AE_L16.XP — Load a 16-bit value and replicates into the AE_DR register

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_L16.XP 1000000000001111 0010
ae_fld_ls_v 3210
s 3210
t 3210

Slot
ae_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_format - 64 bit(s) 1111
AE_L16.XP 01101101
ae_fld_ls_v 3210
s 3210
t 3210

Slot
ae_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_format1 - 64 bit(s)1 1110
AE_L16.XP 01101101
ae_fld_ls_v 3210
s 3210
t 3210

Assembler Syntax

AE_L16.XP aed0..15(ae_ls_v), a0..15(ars), a0..15(art)

C Syntax

#include <xtensa/tie/xt_hifi2.h>

extern void AE_L16_XP(ae_int16x4 d /*out*/, const ae_int16 * a /*inout*/, int off);

Description

AE_L16.XP is a 16-bit load from memory. into the AE_DR register. It forms a virtual address using the address register.

The load instruction reads 16 bits (2 bytes) from memory and replicates the data into each of the four parts of the AE_DR register d.

This instruction also post-increments the address register by the contents of the index register.

Implementation Pipeline

In Out
ars Estage, art Estage ae_ls_v Mstage, ars Estage

Protos that use AE_L16.XP

proto AE_L16.XP { out ae_int16x4 d, inout const ae_int16 * a, in int32 off }{}{
AE_L16.XP d, a, off;
}
proto ae_f16_loadxp { out ae_f16 d, inout const ae_f16 * a, in int32 off }{}{
AE_L16.XP d, a, off;
}
proto ae_int16_loadxp { out ae_int16 d, inout const ae_int16 * a, in int32 off }{}{
AE_L16.XP d, a, off;
}