Floating-Point Options
- fast-transcendentals, Qfast-transcendentals
Enables the compiler to replace calls to transcendental functions with faster but less precise implementations.
- fimf-absolute-error, Qimf-absolute-error
Defines the maximum allowable absolute error for math library function results.
- fimf-accuracy-bits, Qimf-accuracy-bits
Defines the relative error for math library function results, including division and square root.
- fimf-arch-consistency, Qimf-arch-consistency
Ensures that the math library functions produce consistent results across different microarchitectural implementations of the same architecture.
- fimf-domain-exclusion, Qimf-domain-exclusion
Indicates the input arguments domain on which math functions must provide correct results.
- fimf-force-dynamic-target, Qimf-force-dynamic-target
Instructs the compiler to use run-time dispatch in calls to math functions.
- fimf-max-error, Qimf-max-error
Defines the maximum allowable relative error for math library function results, including division and square root.
- fimf-precision, Qimf-precision
Lets you specify a level of accuracy (precision) that the compiler should use when determining which math library functions to use.
- fimf-use-svml, Qimf-use-svml
Instructs the compiler to use the Short Vector Math Library (SVML) rather than the Intel® Math Library (LIBM) to implement math library functions.
- fltconsistency
Enables improved floating-point consistency.
- fma, Qfma
Determines whether the compiler generates fused multiply-add (FMA) instructions if such instructions exist on the target processor.
- fp-model, fp
Controls the semantics of floating-point calculations.
- fp-port, Qfp-port
Rounds floating-point results after floating-point operations.
- fp-speculation, Qfp-speculation
Tells the compiler the mode in which to speculate on floating-point operations.
- fp-stack-check, Qfp-stack-check
Tells the compiler to generate extra code after every function call to ensure that the floating-point stack is in the expected state.
- fpe
Allows some control over floating-point exception handling for the main program at run-time.
- fpe-all
Allows some control over floating-point exception handling for each routine in a program at run-time.
- ftz, Qftz
Flushes denormal results to zero.
- Ge
Enables stack-checking for all functions. This is a deprecated option. The replacement option is /Gs0.
- mp1, Qprec
Improves floating-point precision and consistency.
- pc, Qpc
Enables control of floating-point significand precision.
- prec-div, Qprec-div
Improves precision of floating-point divides.
- prec-sqrt, Qprec-sqrt
Improves precision of square root implementations.
- qsimd-honor-fp-model, Qsimd-honor-fp-model
Tells the compiler to obey the selected floating-point model when vectorizing SIMD loops.
- qsimd-serialize-fp-reduction, Qsimd-serialize-fp-reduction
Tells the compiler to serialize floating-point reduction when vectorizing SIMD loops.
- rcd, Qrcd
Enables fast float-to-integer conversions. This is a deprecated option. There is no replacement option.
- recursive
Tells the compiler that all routines should be compiled for possible recursive execution.