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Add more sorting algorithms

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Justine Tunney 2023-04-27 05:42:10 -07:00
parent b7bf052a4b
commit 7c9ef924bf
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GPG key ID: BE714B4575D6E328
17 changed files with 49004 additions and 5 deletions
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5
third_party/compiler_rt/popcountdi2.c vendored
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@ -22,6 +22,10 @@ STATIC_YOINK("huge_compiler_rt_license");
COMPILER_RT_ABI si_int
__popcountdi2(di_int a)
{
#ifdef __POPCNT__
asm("popcnt\t%1,%0" : "=r"(a) : "r"(a) : "cc");
return a;
#else
du_int x2 = (du_int)a;
x2 = x2 - ((x2 >> 1) & 0x5555555555555555uLL);
/* Every 2 bits holds the sum of every pair of bits (32) */
@ -36,4 +40,5 @@ __popcountdi2(di_int a)
/* The lower 16 bits hold two 32 bit sums (6 significant bits). */
/* Upper 16 bits are garbage */
return (x + (x >> 8)) & 0x0000007F; /* (7 significant bits) */
#endif
}