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pan/midgard: Fix quadword_count handling

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Spilling can mess with this considerably.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
This commit is contained in:
Alyssa Rosenzweig 2019-11-04 10:32:49 -05:00
parent 0a77dd3203
commit 45ac8ea8bd
3 changed files with 8 additions and 4 deletions
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6
src/panfrost/midgard/midgard_compile.c
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@ -2359,10 +2359,10 @@ midgard_get_first_tag_from_block(compiler_context *ctx, unsigned block_idx)
unsigned first_tag = 0; unsigned first_tag = 0;
mir_foreach_block_from(ctx, initial_block, v) { mir_foreach_block_from(ctx, initial_block, v) {
midgard_bundle *initial_bundle = if (v->quadword_count) {
util_dynarray_element(&v->bundles, midgard_bundle, 0); midgard_bundle *initial_bundle =
util_dynarray_element(&v->bundles, midgard_bundle, 0);
if (initial_bundle) {
first_tag = initial_bundle->tag; first_tag = initial_bundle->tag;
break; break;
} }

4
src/panfrost/midgard/midgard_schedule.c
View file

@ -1072,7 +1072,9 @@ schedule_block(compiler_context *ctx, midgard_block *block)
/* Blend constant was backwards as well. blend_offset if set is /* Blend constant was backwards as well. blend_offset if set is
* strictly positive, as an offset of zero would imply constants before * strictly positive, as an offset of zero would imply constants before
* any instructions which is invalid in Midgard */ * any instructions which is invalid in Midgard. TODO: blend constants
* are broken if you spill since then quadword_count becomes invalid
* XXX */
if (blend_offset) if (blend_offset)
ctx->blend_constant_offset = ((ctx->quadword_count + block->quadword_count) - blend_offset - 1) * 0x10; ctx->blend_constant_offset = ((ctx->quadword_count + block->quadword_count) - blend_offset - 1) * 0x10;

2
src/panfrost/midgard/mir.c
View file

@ -547,6 +547,7 @@ mir_insert_instruction_before_scheduled(
memcpy(bundles + before, &new, sizeof(new)); memcpy(bundles + before, &new, sizeof(new));
list_addtail(&new.instructions[0]->link, &before_bundle->instructions[0]->link); list_addtail(&new.instructions[0]->link, &before_bundle->instructions[0]->link);
block->quadword_count += quadword_size(new.tag);
} }
void void
@ -571,6 +572,7 @@ mir_insert_instruction_after_scheduled(
midgard_bundle new = mir_bundle_for_op(ctx, ins); midgard_bundle new = mir_bundle_for_op(ctx, ins);
memcpy(bundles + after + 1, &new, sizeof(new)); memcpy(bundles + after + 1, &new, sizeof(new));
list_add(&new.instructions[0]->link, &after_bundle->instructions[after_bundle->instruction_count - 1]->link); list_add(&new.instructions[0]->link, &after_bundle->instructions[after_bundle->instruction_count - 1]->link);
block->quadword_count += quadword_size(new.tag);
} }
/* Flip the first-two arguments of a (binary) op. Currently ALU /* Flip the first-two arguments of a (binary) op. Currently ALU