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UM0434 Datasheet(PDF) 231 Page - STMicroelectronics |
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UM0434 Datasheet(HTML) 231 Page - STMicroelectronics |
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231 / 390 page  Instruction pipeline and execution timing UM0434 232/391 Vector Floating-Point APU instruction timing Timings for embedded vector single-precision floating-point instructions are shown in Table 159. The number of stall cycles for evfsdiv is (latency) cycles. evmwssf 11 evmwssfa 11 evmwssfaa 11 evmwssfan 11 evmwumi 11 evmwumia 11 evmwumiaa 11 evmwumian 11 evsubfsmiaaw 11 evsubfssiaaw 11 evsubfumiaaw 11 evsubfusiaaw 11 Table 162. SPE vector Floating-Point instruction timing Instruction Latency Throughput Comments evfsabs 11 evfsadd 11 evfscfsf 11 evfscfsi 11 evfscfuf 11 evfscfui 11 evfscmpeq 11 evfscmpgt 11 evfscmplt 11 evfsctsf 11 evfsctsi 11 evfsctsiz 11 evfsctuf 11 evfsctui 11 evfsctuiz 11 evfsdiv 12 12 Blocking, no overlap with next instruction evfsmadd 1 1 Destination also used as source Table 161. SPE complex integer instruction timing (continued) Instruction Latency Throughput Comments |
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