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49 lines
1.7 KiB
C

/*===--------------------------------------------------------------------------
* ROCm Device Libraries
*
* This file is distributed under the University of Illinois Open Source
* License. See LICENSE.TXT for details.
*===------------------------------------------------------------------------*/
#ifndef OCLC_H
#define OCLC_H
// These constants are used to control behavior of the libraries which
// check them.
//
// The current list of controls is as follows:
//
// __constant bool __oclc_finite_only_opt
// - the application will only pass finite arguments and expects only finite results
//
// __constant bool __oclc_unsafe_math_opt
// - the application accepts optimizations that may lower the accuracy of the results
//
// __constant bool __oclc_wavefrontsize64
// - the application is being compiled for a wavefront size of 64
//
// __constant int __oclc_ISA_version
// - the ISA version of the target device
//
// __constant int __oclc_ABI_version
// - the ABI version the application is being compiled for
//
// it is expected that the implementation provides these as if declared from the following
// C code:
//
// const bool int __oclc_... = 0; // Or 1
//
// allowing them and any control flow associated with them to be optimized away
extern const __constant bool __oclc_finite_only_opt;
extern const __constant bool __oclc_unsafe_math_opt;
extern const __constant bool __oclc_wavefrontsize64;
extern const __constant uint __oclc_wavefrontsize_log2;
extern const __constant int __oclc_ISA_version;
extern const __constant int __oclc_ABI_version;
#define OCLC_WAVEFRONT_SIZE (1u << __oclc_wavefrontsize_log2)
#endif // OCLC_H