[Mesa-dev] [PATCH 2/2] nir: Stop using designated initializers
Connor Abbott
cwabbott0 at gmail.com
Wed Jan 21 12:19:16 PST 2015
Assuming this actually compiles with GCC 4.4...
Reviewed-by: Connor Abbott <cwabbott0 at gmail.com>
On Wed, Jan 21, 2015 at 2:14 PM, Jason Ekstrand <jason at jlekstrand.net> wrote:
> Designated initializers with anonymous unions don't work in MSVC or
> GCC < 4.6. With a couple of constructor methods, we don't need them any
> more and the code is actually cleaner.
>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88467
> ---
> src/glsl/nir/nir_from_ssa.c | 30 ++++++++----------------------
> src/glsl/nir/nir_lower_atomics.c | 8 +++-----
> src/glsl/nir/nir_lower_io.c | 9 ++-------
> src/glsl/nir/nir_lower_locals_to_regs.c | 9 ++-------
> src/glsl/nir/nir_lower_system_values.c | 8 +++-----
> src/glsl/nir/nir_lower_vars_to_ssa.c | 16 ++++------------
> src/glsl/nir/nir_opt_constant_folding.c | 16 ++++------------
> src/glsl/nir/nir_opt_cse.c | 16 ++++++----------
> src/glsl/nir/nir_opt_peephole_select.c | 8 +++-----
> src/glsl/nir/nir_search.c | 8 ++------
> 10 files changed, 37 insertions(+), 91 deletions(-)
>
> diff --git a/src/glsl/nir/nir_from_ssa.c b/src/glsl/nir/nir_from_ssa.c
> index 9728b99..8b8f0f5 100644
> --- a/src/glsl/nir/nir_from_ssa.c
> +++ b/src/glsl/nir/nir_from_ssa.c
> @@ -382,12 +382,9 @@ isolate_phi_nodes_block(nir_block *block, void *void_state)
> entry->dest.is_ssa = true;
> nir_ssa_def_init(&block_pcopy->instr, &entry->dest.ssa,
> phi->dest.ssa.num_components, phi->dest.ssa.name);
> -
> - nir_src entry_dest_src = {
> - .ssa = &entry->dest.ssa,
> - .is_ssa = true,
> - };
> - nir_ssa_def_rewrite_uses(&phi->dest.ssa, entry_dest_src, state->mem_ctx);
> + nir_ssa_def_rewrite_uses(&phi->dest.ssa,
> + nir_src_for_ssa(&entry->dest.ssa),
> + state->mem_ctx);
>
> entry->src.is_ssa = true;
> entry->src.ssa = &phi->dest.ssa;
> @@ -620,22 +617,16 @@ emit_copy(nir_parallel_copy_instr *pcopy, nir_src src, nir_src dest_src,
> assert(!dest_src.is_ssa &&
> dest_src.reg.indirect == NULL &&
> dest_src.reg.base_offset == 0);
> - nir_dest dest = {
> - .reg.reg = dest_src.reg.reg,
> - .reg.indirect = NULL,
> - .reg.base_offset = 0,
> - .is_ssa = false,
> - };
>
> if (src.is_ssa)
> - assert(src.ssa->num_components >= dest.reg.reg->num_components);
> + assert(src.ssa->num_components >= dest_src.reg.reg->num_components);
> else
> - assert(src.reg.reg->num_components >= dest.reg.reg->num_components);
> + assert(src.reg.reg->num_components >= dest_src.reg.reg->num_components);
>
> nir_alu_instr *mov = nir_alu_instr_create(mem_ctx, nir_op_imov);
> mov->src[0].src = nir_src_copy(src, mem_ctx);
> - mov->dest.dest = nir_dest_copy(dest, mem_ctx);
> - mov->dest.write_mask = (1 << dest.reg.reg->num_components) - 1;
> + mov->dest.dest = nir_dest_for_reg(dest_src.reg.reg);
> + mov->dest.write_mask = (1 << dest_src.reg.reg->num_components) - 1;
