3e4153c97b
XAndesBFHCvt provides two builtins functions for converting between float and bf16. Users can use them to convert bf16 values loaded from memory to float, perform arithmetic operations, then convert them back to bf16 and store them to memory. The load/store and move operations for bf16 will be handled in a later patch.
36 lines
939 B
C
36 lines
939 B
C
/*===---- riscv_nds.h - Andes intrinsics -----------------------------------===
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*
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* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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* See https://llvm.org/LICENSE.txt for license information.
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* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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*
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*===-----------------------------------------------------------------------===
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*/
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#ifndef __RISCV_NDS_H
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#define __RISCV_NDS_H
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#if defined(__cplusplus)
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extern "C" {
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#endif
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#if defined(__riscv_xandesbfhcvt)
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#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__))
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static __inline__ float __DEFAULT_FN_ATTRS __riscv_nds_fcvt_s_bf16(__bf16 bf) {
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return __builtin_riscv_nds_fcvt_s_bf16(bf);
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}
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static __inline__ __bf16 __DEFAULT_FN_ATTRS __riscv_nds_fcvt_bf16_s(float sf) {
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return __builtin_riscv_nds_fcvt_bf16_s(sf);
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}
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#endif // defined(__riscv_xandesbfhcvt)
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#if defined(__cplusplus)
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}
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#endif
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#endif // define __RISCV_NDS_H
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