Definition of FSTSW. Meaning of FSTSW. Synonyms of FSTSW

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Definition of FSTSW

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Meaning of FSTSW from wikipedia

- on FP stack ; } The fstsw-sahf followed by conditional jump idiom is used to access the x87 FPU status word bits C0 and C2. fstsw stores the status in...
- Control Word FNSTCW m16 D9 /7 FSTCW Store x87 Status Word FNSTSW m16 DD /7 FSTSW Clear x87 Exception Flags FNCLEX DB E2 FCLEX Load x87 FPU Environment FLDENV...
- S-15  It also has its own 16-bit status register accessible through the fstsw instruction, and it is common to simply use some of its bits for branching...
- The instruction is usually used with the FCOMI instruction or the FCOM-FSTSW-SAHF idiom to set the relevant condition codes based on the result of a...
- fptan frndint frstor fsave fscale fsin fsincos fsqrt fst fstenv fstew fstp fstsw fsub fsubp fsubr fsubrp ftst fucom fucomp fucompp fwait fxam fxch fxtract...