>
> nir_instr_insert_before(&pcopy->instr, &mov->instr);
> }
> @@ -720,12 +711,7 @@ resolve_parallel_copy(nir_parallel_copy_instr *pcopy,
> values[src_idx] = entry->src;
> }
>
> - nir_src dest_src = {
> - .reg.reg = entry->dest.reg.reg,
> - .reg.indirect = NULL,
> - .reg.base_offset = 0,
> - .is_ssa = false,
> - };
> + nir_src dest_src = nir_src_for_reg(entry->dest.reg.reg);
>
> int dest_idx = -1;
> for (int i = 0; i < num_vals; ++i) {
> diff --git a/src/glsl/nir/nir_lower_atomics.c b/src/glsl/nir/nir_lower_atomics.c
> index 874c534..c45b397 100644
> --- a/src/glsl/nir/nir_lower_atomics.c
> +++ b/src/glsl/nir/nir_lower_atomics.c
> @@ -115,11 +115,9 @@ lower_instr(nir_intrinsic_instr *instr, nir_function_impl *impl)
> new_instr->dest.is_ssa = true;
> nir_ssa_def_init(&new_instr->instr, &new_instr->dest.ssa,
> instr->dest.ssa.num_components, NULL);
> - nir_src new_dest_src = {
> - .is_ssa = true,
> - .ssa = &new_instr->dest.ssa,
> - };
> - nir_ssa_def_rewrite_uses(&instr->dest.ssa, new_dest_src, mem_ctx);
> + nir_ssa_def_rewrite_uses(&instr->dest.ssa,
> + nir_src_for_ssa(&new_instr->dest.ssa),
> + mem_ctx);
> } else {
> new_instr->dest = nir_dest_copy(instr->dest, mem_ctx);
> }
> diff --git a/src/glsl/nir/nir_lower_io.c b/src/glsl/nir/nir_lower_io.c
> index af87c13..c35058c 100644
> --- a/src/glsl/nir/nir_lower_io.c
> +++ b/src/glsl/nir/nir_lower_io.c
> @@ -238,13 +238,8 @@ nir_lower_io_block(nir_block *block, void *void_state)
> load->dest.is_ssa = true;
> nir_ssa_def_init(&load->instr, &load->dest.ssa,
> intrin->num_components, NULL);
> -
> - nir_src new_src = {
> - .is_ssa = true,
> - .ssa = &load->dest.ssa,
> - };
> -
> - nir_ssa_def_rewrite_uses(&intrin->dest.ssa, new_src,
> + nir_ssa_def_rewrite_uses(&intrin->dest.ssa,
> + nir_src_for_ssa(&load->dest.ssa),
> state->mem_ctx);
> } else {
> load->dest = nir_dest_copy(intrin->dest, state->mem_ctx);
> diff --git a/src/glsl/nir/nir_lower_locals_to_regs.c b/src/glsl/nir/nir_lower_locals_to_regs.c
> index b187541..f50533f 100644
> --- a/src/glsl/nir/nir_lower_locals_to_regs.c
> +++ b/src/glsl/nir/nir_lower_locals_to_regs.c
> @@ -215,13 +215,8 @@ lower_locals_to_regs_block(nir_block *block, void *void_state)
> mov->dest.dest.is_ssa = true;
> nir_ssa_def_init(&mov->instr, &mov->dest.dest.ssa,
> intrin->num_components, NULL);
> -
> - nir_src new_src = {
> - .is_ssa = true,
> - .ssa = &mov->dest.dest.ssa,
> - };
> -
> - nir_ssa_def_rewrite_uses(&intrin->dest.ssa, new_src,
> + nir_ssa_def_rewrite_uses(&intrin->dest.ssa,
> + nir_src_for_ssa(&mov->dest.dest.ssa),
> state->mem_ctx);
> } else {
> mov->dest.dest = nir_dest_copy(intrin->dest, state->mem_ctx);
> diff --git a/src/glsl/nir/nir_lower_system_values.c b/src/glsl/nir/nir_lower_system_values.c
> index d1b4d26..f681a6c 100644
> --- a/src/glsl/nir/nir_lower_system_values.c
> +++ b/src/glsl/nir/nir_lower_system_values.c
