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Tune magic division for size

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This helps it avoid generating a branch instruction.
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Justine Tunney 2023-05-10 21:32:04 -07:00
parent 1f6f9e6701
commit 8d24a18c62
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1 changed files with 1 additions and 1 deletions
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libc/tinymath/magicu.h
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@ -17,7 +17,7 @@ struct magicu __magicu_get(uint32_t);
* @param d should be `__magicu_get(y)` if computing `x / y`
* @return result of unsigned integer division
*/
static inline uint32_t __magicu_div(uint32_t x, struct magicu d) {
static inline optimizesize uint32_t __magicu_div(uint32_t x, struct magicu d) {
return ((((uint64_t)x * d.M) >> 32) + ((d.s & 64) ? x : 0)) >> (d.s & 63);
}