Compaq ECQD2KCTE Laptop User Manual


 
Index–4
Data stream considerations, A–4
Data structures, shared
, 5–6
Data types
byte
, 2–1
IEEE floating-point
, 2–6
longword
, 2–2
longword integer, 2–11
quadword
, 2–2
quadword integer
, 2–12
unsupported in hardware, 2–12
VAX floating-point
, 2–3
word
, 2–1
Denormal
, 4–64
Denormal operand exception disable
, 4–81
Denormal operand exception enable (DNOE)
FP_C quadword bit
, B–5
Denormal operand status (DNOS)
FP_C quadword bit
, B–5
Denormal operands to zero
, 4–81
Depends order (DP)
, 5–15
DIGITAL UNIX PALcode, instruction summary
,
C–16
Dirty zero
, 4–64
DIV operator
, 3–8
DIVF instruction
, 4–121
DIVG instruction
, 4–121
Division
integer
, A–10
performance impact of, A–10
Division by zero enable (DZEE)
FP_C quadword bit
, B–6
Division by zero status (DZES)
FP_C quadword bit
, B–5
DIVS instruction
, 4–122
DIVT instruction
, 4–122
DNOD bit. See Denormal operand exception disable
DNZ. See Denormal operands to zero
DP. See Depends order
DRAINA (PALcode) instruction
required
, 6–5
draina (PALcode) instruction
required
, 6–5
DYN bit. See Arithmetic traps, dynamic rounding
mode
DZE bit
See also Arithmetic traps, division by zero
DZED bit. See Trap disable bits, division by zero
E
ECB (Evict data cache block) instruction, 4–136
CFLUSH (PALcode) instruction with
, 4–138
EQV instruction
, 4–42
EXCB (exception barrier) instruction
, 4–138
with FPCR
, 4–84
Exception handlers
, B–3
TRAPB instruction with
, 4–144
Exceptions
F31 with
, 3–2
R31 with
, 3–1
EXTBL instruction
, 4–51
EXTLH instruction
, 4–51
EXTLL instruction
, 4–51
EXTQH instruction
, 4–51
EXTQL instruction
, 4–51
Extract byte instructions
, 4–51
EXTWH instruction
, 4–51
EXTWL instruction
, 4–51
F
F_floating data type, 2–3
alignment of
, 2–4
compared to IEEE S_floating
, 2–8
MAX/MIN
, 4–65
FBEQ instruction
, 4–100
FBGE instruction
, 4–100
FBGT instruction
, 4–100
FBLE instruction
, 4–100
FBLT instruction
, 4–100
FBNE instruction
, 4–100
FCMOVEQ instruction
, 4–107
FCMOVGE instruction
, 4–107
FCMOVGT instruction
, 4–107
FCMOVLE instruction
, 4–107
FCMOVLT instruction
, 4–107
FCMOVNE instruction
, 4–107
FETCH (prefetch data) instruction
, 4–139
FETCH_M (prefetch data, modify intent) instruction
,
4–139
Finite number, Alpha, contrasted with VAX
, 4–63
Floating-point branch instructions
, 4–99
Floating-point control register (FPCR)
accessing
, 4–82