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pan/bi: Add bi_schedule_barrier helper 

Copypaste from Midgard.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4097>
This commit is contained in:
Alyssa Rosenzweig 2020-03-06 09:26:20 -05:00 committed by Marge Bot
parent 92a4f26e7f
commit 79c1af0623
1 changed files with 13 additions and 0 deletions
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13
src/panfrost/bifrost/bifrost_compile.c
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@ -39,6 +39,7 @@
static bi_block *emit_cf_list(bi_context *ctx, struct exec_list *list);
static bi_instruction *bi_emit_branch(bi_context *ctx);
static void bi_block_add_successor(bi_block *block, bi_block *successor);
static void bi_schedule_barrier(bi_context *ctx);
static void
emit_jump(bi_context *ctx, nir_jump_instr *instr)
@ -180,6 +181,18 @@ bi_block_add_successor(bi_block *block, bi_block *successor)
unreachable("Too many successors");
}
static void
bi_schedule_barrier(bi_context *ctx)
{
bi_block *temp = ctx->after_block;
ctx->after_block = create_empty_block(ctx);
list_addtail(&ctx->after_block->link, &ctx->blocks);
list_inithead(&ctx->after_block->instructions);
bi_block_add_successor(ctx->current_block, ctx->after_block);
ctx->current_block = ctx->after_block;
ctx->after_block = temp;
}
static bi_block *
emit_block(bi_context *ctx, nir_block *block)
{