> @@ -74,11 +74,9 @@ convert_instr(nir_intrinsic_instr *instr)
> new_instr->dest.is_ssa = true;
> nir_ssa_def_init(&new_instr->instr, &new_instr->dest.ssa,
> instr->dest.ssa.num_components, NULL);
> - nir_src new_dest_src = {
> - .is_ssa = true,
> - .ssa = &new_instr->dest.ssa,
> - };
> - nir_ssa_def_rewrite_uses(&instr->dest.ssa, new_dest_src, mem_ctx);
> + nir_ssa_def_rewrite_uses(&instr->dest.ssa,
> + nir_src_for_ssa(&new_instr->dest.ssa),
> + mem_ctx);
> } else {
> new_instr->dest = nir_dest_copy(instr->dest, mem_ctx);
> }
> diff --git a/src/glsl/nir/nir_lower_vars_to_ssa.c b/src/glsl/nir/nir_lower_vars_to_ssa.c
> index 4df9bdd..061dbce 100644
> --- a/src/glsl/nir/nir_lower_vars_to_ssa.c
> +++ b/src/glsl/nir/nir_lower_vars_to_ssa.c
> @@ -765,12 +765,8 @@ rename_variables_block(nir_block *block, struct lower_variables_state *state)
> nir_instr_insert_before(&intrin->instr, &undef->instr);
> nir_instr_remove(&intrin->instr);
>
> - nir_src new_src = {
> - .is_ssa = true,
> - .ssa = &undef->def,
> - };
> -
> - nir_ssa_def_rewrite_uses(&intrin->dest.ssa, new_src,
> + nir_ssa_def_rewrite_uses(&intrin->dest.ssa,
> + nir_src_for_ssa(&undef->def),
> state->mem_ctx);
> continue;
> }
> @@ -795,12 +791,8 @@ rename_variables_block(nir_block *block, struct lower_variables_state *state)
> nir_instr_insert_before(&intrin->instr, &mov->instr);
> nir_instr_remove(&intrin->instr);
>
> - nir_src new_src = {
> - .is_ssa = true,
> - .ssa = &mov->dest.dest.ssa,
> - };
> -
> - nir_ssa_def_rewrite_uses(&intrin->dest.ssa, new_src,
> + nir_ssa_def_rewrite_uses(&intrin->dest.ssa,
> + nir_src_for_ssa(&mov->dest.dest.ssa),
> state->mem_ctx);
> break;
> }
> diff --git a/src/glsl/nir/nir_opt_constant_folding.c b/src/glsl/nir/nir_opt_constant_folding.c
> index 6c02582..878436b 100644
> --- a/src/glsl/nir/nir_opt_constant_folding.c
> +++ b/src/glsl/nir/nir_opt_constant_folding.c
> @@ -216,12 +216,8 @@ constant_fold_alu_instr(nir_alu_instr *instr, void *mem_ctx)
>
> nir_instr_insert_before(&instr->instr, &dest->instr);
>
> - nir_src new_src = {
> - .is_ssa = true,
> - .ssa = &dest->def,
> - };
> -
> - nir_ssa_def_rewrite_uses(&instr->dest.dest.ssa, new_src, mem_ctx);
> + nir_ssa_def_rewrite_uses(&instr->dest.dest.ssa, nir_src_for_ssa(&dest->def),
> + mem_ctx);
>
> nir_instr_remove(&instr->instr);
> ralloc_free(instr);
> @@ -248,12 +244,8 @@ constant_fold_deref(nir_instr *instr, nir_deref_var *deref)
>
> arr->base_offset += indirect->value.u[0];
>
> - nir_src empty = {
> - .is_ssa = true,
> - .ssa = NULL,
> - };
> -
> - nir_instr_rewrite_src(instr, &arr->indirect, empty);
> + /* Clear out the source */
> + nir_instr_rewrite_src(instr, &arr->indirect, nir_src_for_ssa(NULL));
>
> arr->deref_array_type = nir_deref_array_type_direct;
>
> diff --git a/src/glsl/nir/nir_opt_cse.c b/src/glsl/nir/nir_opt_cse.c
> index 89d78c8..a33ebdd 100644
> --- a/src/glsl/nir/nir_opt_cse.c
