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aco: use p_as_uniform for get_sampler_desc and convert_pointer_to_64_bit

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Since value-numbering no longer works across loops, we no longer need to
use v_readfirstlane_b32.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9288>
This commit is contained in:
Rhys Perry 2021-02-26 09:45:07 +00:00
parent 5f1b354472
commit c3af0c2079
1 changed files with 4 additions and 8 deletions
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12
src/amd/compiler/aco_instruction_selection.cpp
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@ -736,10 +736,8 @@ Temp convert_pointer_to_64_bit(isel_context *ctx, Temp ptr, bool non_uniform=fal
if (ptr.size() == 2)
return ptr;
Builder bld(ctx->program, ctx->block);
if (ptr.type() == RegType::vgpr && !non_uniform) {
ptr = bld.vop1(aco_opcode::v_readfirstlane_b32, bld.def(s1), ptr);
ptr = emit_wqm(bld, ptr);
}
if (ptr.type() == RegType::vgpr && !non_uniform)
ptr = bld.as_uniform(ptr);
return bld.pseudo(aco_opcode::p_create_vector, bld.def(RegClass(ptr.type(), 2)),
ptr, Operand((unsigned)ctx->options->address32_hi));
}
@ -5698,10 +5696,8 @@ Temp get_sampler_desc(isel_context *ctx, nir_deref_instr *deref_instr,
constant_index += array_size * const_value->u32;
} else {
Temp indirect = get_ssa_temp(ctx, deref_instr->arr.index.ssa);
if (indirect.type() == RegType::vgpr) {
indirect = bld.vop1(aco_opcode::v_readfirstlane_b32, bld.def(s1), indirect);
indirect = emit_wqm(bld, indirect);
}
if (indirect.type() == RegType::vgpr)
indirect = bld.as_uniform(indirect);
if (array_size != 1)
indirect = bld.sop2(aco_opcode::s_mul_i32, bld.def(s1), Operand(array_size), indirect);