Opcode PF2IW
CPU: 3DNow! extension (Athlon CPU)
Type of Instruction: User
Instruction: PF2IW dest,src
Description:
if (src[31:0] >= 2^15) dest[31:0] = 00007fffh;
elseif (src[31:0] <= -2^15) dest[31:0] = ffff8000h;
else dest[31:0] <- int(src[31:0]);
if (src[63:32] >= 2^15) dest[63:32] = 00007fffh;
elseif (src[63:32] <= -2^15) dest[63:32] = ffff8000h;
else dest[63:32] <- int(src[63:32]);
Note:
Flags Affected: None
++++++++++++++++++++++++++++++++++
COP & Times:
PF2IW mm,mm/m64 0F 0F 1C Postbyte
Copyright by InternetNightmare 2005-2006