Definition of MXCSR. Meaning of MXCSR. Synonyms of MXCSR

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Definition of MXCSR

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Meaning of MXCSR from wikipedia

- Intel 64 architecture. There is also a new 32-bit control/status register, MXCSR. The registers XMM8 through XMM15 are accessible only in 64-bit operating...
- flushed to zero (FTZ) nor conditionally treated as zero (DAZ) based on MXCSR settings. Subnormal values are processed at full speed by hardware to facilitate...
- added a 32-bit Streaming SIMD Extensions (SSE) control/status register (MXCSR) and eight 128-bit SSE floating-point registers (XMM0 to XMM7). Starting...
- mode. Values 0–4 select nearest, down, up, truncate, and the mode set in MXCSR.RC. Support for these instructions is indicated by bit 29 of ECX after CPUID...
- branches executed in ring 3. 5 mcdt_no If set, the processor does not exhibit MXCSR configuration dependent timing. 6 UC-lock disable feature supported. 7 monitor_mitg_no...
- Feature Purpose 0 X87 x87 FPU x87 FPU/MMX State, must be '1' 1 SSE SSE MXCSR and 16 XMM registers 2 AVX AVX 16 upper-halves of the YMM registers 3 BNDREG...
- Floating-Point Values LDMXCSR m32 0F AE /2 Load MXCSR Register State STMXCSR m32 0F AE /3 Store MXCSR Register State CMPPS xmm1, xmm2/m128, imm8 0F C2...