullw %2, %6, %7\n" \
|
|
" mulhw %3, %6, %7\n" \
|
|
" addc %0, %0, %2\n" \
|
|
" adde %1, %1, %3\n" \
|
|
" srwi %0, %0, %8\n" \
|
|
" insrwi %0, %1, %8, 0\n" \
|
|
: "=&r"(sumlo), "=&r"(sumhi), "=&r"(mullo), "=r"(mulhi) \
|
|
: "r"(a), "r"(d), "r"(S), "r"(D), "i"(x) \
|
|
: "xer" \
|
|
); \
|
|
return sumlo; \
|
|
}
|
|
|
|
PRAGMA_FUNCS
|
|
#undef _scaler
|
|
|
|
static inline int32_t mulscale(int32_t a, int32_t d, int32_t c)
|
|
{
|
|
int32_t mullo, mulhi;
|
|
__asm__(
|
|
" mullw %0, %2, %3\n"
|
|
" mulhw %1, %2, %3\n"
|
|
" srw %0, %0, %4\n"
|
|
" slw %1, %1, %5\n"
|
|
" or %0, %0, %1\n"
|
|
: "=&r"(mullo), "=&r"(mulhi)
|
|
: "r"(a), "r"(d), "r"(c), "r"(32-c)
|
|
: "xer"
|
|
);
|
|
return mullo;
|
|
}
|
|
|
|
static inline int32_t mulscale32(int32_t a, int32_t d)
|
|
{
|
|
int32_t mulhi;
|
|
__asm__(
|
|
" mulhw %0, %1, %2\n"
|
|
: "=r"(mulhi)
|
|
: "r"(a), "r"(d)
|
|
);
|
|
return mulhi;
|
|
}
|
|
|
|
static inline int32_t dmulscale(int32_t a, int32_t d, int32_t S, int32_t D, int32_t c)
|
|
{
|
|
int32_t mulhi, mullo, sumhi, sumlo;
|
|
__asm__(
|
|
" mullw %0, %4, %5\n"
|
|
" mulhw %1, %4, %5\n"
|
|
" mullw %2, %6, %7\n"
|
|
" mulhw %3, %6, %7\n"
|
|
" addc %0, %0, %2\n"
|
|
" adde %1, %1, %3\n"
|
|
" srw %0, %0, %8\n"
|
|
" slw %1, %1, %9\n"
|
|
" or %0, %0, %1\n"
|
|
: "=&r"(sumlo), "=&r"(sumhi), "=&r"(mullo), "=&r"(mulhi)
|
|
: "r"(a), "r"(d), "r"(S), "r"(D), "r"(c), "r"(32-c)
|
|
: "xer"
|
|
);
|
|
return sumlo;
|
|
}
|
|
|
|
static inline int32_t dmulscale32(int32_t a, int32_t d, int32_t S, int32_t D)
|
|
{
|
|
int32_t mulhi, mullo, sumhi, sumlo;
|
|
__asm__(\
|
|
" mullw %0, %4, %5\n" \
|
|
" mulhw %1, %4, %5\n" \
|
|
" mullw %2, %6, %7\n" \
|
|
" mulhw %3, %6, %7\n" \
|
|
" addc %0, %0, %2\n" \
|
|
" adde %1, %1, %3\n" \
|
|
: "=&r"(sumlo), "=&r"(sumhi), "=&r"(mullo), "=r"(mulhi)
|
|
: "r"(a), "r"(d), "r"(S), "r"(D)
|
|
: "xer"
|
|
);
|
|
return sumhi;
|
|
}
|
|
|
|
static inline char readpixel(void *d)
|
|
{
|
|
return *(char*) d;
|
|
}
|
|
|
|
static inline void drawpixel(void *d, char a)
|
|
{
|
|
*(char*) d = a;
|
|
}
|
|
|
|
static inline void drawpixels(void *d, int16_t a)
|
|
{
|
|
__asm__(
|
|
" sthbrx %0, 0, %1\n"
|
|
:
|
|
: "r"(&a), "r"(d)
|
|
: "memory"
|
|
);
|
|
}
|
|
|
|
static inline void drawpixelses(void *d, int32_t a)
|
|
{
|
|
__asm__(
|
|
" stwbrx %0, 0, %1\n"
|
|
:
|
|
: "r"(&a), "r"(d)
|
|
: "memory"
|
|
);
|
|
}
|
|
|
|
void clearbufbyte(void *d, int32_t c, int32_t a);
|
|
|
|
static inline void clearbuf(void *d, int32_t c, int32_t a)
|
|
{
|
|
int32_t *p = (int32_t*) d;
|
|
if (a==0) {
|
|
clearbufbyte(d, c<<2, 0);
|
|
return;
|
|
}
|
|
while (c--) {
|
|
*p++ = a;
|
|
}
|
|
}
|
|
|
|
static inline void copybuf(void *s, void *d, int32_t c)
|
|
{
|
|
int32_t *p = (int32_t*) s, *q = (int32_t*) d;
|
|
while (c--) {
|
|
*q++ = *p++;
|
|
}
|
|
}
|
|
|
|
static inline void copybufbyte(void *s, void *d, int32_t c)
|
|
{
|
|
uint8_t *src = (uint8_t*) s, *dst = (uint8_t*) d;
|
|
while (c--) {
|
|
*dst++ = *src++;
|
|
}
|
|
}
|
|
|
|
