_mm_sub_ss
Classification
SSE_ALL, Arithmetic, CPUID Test: SSE
Header File
Instruction
SUBSS xmm, xmm
Synopsis
_mm_sub_ss(__m128 a, __m128 b);
Description
Subtract the lower single-precision (32-bit) floating-point element in "b" from the lower single-precision (32-bit) floating-point element in "a", store the result in the lower element of "dst", and copy the upper 3 packed elements from "a" to the upper elements of "dst".
Operation
dst[31:0] := a[31:0] - b[31:0]
dst[127:32] := a[127:32]