Mesa (master): aco: fix regclass checks when fixing to vcc/exec with Builder

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Module: Mesa
Branch: master
Commit: fc9f502a5bd853128a9c2932c793180035883efc
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=fc9f502a5bd853128a9c2932c793180035883efc

Author: Rhys Perry <pendingchaos02 at gmail.com>
Date:   Tue Aug 25 21:19:11 2020 +0100

aco: fix regclass checks when fixing to vcc/exec with Builder

Signed-off-by: Rhys Perry <pendingchaos02 at gmail.com>
Reviewed-by: Daniel Schürmann <daniel at schuermann.dev>
Cc: 20.2 <mesa-stable>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6212>

---

 src/amd/compiler/aco_builder_h.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/amd/compiler/aco_builder_h.py b/src/amd/compiler/aco_builder_h.py
index fb28181a9b4..8d541cbd72f 100644
--- a/src/amd/compiler/aco_builder_h.py
+++ b/src/amd/compiler/aco_builder_h.py
@@ -317,7 +317,8 @@ public:
 % for fixed in ['m0', 'vcc', 'exec', 'scc']:
    Operand ${fixed}(Temp tmp) {
        % if fixed == 'vcc' or fixed == 'exec':
-          assert(tmp.regClass() == lm);
+          //vcc_hi and exec_hi can still be used in wave32
+          assert(tmp.type() == RegType::sgpr && tmp.bytes() <= 8);
        % endif
        Operand op(tmp);
        op.setFixed(aco::${fixed});
@@ -326,7 +327,8 @@ public:
 
    Definition ${fixed}(Definition def) {
        % if fixed == 'vcc' or fixed == 'exec':
-          assert(def.regClass() == lm);
+          //vcc_hi and exec_hi can still be used in wave32
+          assert(def.regClass().type() == RegType::sgpr && def.bytes() <= 8);
        % endif
        def.setFixed(aco::${fixed});
        return def;
@@ -334,7 +336,8 @@ public:
 
    Definition hint_${fixed}(Definition def) {
        % if fixed == 'vcc' or fixed == 'exec':
-          assert(def.regClass() == lm);
+          //vcc_hi and exec_hi can still be used in wave32
+          assert(def.regClass().type() == RegType::sgpr && def.bytes() <= 8);
        % endif
        def.setHint(aco::${fixed});
        return def;