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Minor pragmas.h cleanups

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git-svn-id: https://svn.eduke32.com/eduke32@7700 1a8010ca-5511-0410-912e-c29ae57300e0
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terminx 2019-06-25 11:28:37 +00:00 committed by Christoph Oelckers
parent 126088f035
commit 4ff7ec4a45
1 changed files with 13 additions and 34 deletions
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31
source/build/include/pragmas.h
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@ -39,14 +39,12 @@ extern int32_t reciptable[2048], fpuasm;
#define wo(x) ((int16_t)(x)) // word cast
#define by(x) ((uint8_t)(x)) // byte cast
#define LIBDIVIDE_ALWAYS
#define DIVTABLESIZE 16384
extern libdivide_s64_t divtable64[DIVTABLESIZE];
extern libdivide_s32_t divtable32[DIVTABLESIZE];
extern void initdivtables(void);
#if defined(__arm__) || defined(LIBDIVIDE_ALWAYS)
static inline uint32_t divideu32(uint32_t const n, uint32_t const d)
{
static libdivide_u32_t udiv;
@ -87,19 +85,6 @@ static inline int32_t tabledivide32(int32_t const n, int32_t const d)
skip:
return libdivide_s32_do(n, dptr);
}
#else
static FORCE_INLINE CONSTEXPR uint32_t divideu32(uint32_t const n, uint32_t const d) { return n / d; }
static inline int64_t tabledivide64(int64_t const n, int32_t const d)
{
return ((unsigned)d < DIVTABLESIZE) ? libdivide_s64_do(n, &divtable64[d]) : n / d;
}
static inline int32_t tabledivide32(int32_t const n, int32_t const d)
{
return ((unsigned)d < DIVTABLESIZE) ? libdivide_s32_do(n, &divtable32[d]) : n / d;
}
#endif
extern uint32_t divideu32_noinline(uint32_t n, uint32_t d);
extern int32_t tabledivide32_noinline(int32_t n, int32_t d);
@ -108,11 +93,7 @@ extern int64_t tabledivide64_noinline(int64_t n, int32_t d);
#ifdef GEKKO
static inline int32_t divscale(int32_t eax, int32_t ebx, int32_t ecx) { return tabledivide64(ldexp(eax, ecx), ebx); }
#else
static inline int32_t divscale(int32_t eax, int32_t ebx, int32_t ecx)
{
const int64_t numer = qw(eax) << by(ecx);
return dw(tabledivide64(numer, ebx));
}
static inline int32_t divscale(int32_t eax, int32_t ebx, int32_t ecx) { return dw(tabledivide64(qw(eax) << by(ecx), ebx)); }
#endif
#define EDUKE32_SCALER_PRAGMA(a) \
@ -122,17 +103,15 @@ EDUKE32_GENERATE_PRAGMAS EDUKE32_SCALER_PRAGMA(32)
static inline int32_t scale(int32_t eax, int32_t edx, int32_t ecx)
{
const int64_t numer = qw(eax) * edx;
return dw(tabledivide64(numer, ecx));
return dw(tabledivide64(qw(eax) * edx, ecx));
}
static inline int32_t scaleadd(int32_t eax, int32_t edx, int32_t addend, int32_t ecx)
static FORCE_INLINE int32_t scaleadd(int32_t eax, int32_t edx, int32_t addend, int32_t ecx)
{
const int64_t numer = qw(eax) * edx + addend;
return dw(tabledivide64(numer, ecx));
return dw(tabledivide64(qw(eax) * edx + addend, ecx));
}
static FORCE_INLINE int32_t roundscale(int32_t eax, int32_t edx, int32_t ecx)
static inline int32_t roundscale(int32_t eax, int32_t edx, int32_t ecx)
{
return scaleadd(eax, edx, ecx / 2, ecx);
}