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AI Engine-ML Intrinsics User Guide (v2024.2)
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Status registers
Intrinsics to set,get and clear the status registers. More...
Overview
Intrinsics to set,get and clear the status registers.
Satutus registers:
| Register | Width | Meaning |
|---|---|---|
| srCarry - Carry | 1 | ALU overflow carry bit |
| srSS0 SS_TLAST - TLAST | 2 | bit 0: Reading the narrow input stream returned TLAST condition |
| bit 1: Reading the narrow input stream returned a non blocking SUCCESS condition | ||
| srMS0 - Non blocking | 1 | Writing the narrow output stream returned a non blocking SUCCESS condition |
| srSRS_of - Saturation | 1 | Saturation in SRS for all lanes |
| srUPS_of - Saturation | 1 | Saturation in UPS for all lanes |
| srCompr_uf | 1 | Underflow in compressed load |
| srSparse_of | 1 | Overflow in sparse vector mask |
| srFPFlags | 5 | Floating-point status flags |
| srF2IFlags | 5 | Floating-point to integer conversion status flags |
| srF2FFlags | 5 | Floating-point to floating-point conversion status flags |
Miscellaneous status bits | |
Saturation for SRS in all lanes. | |
| unsigned int | get_srs_of () |
| void | set_srs_of () |
| void | set_srs_of (unsigned int val) |
| void | clr_srs_of () |
| unsigned int | get_ups_of () |
| Saturation for UPS in all lanes. | |
| void | set_ups_of () |
| Saturation for UPS in all lanes. | |
| void | set_ups_of (unsigned int val) |
| Saturation for UPS in all lanes. | |
| void | clr_ups_of () |
| Saturation for UPS in all lanes. | |
| unsigned int | get_fpmulmac_flags () |
| Floating point flags. | |
| void | set_fpmulmac_flags (unsigned int val) |
| Floating point flags. | |
| unsigned int | get_fp2int_flags () |
| Floating point flags. | |
| void | set_fp2int_flags (unsigned int val) |
| Floating point flags. | |
| unsigned int | get_fpf2f_flags () |
| Floating point flags. | |
| void | set_fpf2f_flags (unsigned int val) |
| Floating point flags. | |
| unsigned int | get_compr_uf () |
| Decompression underflow flag. | |
| void | set_compr_uf () |
| Decompression underflow flag. | |
| void | set_compr_uf (unsigned int val) |
| Decompression underflow flag. | |
| void | clr_compr_uf () |
| Decompression underflow flag. | |
| unsigned int | get_sparse_of () |
| Sparse overflow flag. | |
| void | set_sparse_of () |
| Sparse overflow flag. | |
| void | set_sparse_of (unsigned int val) |
| Sparse overflow flag. | |
| void | clr_sparse_of () |
| Sparse overflow flag. | |
Function Documentation
◆ clr_compr_uf()
| void clr_compr_uf | ( | ) |
Decompression underflow flag.
◆ clr_sparse_of()
| void clr_sparse_of | ( | ) |
Sparse overflow flag.
◆ clr_srs_of()
| void clr_srs_of | ( | ) |
◆ clr_ups_of()
| void clr_ups_of | ( | ) |
Saturation for UPS in all lanes.
◆ get_compr_uf()
| unsigned int get_compr_uf | ( | ) |
Decompression underflow flag.
◆ get_fp2int_flags()
| unsigned int get_fp2int_flags | ( | ) |
Floating point flags.
◆ get_fpf2f_flags()
| unsigned int get_fpf2f_flags | ( | ) |
Floating point flags.
◆ get_fpmulmac_flags()
| unsigned int get_fpmulmac_flags | ( | ) |
Floating point flags.
◆ get_sparse_of()
| unsigned int get_sparse_of | ( | ) |
Sparse overflow flag.
◆ get_srs_of()
| unsigned int get_srs_of | ( | ) |
◆ get_ups_of()
| unsigned int get_ups_of | ( | ) |
Saturation for UPS in all lanes.
◆ set_compr_uf() [1/2]
| void set_compr_uf | ( | ) |
Decompression underflow flag.
◆ set_compr_uf() [2/2]
| void set_compr_uf | ( | unsigned int | val | ) |
Decompression underflow flag.
◆ set_fp2int_flags()
| void set_fp2int_flags | ( | unsigned int | val | ) |
Floating point flags.
◆ set_fpf2f_flags()
| void set_fpf2f_flags | ( | unsigned int | val | ) |
Floating point flags.
◆ set_fpmulmac_flags()
| void set_fpmulmac_flags | ( | unsigned int | val | ) |
Floating point flags.
◆ set_sparse_of() [1/2]
| void set_sparse_of | ( | ) |
Sparse overflow flag.
◆ set_sparse_of() [2/2]
| void set_sparse_of | ( | unsigned int | val | ) |
Sparse overflow flag.
◆ set_srs_of() [1/2]
| void set_srs_of | ( | ) |
◆ set_srs_of() [2/2]
| void set_srs_of | ( | unsigned int | val | ) |
◆ set_ups_of() [1/2]
| void set_ups_of | ( | ) |
Saturation for UPS in all lanes.
◆ set_ups_of() [2/2]
| void set_ups_of | ( | unsigned int | val | ) |
Saturation for UPS in all lanes.