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Further refine documentation

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This commit is contained in:
Justine Tunney 2020-12-27 17:05:03 -08:00
parent 1bc3a25505
commit 548dcb9f08
27 changed files with 389 additions and 1478 deletions
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44
libc/bits/xmmintrin.internal.h
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@ -98,25 +98,37 @@ typedef float __m128_u _Vector_size(16) forcealign(1) mayalias;
│ cosmopolitan § it's a trap! » sse » scalar ops ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
forceinline __m128 _mm_add_ss(__m128 m128_0, __m128 m128_1) {
m128_0[0] += m128_1[0];
return m128_0;
}
#define _mm_add_ss(m128_0, m128_1) \
({ \
__m128 a = m128_0; \
__m128 b = m128_0; \
a[0] += b[0]; \
a; \
})
forceinline __m128 _mm_sub_ss(__m128 m128_0, __m128 m128_1) {
m128_0[0] -= m128_1[0];
return m128_0;
}
#define _mm_sub_ss(m128_0, m128_1) \
({ \
__m128 a = m128_0; \
__m128 b = m128_0; \
a[0] -= b[0]; \
a; \
})
forceinline __m128 _mm_mul_ss(__m128 m128_0, __m128 m128_1) {
m128_0[0] *= m128_1[0];
return m128_0;
}
#define _mm_mul_ss(m128_0, m128_1) \
({ \
__m128 a = m128_0; \
__m128 b = m128_0; \
a[0] *= b[0]; \
a; \
})
forceinline __m128 _mm_div_ss(__m128 m128_0, __m128 m128_1) {
m128_0[0] /= m128_1[0];
return m128_0;
}
#define _mm_div_ss(m128_0, m128_1) \
({ \
__m128 a = m128_0; \
__m128 b = m128_0; \
a[0] /= b[0]; \
a; \
})
#define _mm_rcp_ss(M128) __builtin_ia32_rcpss((__v4sf)(M128)) /*~1/x*/
#define _mm_sqrt_ss(M128) __builtin_ia32_sqrtss((__v4sf)(M128)) /*sqrt𝑥*/