The prototypes for Streaming SIMD Extensions intrinsics are in the xmmintrin.h header file.
| Intrinsic | Instruction | Operation | R0 | R1 | R2 | R3 |
|---|---|---|---|---|---|---|
| _mm_add_ss | ADDSS | Addition | a0 [op] b0 | a1 | a2 | a3 |
| _mm_add_ps | ADDPS | Addition | a0 [op] b0 | a1 [op] b1 | a2 [op] b2 | a3 [op] b3 |
| _mm_sub_ss | SUBSS | Subtraction | a0 [op] b0 | a1 | a2 | a3 |
| _mm_sub_ps | SUBPS | Subtraction | a0 [op] b0 | a1 [op] b1 | a2 [op] b2 | a3 [op] b3 |
| _mm_mul_ss | MULSS | Multiplication | a0 [op] b0 | a1 | a2 | a3 |
| _mm_mul_ps | MULPS | Multiplication | a0 [op] b0 | a1 [op] b1 | a2 [op] b2 | a3 [op] b3 |
| _mm_div_ss | DIVSS | Division | a0 [op] b0 | a1 | a2 | a3 |
| _mm_div_ps | DIVPS | Division | a0 [op] b0 | a1 [op] b1 | a2 [op] b2 | a3 [op] b3 |
| _mm_sqrt_ss | SQRTSS | Squared Root | [op] a0 | a1 | a2 | a3 |
| _mm_sqrt_ps | SQRTPS | Squared Root | [op] a0 | [op] b1 | [op] b2 | [op] b3 |
| _mm_rcp_ss | RCPSS | Reciprocal | [op] a0 | a1 | a2 | a3 |
| _mm_rcp_ps | RCPPS | Reciprocal | [op] a0 | [op] b1 | [op] b2 | [op] b3 |
| _mm_rsqrt_ss | RSQRTSS | Reciprocal Square Root | [op] a0 | a1 | a2 | a3 |
| _mm_rsqrt_ps | RSQRTPS | Reciprocal Squared Root | [op] a0 | [op] b1 | [op] b2 | [op] b3 |
| _mm_min_ss | MINSS | Computes Minimum | [op]( a0,b0) | a1 | a2 | a3 |
| _mm_min_ps | MINPS | Computes Minimum | [op]( a0,b0) | [op] (a1, b1) | [op] (a2, b2) | [op] (a3, b3) |
| _mm_max_ss | MAXSS | Computes Maximum | [op]( a0,b0) | a1 | a2 | a3 |
| _mm_max_ps | MAXPS | Computes Maximum | [op]( a0,b0) | [op] (a1, b1) | [op] (a2, b2) | [op] (a3, b3) |
__m128 _mm_add_ss(__m128 a, __m128 b)
Adds the lower SP FP (single-precision, floating-point) values of a and b; the upper 3 SP FP values are passed through from a.
r0 := a0 + b0
r1 := a1 ; r2 := a2 ; r3 := a3
__m128 _mm_add_ps(__m128 a, __m128 b)
Adds the four SP FP values of a and b.
r0 := a0 + b0
r1 := a1 + b1
r2 := a2 + b2
r3 := a3 + b3
__m128 _mm_sub_ss(__m128 a, __m128 b)
Subtracts the lower SP FP values of a and b. The upper 3 SP FP values are passed through from a.
r0 := a0 - b0
r1 := a1 ; r2 := a2 ; r3 := a3
__m128 _mm_sub_ps(__m128 a, __m128 b)
Subtracts the four SP FP values of a and b.
r0 := a0 - b0
r1 := a1 - b1
r2 := a2 - b2
r3 := a3 - b3
__m128 _mm_mul_ss(__m128 a, __m128 b)
Multiplies the lower SP FP values of a and b; the upper 3 SP FP values are passed through from a.
r0 := a0 * b0
r1 := a1 ; r2 := a2 ; r3 := a3
__m128 _mm_mul_ps(__m128 a, __m128 b)
Multiplies the four SP FP values of a and b.
r0 := a0 * b0
r1 := a1 * b1
r2 := a2 * b2
r3 := a3 * b3
__m128 _mm_div_ss(__m128 a, __m128 b )
Divides the lower SP FP values of a and b; the upper 3 SP FP values are passed through from a.
r0 := a0 / b0
r1 := a1 ; r2 := a2 ; r3 := a3
__m128 _mm_div_ps(__m128 a, __m128 b)
Divides the four SP FP values of a and b.
r0 := a0 / b0
r1 := a1 / b1
r2 := a2 / b2
r3 := a3 / b3
__m128 _mm_sqrt_ss(__m128 a)
Computes the square root of the lower SP FP value of a ; the upper 3 SP FP values are passed through.
r0 := sqrt(a0)
r1 := a1 ; r2 := a2 ; r3 := a3
__m128 _mm_sqrt_ps(__m128 a)
Computes the square roots of the four SP FP values of a.
r0 := sqrt(a0)
r1 := sqrt(a1)
r2 := sqrt(a2)
r3 := sqrt(a3)
__m128 _mm_rcp_ss(__m128 a)
Computes the approximation of the reciprocal of the lower SP FP value of a; the upper 3 SP FP values are passed through.
r0 := recip(a0)
r1 := a1 ; r2 := a2 ; r3 := a3
__m128 _mm_rcp_ps(__m128 a)
Computes the approximations of reciprocals of the four SP FP values of a.
r0 := recip(a0)
r1 := recip(a1)
r2 := recip(a2)
r3 := recip(a3)
__m128 _mm_rsqrt_ss(__m128 a)
Computes the approximation of the reciprocal of the square root of the lower SP FP value of a; the upper 3 SP FP values are passed through.
r0 := recip(sqrt(a0))
r1 := a1 ; r2 := a2 ; r3 := a3
__m128 _mm_rsqrt_ps(__m128 a)
Computes the approximations of the reciprocals of the square roots of the four SP FP values of a.
r0 := recip(sqrt(a0))
r1 := recip(sqrt(a1))
r2 := recip(sqrt(a2))
r3 := recip(sqrt(a3))
__m128 _mm_min_ss(__m128 a, __m128 b)
Computes the minimum of the lower SP FP values of a and b; the upper 3 SP FP values are passed through from a.
r0 := min(a0, b0)
r1 := a1 ; r2 := a2 ; r3 := a3
__m128 _mm_min_ps(__m128 a, __m128 b)
Computes the minimum of the four SP FP values of a and b.
r0 := min(a0, b0)
r1 := min(a1, b1)
r2 := min(a2, b2)
r3 := min(a3, b3)
__m128 _mm_max_ss(__m128 a, __m128 b)
Computes the maximum of the lower SP FP values of a and b; the upper 3 SP FP values are passed through from a.
r0 := max(a0, b0)
r1 := a1 ; r2 := a2 ; r3 := a3
__m128 _mm_max_ps(__m128 a, __m128 b)
Computes the maximum of the four SP FP values of a and b.
r0 := max(a0, b0)
r1 := max(a1, b1)
r2 := max(a2, b2)
r3 := max(a3, b3)