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The latest version of this topic can be found at -Q Options (Low-Level Operations).
You can use the /Q compiler options to perform the following low-level compiler operations:
/Qfast_transcendentals (Force Fast Transcendentals): Generates fast transcendentals.
/QIfist (Suppress _ftol): Suppresses
_ftolwhen a conversion from a floating-point type to an integer type is required (x86 only)./Qimprecise_fwaits (Remove fwaits Inside Try Blocks): Removes
fwaitcommands insidetryblocks./Qpar (Auto-Parallelizer): Enables automatic parallelization of loops that are marked with the #pragma loop() directive.
/Qpar-report (Auto-Parallelizer Reporting Level): Enables reporting levels for automatic parallelization.
/Qsafe_fp_loads: Suppresses optimizations for floating-point register loads and for moves between memory and MMX registers.
/Qvec-report (Auto-Vectorizer Reporting Level): Enables reporting levels for automatic vectorization.