Intel ITANIUM ARCHITECTURE - SOFTWARE DEVELOPERS MANUAL VOLUME 1 REV 2.3 Manual page 1216

Table 4-23.
Opcode
Bits 40:37
5
4.3.3.1 Test Bit
40
I16
Instruction
tbit.z
tbit.z.unc
tbit.z.and
tbit.nz.and
tbit.z.or
tbit.nz.or
tbit.z.or.andcm
tbit.nz.or.andcm
Volume 3: Instruction Formats
Test Bit Opcode Extensions
x
2
t t
a b
Bits
Bit 33 Bit 36
35:34
0
0
1
0
0
1
1
37 36 35 34 33 32 27 26
5 t x t p
b 2 a 2
4 1 2 1 6
Operands
p , p = r , pos
1 2 3 6
c y
Bit 12 Bit 13
0
0
1 tnat.z
0
1
1 tnat.z.unc
0
0
1 tnat.z.and
0
1
1 tnat.nz.and
0
0
1 tnat.z.or
0
1
1 tnat.nz.or
0
0
1 tnat.z.or.andcm
0
1
1 tnat.nz.or.andcm
20 19
r pos
3 6b
7 6
Opcode
x
2
5 0
x
Bit 19
0 1
tbit.z I16
I17 tf.z
tbit.z.unc I16
I17 tf.z.unc
tbit.z.and I16
I17 tf.z.and
tbit.nz.and I16
I17 tf.nz.and
tbit.z.or I16
I17 tf.z.or
tbit.nz.or I16
I17 tf.nz.or
tbit.z.or.andcm I16
I17 tf.z.or.andcm
tbit.nz.or.andcm I16
I17 tf.nz.or.andcm
14 13 12 11 6 5
y c p
1
1 1 6
Extension
t t y
a b
0
0
1
0
0
1
1
I30
I30
I30
I30
I30
I30
I30
I30
0
qp
6
c
0
1
0
1
0
1
0
1
3:317