Compaq ECQD2KCTE Laptop User Manual


 
Index–9
N
NaN (Not-a-Number)
conversion to integer
, 4–88
copying, generating, propograting, 4–89
defined
, 2–6
quiet
, 4–64
signaling, 4–64
NATURALLY ALIGNED data objects
, 1–8
Negate stylized code form
, A–13
Non-finite number
, 4–64
Nonmemory-like behavior
, 5–3
NOP, universal (UNOP)
, A–11
NOT instruction, ORNOT with zero
, 4–42
NOT operator
, 3–9
NOT stylized code form
, A–13
O
Opcode qualifiers
default values
, 4–3
notation, 4–3
See also specific qualifiers
Opcodes
common architecture
, C–1
DIGITAL UNIX PALcode
, C–16
in numerical order
, C–10
OpenVMS Alpha PALcode, C–14
PALcode in numerical order
, C–18
reserved
, C–21
summary, C–8
unused function codes for
, C–21
Windows NT Alpha PALcode
, C–17
See also Function codes
OpenVMS Alpha PALcode, instruction summary
,
C–14
Operand expressions
, 3–4
Operand notation
defined
, 3–4
Operand values
, 3–4
Operate instruction format
unused function codes with
, 3–13
Operate instructions
opcodes and format summarized
, C–1
Operate instructions, convert with integer overflow
,
4–78
Operators, instruction format
, 3–6
Optimization. See Performance optimizations
OR operator
, 3–9
ORNOT instruction
, 4–42
Overflow enable (OVFE)
FP_C quadword bit
, B–6
Overflow status (OVFS)
FP_C quadword bit
, B–5
Overlap
with location access constraints
, 5–14
with processor issue constraints
, 5–13
with visibility, 5–14
OVF bit
See also Arithmetic traps, overflow
OVFD bit. See Trap disable bits, overflow disable
P
Pack to bytes instructions, 4–155
PALcode
barriers with
, 5–22
CALL_PAL instruction
, 4–135
compared to hardware instructions, 6–1
implementation-specific
, 6–2
instead of microcode
, 6–1
instruction format, 3–14
overview
, 6–1
recognized instructions
, 6–4
replacing, 6–3
required
, 6–2
required instructions
, 6–5
running environment, 6–2
special functions function support
, 6–2
PALcode instructions
opcodes and format summarized
, C–1
required
, C–20
reserved, function codes for, C–20
PALcode instructions, required privileged
, 6–5
PALcode instructions, required unprivileged
, 6–5
PALcode opcodes in numerical order
, C–18
PALcode variation assignments
, D–2
PCC_CNT
, 3–3, 4–143
PCC_OFF
, 3–3, 4–143
Performance monitoring
, E–3, E–9, E–23
Performance optimizations
branch prediction
, A–2
code sequences
, A–9
data stream, A–4
for I-streams
, A–2
instruction alignment
, A–2
instruction scheduling, A–4
I-stream density
, A–4
shared data
, A–5
Performance tuning
IMPLVER instruction with
, 4–141
PERR (Pixel error) instruction
, 4–154
Physical address space
described
, 5–1
PHYSICAL_ADDRESS operator
, 3–9
Pipelined implementations, using EXCB instruction