Red Hat ENTERPRISE LINUX 3 - USING GCC Using Instructions page 178

172
I
Signed 13-bit constant
J
Zero
K
32-bit constant with the low 12 bits clear (a constant that can be loaded with the
instruction)
L
A constant in the range supported by
M
A constant in the range supported by
N
Same as , except that it verifies that bits that are not in the lower 32-bit range are all zero.
K
Must be used instead of
O
The constant 4096
G
Floating-point zero
H
Signed 13-bit constant, sign-extended to 32 or 64 bits
Q
Floating-point constant whose integral representation can be moved into an integer register
using a single sethi instruction
R
Floating-point constant whose integral representation can be moved into an integer register
using a single mov instruction
S
Floating-point constant whose integral representation can be moved into an integer register
using a high/lo_sum instruction sequence
T
Memory address aligned to an 8-byte boundary
U
Even register
W
Memory address for
Chapter 6. Extensions to the C Language Family
movcc
movrcc
for modes wider than
K
constraint registers.
e
instructions
instructions
SImode
sethi