AE_SRLI32 — 2-way shift right (logical zero-extending) by immediate

Instruction Word

Slot
ae2_slot0
6
3
6
2
6
1
6
0
5
9
5
8
5
7
5
6
5
5
5
4
5
3
5
2
5
1
5
0
4
9
4
8
4
7
4
6
4
5
4
4
4
3
4
2
4
1
4
0
3
9
3
8
3
7
3
6
3
5
3
4
3
3
3
2
3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
9876543210
Format ae_format2 - 64 bit(s)0000 1110
AE_SRLI32 1000000000001100 0 10
ae_fld_shift_d 3210
ae_fld_shift_d0 3210
ae_fld_osa32 43210

Slot
ae_slot2_0
6
3
6
2
6
1
6
0
5
9
5
8
5
7
5
6
5
5
5
4
5
3
5
2
5
1
5
0
4
9
4
8
4
7
4
6
4
5
4
4
4
3
4
2
4
1
4
0
3
9
3
8
3
7
3
6
3
5
3
4
3
3
3
2
3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
9876543210
Format ae_format - 64 bit(s) 1111
AE_SRLI320010010
ae_fld_shift_d 3210
ae_fld_shift_d0 3210
ae_fld_osa32 4 3210

Slot
Inst
6
3
6
2
6
1
6
0
5
9
5
8
5
7
5
6
5
5
5
4
5
3
5
2
5
1
5
0
4
9
4
8
4
7
4
6
4
5
4
4
4
3
4
2
4
1
4
0
3
9
3
8
3
7
3
6
3
5
3
4
3
3
3
2
3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
9876543210
Format x24 - 24 bit(s) 0
AE_SRLI32 1001001 0100
ae_fld_shift_d 3210
ae_fld_shift_d0 3210
ae_fld_osa32 4 3210

Assembler Syntax

AE_SRLI32 aed0..15(ae_shift_d), aed0..15(ae_shift_d0), 0..31

C Syntax

#include <xtensa/tie/xt_hifi2.h>

extern ae_int32x2 AE_SRLI32(ae_int32x2 d0, immediate sa);

Description

AE_SRLI32 is a two-way logical (zero-extending) right shift of AE_DR register d0 by immediate, with result placed in d.

d.L = d0.L >>u i

d.H = d0.H >>u i

Implementation Pipeline

In Out
ae_shift_d0 Mstage ae_shift_d Mstage

Protos that use AE_SRLI32

proto AE_SRLI32 { out ae_int32x2 d, in ae_int32x2 d0, in immediate sa }{}{
AE_SRLI32 d, d0, sa + 0;
}
proto AE_SRLI_32 { out ae_int32u a, in ae_int32u b, in immediate c }{}{
AE_SRLI32 a, b, c + 0;
}
proto ae_int16u_rtor_ae_int32 { out ae_int32 a, in ae_int16u b }{}{
AE_SRLI32 a, b, 16;
}
proto ae_int16u_rtor_ae_int32u { out ae_int32u a, in ae_int16u b }{}{
AE_SRLI32 a, b, 16;
}
proto ae_int16u_rtor_uint16 { out uint16 a, in ae_int16u d }{ae_int32 t, ae_int32 t2}{
AE_SLAI32 t, d, 16;
AE_SRLI32 t2, t, 16;
AE_MOVAD32.L a, t2;
}
proto uint32_rtor_ae_f24x2 { out ae_f24x2 d, in uint32 a }{ae_f32x2 t1, ae_f32x2 t2}{
AE_MOVDA32 t1, a;
AE_SLAI32 t2, t1, 8;
AE_SRLI32 d, t2, 8;
}
proto uint32_rtor_ae_int24x2 { out ae_int24x2 d, in uint32 a }{ae_int32x2 t1, ae_int32x2 t2}{
AE_MOVDA32 t1, a;
AE_SLAI32 t2, t1, 8;
AE_SRLI32 d, t2, 8;
}