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engine: add divideu64()/divideu64_noinline()

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This commit is contained in:
Richard C. Gobeille 2020-06-10 08:07:27 -07:00 committed by Christoph Oelckers
parent d3b6991846
commit 1cab7b9765
2 changed files with 15 additions and 0 deletions
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14
source/build/include/pragmas.h
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@ -49,6 +49,19 @@ skip:
return libdivide::libdivide_u32_do(n, &udiv); return libdivide::libdivide_u32_do(n, &udiv);
} }
static inline uint64_t divideu64(uint64_t const n, uint64_t const d)
{
static libdivide::libdivide_u64_t udiv;
static uint64_t lastd;
if (d == lastd)
goto skip;
udiv = libdivide::libdivide_u64_gen((lastd = d));
skip:
return libdivide::libdivide_u64_do(n, &udiv);
}
static inline int64_t tabledivide64(int64_t const n, int64_t const d) static inline int64_t tabledivide64(int64_t const n, int64_t const d)
{ {
static libdivide::libdivide_s64_t sdiv; static libdivide::libdivide_s64_t sdiv;
@ -78,6 +91,7 @@ skip:
} }
extern uint32_t divideu32_noinline(uint32_t n, uint32_t d); extern uint32_t divideu32_noinline(uint32_t n, uint32_t d);
extern uint64_t divideu64_noinline(uint64_t n, uint64_t d);
extern int32_t tabledivide32_noinline(int32_t n, int32_t d); extern int32_t tabledivide32_noinline(int32_t n, int32_t d);

1
source/build/src/pragmas.cpp
View file

@ -23,4 +23,5 @@ void initdivtables(void)
} }
uint32_t divideu32_noinline(uint32_t n, uint32_t d) { return divideu32(n, d); } uint32_t divideu32_noinline(uint32_t n, uint32_t d) { return divideu32(n, d); }
uint64_t divideu64_noinline(uint64_t n, uint64_t d) { return divideu64(n, d); }
int32_t tabledivide32_noinline(int32_t n, int32_t d) { return tabledivide32(n, d); } int32_t tabledivide32_noinline(int32_t n, int32_t d) { return tabledivide32(n, d); }