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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PM0214 датащи(PDF) 158 Page - STMicroelectronics |
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PM0214 датащи(HTML) 158 Page - STMicroelectronics |
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158 / 245 page  The STM32 Cortex-M4 instruction set PM0214 158/245 DocID022708 Rev 4 3.10.12 VLMA, VLMS Multiplies two floating-point values, and accumulates or subtracts the results. Syntax VLMA{cond}.F32 Sd, Sn, Sm VLMS{cond}.F32 Sd, Sn, Sm where: • ‘cond’ is an optional condition code, see Conditional execution on page 64. • ‘Sd’ is the destination floating-point value • ‘Sn, Sm’ are the operand floating-point values. Operation The floating-point Multiply Accumulate instruction: 1. Multiplies two floating-point values. 2. Adds the results to the destination floating-point value. The floating-point Multiply Subtract instruction: 1. Multiplies two floating-point values. 2. Subtracts the products from the destination floating-point value. Places the results in the destination register. Restrictions There are no restrictions. Condition flags These instructions do not change the flags. 3.10.13 VMOV immediate Move floating-point immediate Syntax VMOV{cond}.F32 Sd, #imm where: • ‘cond’ is an optional condition code, see Conditional execution on page 64. • ‘Sd’ is the branch destination • ‘imm’ is a floating-point constant. Operation This instruction copies a constant value to a floating-point register. Restrictions There are no restrictions. Condition flags These instructions do not change the flags. |
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