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aco: fix 16-bit f2{u8,i8} on GFX6/7

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Not really tested.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Tony Wasserka <tony.wasserka@gmx.de>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10081>
This commit is contained in:
Rhys Perry 2021-04-07 18:14:36 +01:00 • committed by Marge Bot
parent d0e15b8c22
commit d8f12fd421
1 changed files with 4 additions and 2 deletions
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6
src/amd/compiler/aco_instruction_selection.cpp
View file

@ -2602,7 +2602,8 @@ void visit_alu_instr(isel_context *ctx, nir_alu_instr *instr)
Temp tmp = bld.tmp(v1);
emit_vop1_instruction(ctx, instr, aco_opcode::v_cvt_f32_f16, tmp);
tmp = bld.vop1(aco_opcode::v_cvt_i32_f32, bld.def(v1), tmp);
tmp = convert_int(ctx, bld, tmp, 32, 16, false, (dst.type() == RegType::sgpr) ? Temp() : dst);
tmp = convert_int(ctx, bld, tmp, 32, instr->dest.dest.ssa.bit_size, false,
(dst.type() == RegType::sgpr) ? Temp() : dst);
if (dst.type() == RegType::sgpr) {
bld.pseudo(aco_opcode::p_as_uniform, Definition(dst), tmp);
}
@ -2624,7 +2625,8 @@ void visit_alu_instr(isel_context *ctx, nir_alu_instr *instr)
Temp tmp = bld.tmp(v1);
emit_vop1_instruction(ctx, instr, aco_opcode::v_cvt_f32_f16, tmp);
tmp = bld.vop1(aco_opcode::v_cvt_u32_f32, bld.def(v1), tmp);
tmp = convert_int(ctx, bld, tmp, 32, 16, false, (dst.type() == RegType::sgpr) ? Temp() : dst);
tmp = convert_int(ctx, bld, tmp, 32, instr->dest.dest.ssa.bit_size, false,
(dst.type() == RegType::sgpr) ? Temp() : dst);
if (dst.type() == RegType::sgpr) {
bld.pseudo(aco_opcode::p_as_uniform, Definition(dst), tmp);
}