Opcode PSUBSIW
CPU: Cyrix with Extended MMX Instruction Set
Type of Instruction: User
Instruction: PSUBSIW dest, src
Description:
mmi[15..0] <- SaturateToSignedWord(dest[15..0] - src[15..0]);
mmi[31..16] <- SaturateToSignedWord(dest[31..16] - src[31..16]);
mmi[47..32] <- SaturateToSignedWord(dest[47..32] - src[47..32]);
mmi[63..48] <- SaturateToSignedWord(dest[63..48] - src[63..48]);
Note: mmi is implied MMX register.
Flags Affected: None
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COP & Times:
PSUBSIW mm,mm/m64 0FH 55H PostByte
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