aco: fix read_invocation with VGPR lane index
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Fixes: 93c8ebfa ('aco: Initial commit of independent AMD compiler')
diff --git a/src/amd/compiler/aco_instruction_selection.cpp b/src/amd/compiler/aco_instruction_selection.cpp
index f616da9..cdedb51 100644
--- a/src/amd/compiler/aco_instruction_selection.cpp
+++ b/src/amd/compiler/aco_instruction_selection.cpp
@@ -5626,9 +5626,8 @@
}
case nir_intrinsic_read_invocation: {
Temp src = get_ssa_temp(ctx, instr->src[0].ssa);
- Temp lane = get_ssa_temp(ctx, instr->src[1].ssa);
+ Temp lane = bld.as_uniform(get_ssa_temp(ctx, instr->src[1].ssa));
Temp dst = get_ssa_temp(ctx, &instr->dest.ssa);
- assert(lane.regClass() == s1);
if (src.regClass() == v1) {
emit_wqm(ctx, bld.vop3(aco_opcode::v_readlane_b32, bld.def(s1), src, lane), dst);
} else if (src.regClass() == v2) {