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S3C4530A Datasheet(PDF) 69 Page - Samsung semiconductor |
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S3C4530A Datasheet(HTML) 69 Page - Samsung semiconductor |
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S3C4530A INSTRUCTION SET 3-27 ASSEMBLER SYNTAX Table 3-5. Assembler Syntax Descriptions Mnemonic Description Purpose UMULL{cond}{S} RdLo, RdHi, Rm, Rs Unsigned multiply long 32 x 32 = 64 UMLAL{cond}{S} RdLo, RdHi, Rm, Rs Unsigned multiply & Accumulate long 32 x 32 + 64 = 64 SMULL{cond}{S} RdLo, RdHi, Rm, Rs Signed multiply long 32 x 32 = 64 SMLAL{cond}{S} RdLo, RdHi, Rm, Rs Signed multiply & Accumulate long 32 x 32 + 64 = 64 where: { cond} Two-character condition mnemonic. See Table 3-2. { S} Set condition codes if S present RdLo, RdHi, Rm, Rs Expressions evaluating to a register number other than R15. Examples UMULL R1, R4, R2, R3 ; R4, R1: = R2 * R3 UMLALS R1, R5, R2, R3 ; R5, R1: = R2 * R3 + R5, R1 also setting condition codes |
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