static inline void copybufreverse(void *s, void *d, int32_t c)
|
|
{
|
|
uint8_t *src = (uint8_t*) s, *dst = (uint8_t*) d;
|
|
while (c--) {
|
|
*dst++ = *src--;
|
|
}
|
|
}
|
|
|
|
static inline void qinterpolatedown16(intptr_t bufptr, int32_t num, int32_t val, int32_t add)
|
|
{
|
|
int i;
|
|
int32_t *lptr = (int32_t *) bufptr;
|
|
for (i=0; i<num; i++) {
|
|
lptr[i] = (val>>16);
|
|
val += add;
|
|
}
|
|
}
|
|
|
|
static inline void qinterpolatedown16short(intptr_t bufptr, int32_t num, int32_t val, int32_t add)
|
|
{
|
|
int i;
|
|
int16_t *sptr = (int16_t *) bufptr;
|
|
for (i=0; i<num; i++) {
|
|
sptr[i] = (val>>16);
|
|
val += add;
|
|
}
|
|
}
|
|
|
|
static inline int32_t klabs(int32_t a)
|
|
{
|
|
int32_t mask;
|
|
__asm__(
|
|
" srawi %0, %1, 31\n"
|
|
" xor %1, %0, %1\n"
|
|
" subf %1, %0, %1\n"
|
|
: "=&r"(mask), "+r"(a)
|
|
:
|
|
: "xer"
|
|
);
|
|
return a;
|
|
}
|
|
|
|
static inline int32_t ksgn(int32_t a)
|
|
{
|
|
int32_t s, t;
|
|
__asm__(
|
|
" neg %1, %2\n"
|
|
" srawi %0, %2, 31\n"
|
|
" srwi %1, %1, 31\n"
|
|
" or %1, %1, %0\n"
|
|
: "=r"(t), "=&r"(s)
|
|
: "r"(a)
|
|
: "xer"
|
|
);
|
|
return s;
|
|
}
|
|
|
|
static inline void swapchar(void *a, void *b)
|
|
{
|
|
char t = *(char*) a;
|
|
*(char*) a = *(char*) b;
|
|
*(char*) b = t;
|
|
}
|
|
|
|
static inline void swapchar2(void *a, void *b, int32_t s)
|
|
{
|
|
swapchar(a, b);
|
|
swapchar((char*) a+1, (char*) b+s);
|
|
}
|
|
|
|
static inline void swapshort(void *a, void *b)
|
|
{
|
|
int16_t t = *(int16_t*) a;
|
|
*(int16_t*) a = *(int16_t*) b;
|
|
*(int16_t*) b = t;
|
|
}
|
|
|
|
static inline void swaplong(void *a, void *b)
|
|
{
|
|
int32_t t = *(int32_t*) a;
|
|
*(int32_t*) a = *(int32_t*) b;
|
|
*(int32_t*) b = t;
|
|
}
|
|
|
|
static inline void swapfloat(void *a, void *b)
|
|
{
|
|
float t = *(float*) a;
|
|
*(float*) a = *(float*) b;
|
|
*(float*) b = t;
|
|
}
|
|
|
|
static inline void swap64bit(void *a, void *b)
|
|
{
|
|
double t = *(double*) a;
|
|
*(double*) a = *(double*) b;
|
|
*(double*) b = t;
|
|
}
|
|
|
|
static inline int32_t divmod(int32_t a, int32_t b)
|
|
{
|
|
int32_t div;
|
|
__asm__(
|
|
" divwu %0, %2, %3\n"
|
|
" mullw %1, %0, %3\n"
|
|
" subf %1, %1, %2\n"
|
|
: "=&r"(div), "=&r"(dmval)
|
|
: "r"(a), "r"(b)
|
|
);
|
|
return div;
|
|
}
|
|
|
|
static inline int32_t moddiv(int32_t a, int32_t b)
|
|
{
|
|
int32_t mod;
|
|
__asm__(
|
|
" divwu %0, %2, %3\n"
|
|
" mullw %1, %0, %3\n"
|
|
" subf %1, %1, %2\n"
|
|
: "=&r"(dmval), "=&r"(mod)
|
|
: "r"(a), "r"(b)
|
|
);
|
|
return mod;
|
|
}
|
|
|
|
static inline int32_t umin(int32_t a, int32_t b) { if ((uint32_t) a < (uint32_t) b) return a; return b; }
|
|
static inline int32_t umax(int32_t a, int32_t b) { if ((uint32_t) a < (uint32_t) b) return b; return a; }
|
|
static inline int32_t kmin(int32_t a, int32_t b) { if ((int32_t) a < (int32_t) b) return a; return b; }
|
|
static inline int32_t kmax(int32_t a, int32_t b) { if ((int32_t) a < (int32_t) b) return b; return a; }
|
|
|
|
#endif // __pragmas_ppc_h__
|
|
#endif // __pragmas_h__
|