From f97d9334263a4dd8878c4e259fb5afcdc1334904 Mon Sep 17 00:00:00 2001 From: Rhys Perry Date: Tue, 12 Nov 2019 15:28:52 +0000 Subject: [PATCH] aco: fix shuffle with uniform operands MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Rhys Perry Reviewed-by: Daniel Schürmann Fixes: 93c8ebfa ('aco: Initial commit of independent AMD compiler') --- src/amd/compiler/aco_instruction_selection.cpp | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/src/amd/compiler/aco_instruction_selection.cpp b/src/amd/compiler/aco_instruction_selection.cpp index 85057d35bf5..f616da9d88d 100644 --- a/src/amd/compiler/aco_instruction_selection.cpp +++ b/src/amd/compiler/aco_instruction_selection.cpp @@ -134,10 +134,7 @@ Temp emit_wqm(isel_context *ctx, Temp src, Temp dst=Temp(0, s1), bool program_ne if (!dst.id()) return src; - if (src.type() == RegType::vgpr || src.size() > 1) - bld.copy(Definition(dst), src); - else - bld.sop1(aco_opcode::s_mov_b32, Definition(dst), src); + bld.copy(Definition(dst), src); return dst; } @@ -148,6 +145,9 @@ Temp emit_wqm(isel_context *ctx, Temp src, Temp dst=Temp(0, s1), bool program_ne static Temp emit_bpermute(isel_context *ctx, Builder &bld, Temp index, Temp data) { + if (index.regClass() == s1) + return bld.vop3(aco_opcode::v_readlane_b32, bld.def(s1), data, index); + Temp index_x4 = bld.vop2(aco_opcode::v_lshlrev_b32, bld.def(v1), Operand(2u), index); /* Currently not implemented on GFX6-7 */ @@ -5557,11 +5557,11 @@ void visit_intrinsic(isel_context *ctx, nir_intrinsic_instr *instr) } case nir_intrinsic_shuffle: { Temp src = get_ssa_temp(ctx, instr->src[0].ssa); - if (!ctx->divergent_vals[instr->dest.ssa.index]) { + if (!ctx->divergent_vals[instr->dest.ssa.index] && + !ctx->divergent_vals[instr->src[0].ssa->index]) { emit_uniform_subgroup(ctx, instr, src); } else { Temp tid = get_ssa_temp(ctx, instr->src[1].ssa); - assert(tid.regClass() == v1); Temp dst = get_ssa_temp(ctx, &instr->dest.ssa); if (src.regClass() == v1) { emit_wqm(ctx, emit_bpermute(ctx, bld, tid, src), dst); -- 2.30.2