From 49c66a5c44e7b87f8a9e41bca740ed20ee45a9d1 Mon Sep 17 00:00:00 2001
From: Simon Perretta <simon.perretta@imgtec.com>
Date: Wed, 20 May 2026 07:53:43 +0100
Subject: [PATCH] pco: add mappings for setl, savl ops

Ops to set/read the link register.

Signed-off-by: Simon Perretta <simon.perretta@imgtec.com>
Acked-by: Frank Binns <frank.binns@imgtec.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41833>
---
 src/imagination/pco/pco_map.py | 42 ++++++++++++++++++++++++++++++++++
 src/imagination/pco/pco_ops.py |  4 ++++
 2 files changed, 46 insertions(+)

diff --git a/src/imagination/pco/pco_map.py b/src/imagination/pco/pco_map.py
index 5320042eea1..1c71f6ebfaa 100644
--- a/src/imagination/pco/pco_map.py
+++ b/src/imagination/pco/pco_map.py
@@ -1550,6 +1550,11 @@ encode_map(O_EMITPIX,
    op_ref_maps=[('backend', [], ['s0', 's2'])]
 )
 
+encode_map(O_SETL,
+   encodings=[(I_SETL, [('ressel', 'w0')])],
+   op_ref_maps=[('backend', [], ['w0'])]
+)
+
 encode_map(O_BBYP0BM,
    encodings=[
       (I_PHASE0_SRC, [
@@ -1822,6 +1827,11 @@ encode_map(O_MUTEX,
    op_ref_maps=[('ctrl', [], ['imm'])]
 )
 
+encode_map(O_SAVL,
+   encodings=[(I_SAVL, [])],
+   op_ref_maps=[('ctrl', ['w0'], [])]
+)
+
 # Group mappings.
 group_map(O_FADD,
    hdr=(I_IGRP_HDR_MAIN, [
@@ -3386,6 +3396,25 @@ group_map(O_EMITPIX,
    ]
 )
 
+group_map(O_SETL,
+   hdr=(I_IGRP_HDR_MAIN, [
+      ('oporg', 'be'),
+      ('olchk', False),
+      ('w1p', False),
+      ('w0p', False),
+      ('cc', OM_EXEC_CND),
+      ('end', False),
+      ('atom', False),
+      ('rpt', 1)
+   ]),
+   enc_ops=[('backend', O_SETL)],
+   srcs=[('s[2]', ('backend', SRC(0)), 'w0')],
+   iss=[
+      ('is[0]', 's2'),
+      ('is[4]', 'fte')
+   ]
+)
+
 group_map(O_MOVI32,
    hdr=(I_IGRP_HDR_BITWISE, [
       ('opcnt', 'p0'),
@@ -3793,3 +3822,16 @@ group_map(O_MUTEX,
    ]),
    enc_ops=[('ctrl', O_MUTEX)]
 )
+
+group_map(O_SAVL,
+   hdr=(I_IGRP_HDR_CONTROL, [
+      ('olchk', False),
+      ('w1p', False),
+      ('w0p', True),
+      ('cc', OM_EXEC_CND),
+      ('miscctl', False),
+      ('ctrlop', 'savl')
+   ]),
+   enc_ops=[('ctrl', O_SAVL)],
+   dests=[('w[0]', ('ctrl', DEST(0)), 'w0')]
+)
diff --git a/src/imagination/pco/pco_ops.py b/src/imagination/pco/pco_ops.py
index d5fb7ed649d..143abfce686 100644
--- a/src/imagination/pco/pco_ops.py
+++ b/src/imagination/pco/pco_ops.py
@@ -429,6 +429,8 @@ O_SAVMSK = hw_op('savmsk', OM_ALU_RPT1 + [OM_SAVMSK_MODE], 2)
 
 O_EMITPIX = hw_op('emitpix', OM_ALU_RPT1 + [OM_FREEP], 0, 2)
 
+O_SETL = hw_op('setl', [OM_EXEC_CND], 0, 1)
+
 ## Bitwise.
 O_MOVI32 = hw_op('movi32', OM_ALU, 1, 1)
 
@@ -474,6 +476,8 @@ O_BR_NEXT = hw_op('br.next', [OM_EXEC_CND])
 
 O_MUTEX = hw_op('mutex', [OM_MUTEX_OP], 0, 1)
 
+O_SAVL = hw_op('savl', [OM_EXEC_CND], 1, 0)
+
 # Combination (> 1 instructions per group).
 O_SCMP = hw_op('scmp', OM_ALU + [OM_TST_OP_MAIN], 1, 2, [], [[RM_ABS, RM_NEG], [RM_ABS, RM_NEG]])
 O_BCMP = hw_op('bcmp', OM_ALU + [OM_TST_OP_MAIN, OM_TST_TYPE_MAIN], 1, 2, [], [[RM_ABS, RM_NEG], [RM_ABS, RM_NEG]])