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aco: implement 16-bit nir_op_bcsel 

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4452>
This commit is contained in:
Samuel Pitoiset 2020-04-03 15:12:12 +02:00
parent 0646562a17
commit 68339ff7a7
1 changed files with 8 additions and 2 deletions
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10
src/amd/compiler/aco_instruction_selection.cpp
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@ -738,12 +738,18 @@ void emit_bcsel(isel_context *ctx, nir_alu_instr *instr, Temp dst)
if (dst.type() == RegType::vgpr) {
aco_ptr<Instruction> bcsel;
if (dst.size() == 1) {
if (dst.regClass() == v2b) {
then = as_vgpr(ctx, then);
els = as_vgpr(ctx, els);
Temp tmp = bld.vop2(aco_opcode::v_cndmask_b32, bld.def(v1), els, then, cond);
bld.pseudo(aco_opcode::p_split_vector, Definition(dst), bld.def(v2b), tmp);
} else if (dst.regClass() == v1) {
then = as_vgpr(ctx, then);
els = as_vgpr(ctx, els);
bld.vop2(aco_opcode::v_cndmask_b32, Definition(dst), els, then, cond);
} else if (dst.size() == 2) {
} else if (dst.regClass() == v2) {
Temp then_lo = bld.tmp(v1), then_hi = bld.tmp(v1);
bld.pseudo(aco_opcode::p_split_vector, Definition(then_lo), Definition(then_hi), then);
Temp else_lo = bld.tmp(v1), else_hi = bld.tmp(v1);