> +++ b/src/glsl/nir/nir_opt_cse.c
> @@ -187,12 +187,10 @@ nir_opt_cse_instr(nir_instr *instr, struct cse_state *state)
> !exec_node_is_head_sentinel(node); node = node->prev) {
> nir_instr *other = exec_node_data(nir_instr, node, node);
> if (nir_instrs_equal(instr, other)) {
> - nir_src other_dest_src = {
> - .is_ssa = true,
> - .ssa = nir_instr_get_dest_ssa_def(other),
> - };
> + nir_ssa_def *other_def = nir_instr_get_dest_ssa_def(other);
> nir_ssa_def_rewrite_uses(nir_instr_get_dest_ssa_def(instr),
> - other_dest_src, state->mem_ctx);
> + nir_src_for_ssa(other_def),
> + state->mem_ctx);
> nir_instr_remove(instr);
> state->progress = true;
> return;
> @@ -203,12 +201,10 @@ nir_opt_cse_instr(nir_instr *instr, struct cse_state *state)
> block != NULL; block = block->imm_dom) {
> nir_foreach_instr_reverse(block, other) {
> if (nir_instrs_equal(instr, other)) {
> - nir_src other_dest_src = {
> - .is_ssa = true,
> - .ssa = nir_instr_get_dest_ssa_def(other),
> - };
> + nir_ssa_def *other_def = nir_instr_get_dest_ssa_def(other);
> nir_ssa_def_rewrite_uses(nir_instr_get_dest_ssa_def(instr),
> - other_dest_src, state->mem_ctx);
> + nir_src_for_ssa(other_def),
> + state->mem_ctx);
> nir_instr_remove(instr);
> state->progress = true;
> return;
> diff --git a/src/glsl/nir/nir_opt_peephole_select.c b/src/glsl/nir/nir_opt_peephole_select.c
> index 5d2f5d6..a0b19c2 100644
> --- a/src/glsl/nir/nir_opt_peephole_select.c
> +++ b/src/glsl/nir/nir_opt_peephole_select.c
> @@ -168,11 +168,9 @@ nir_opt_peephole_select_block(nir_block *block, void *void_state)
> phi->dest.ssa.num_components, phi->dest.ssa.name);
> sel->dest.write_mask = (1 << phi->dest.ssa.num_components) - 1;
>
> - nir_src sel_dest_src = {
> - .is_ssa = true,
> - .ssa = &sel->dest.dest.ssa,
> - };
> - nir_ssa_def_rewrite_uses(&phi->dest.ssa, sel_dest_src, state->mem_ctx);
> + nir_ssa_def_rewrite_uses(&phi->dest.ssa,
> + nir_src_for_ssa(&sel->dest.dest.ssa),
> + state->mem_ctx);
>
> nir_instr_insert_before(&phi->instr, &sel->instr);
> nir_instr_remove(&phi->instr);
> diff --git a/src/glsl/nir/nir_search.c b/src/glsl/nir/nir_search.c
> index 35323f9..a7bd051 100644
> --- a/src/glsl/nir/nir_search.c
> +++ b/src/glsl/nir/nir_search.c
> @@ -314,12 +314,8 @@ nir_replace_instr(nir_alu_instr *instr, const nir_search_expression *search,
> &instr->instr, mem_ctx);
> nir_instr_insert_before(&instr->instr, &mov->instr);
>
> - nir_src replace_src = {
> - .is_ssa = true,
> - .ssa = &mov->dest.dest.ssa,
> - };
> -
> - nir_ssa_def_rewrite_uses(&instr->dest.dest.ssa, replace_src, mem_ctx);
> + nir_ssa_def_rewrite_uses(&instr->dest.dest.ssa,
> + nir_src_for_ssa(&mov->dest.dest.ssa), mem_ctx);
>
> /* We know this one has no more uses because we just rewrote them all,
> * so we can remove it. The rest of the matched expression, however, we
> --
> 2.2.1
>
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