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authorAlyssa Rosenzweig <[email protected]>2019-07-02 06:05:18 -0700
committerAlyssa Rosenzweig <[email protected]>2019-07-10 06:12:05 -0700
commit0cfa54801e6beac8bd1f1e7152cc02af6a636ea0 (patch)
tree1269898aa634014a1f47fee45bb2e7c66d9c2c28 /src
parentb113be7683afec96426575496d76ae3beb03a5e1 (diff)
panfrost/midgard: Remove opt_copy_prop_tex
Eventually this should be replaced by proper tex RA / not emitting so many silly moves to begin with / better general copy prop. For now remove it since it breaks things. Signed-off-by: Alyssa Rosenzweig <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/panfrost/midgard/midgard_compile.c50
1 files changed, 0 insertions, 50 deletions
diff --git a/src/gallium/drivers/panfrost/midgard/midgard_compile.c b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
index b7498d43501..34b0678cf98 100644
--- a/src/gallium/drivers/panfrost/midgard/midgard_compile.c
+++ b/src/gallium/drivers/panfrost/midgard/midgard_compile.c
@@ -2225,55 +2225,6 @@ midgard_opt_pos_propagate(compiler_context *ctx, midgard_block *block)
return progress;
}
-static bool
-midgard_opt_copy_prop_tex(compiler_context *ctx, midgard_block *block)
-{
- bool progress = false;
-
- mir_foreach_instr_in_block_safe(block, ins) {
- if (ins->type != TAG_ALU_4) continue;
- if (!OP_IS_MOVE(ins->alu.op)) continue;
-
- unsigned from = ins->ssa_args.src1;
- unsigned to = ins->ssa_args.dest;
-
- /* Make sure it's simple enough for us to handle */
-
- if (from >= SSA_FIXED_MINIMUM) continue;
- if (from >= ctx->func->impl->ssa_alloc) continue;
- if (to < SSA_FIXED_REGISTER(REGISTER_TEXTURE_BASE)) continue;
- if (to > SSA_FIXED_REGISTER(REGISTER_TEXTURE_BASE + 1)) continue;
-
- bool eliminated = false;
-
- mir_foreach_instr_in_block_from_rev(block, v, mir_prev_op(ins)) {
- /* The texture registers are not SSA so be careful.
- * Conservatively, just stop if we hit a texture op
- * (even if it may not write) to where we are */
-
- if (v->type != TAG_ALU_4)
- break;
-
- if (v->ssa_args.dest == from) {
- /* We don't want to track partial writes ... */
- if (v->mask == 0xF) {
- v->ssa_args.dest = to;
- eliminated = true;
- }
-
- break;
- }
- }
-
- if (eliminated)
- mir_remove_instruction(ins);
-
- progress |= eliminated;
- }
-
- return progress;
-}
-
/* The following passes reorder MIR instructions to enable better scheduling */
static void
@@ -2699,7 +2650,6 @@ midgard_compile_shader_nir(nir_shader *nir, midgard_program *program, bool is_bl
mir_foreach_block(ctx, block) {
progress |= midgard_opt_pos_propagate(ctx, block);
progress |= midgard_opt_copy_prop(ctx, block);
- progress |= midgard_opt_copy_prop_tex(ctx, block);
progress |= midgard_opt_dead_code_eliminate(ctx, block);
}
} while (progress);