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Code Issues 9 Packages Projects Releases Wiki Activity

agx: Stub control flow walking 

From Bifrost. We'll need to diverge (no pun intended) due to exec_mask
handling specific to Apple.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Acked-by: Jason Ekstrand <jason@jlekstrand.net>
Acked-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10582>
This commit is contained in:
Alyssa Rosenzweig 2021-04-11 10:57:55 -04:00 committed by Alyssa Rosenzweig
parent 8b8c1a2827
commit 186c56a2d4
1 changed files with 65 additions and 2 deletions
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67
src/asahi/compiler/agx_compile.c
View File

@ -48,12 +48,75 @@ int agx_debug = 0;
fprintf(stderr, "%s:%d: "fmt, \
__FUNCTION__, __LINE__, ##__VA_ARGS__); } while (0)
static agx_block *
agx_create_block(agx_context *ctx)
{
agx_block *blk = rzalloc(ctx, agx_block);
blk->predecessors = _mesa_set_create(blk,
_mesa_hash_pointer, _mesa_key_pointer_equal);
return blk;
}
static agx_block *
emit_block(agx_context *ctx, nir_block *block)
{
agx_block *blk = agx_create_block(ctx);
list_addtail(&blk->link, &ctx->blocks);
list_inithead(&blk->instructions);
agx_builder _b = agx_init_builder(ctx, agx_after_block(blk));
nir_foreach_instr(instr, block) {
/* stub */
}
return blk;
}
static void
emit_if(agx_context *ctx, nir_if *nif)
{
unreachable("if-statements todo");
}
static void
emit_loop(agx_context *ctx, nir_loop *nloop)
{
unreachable("loops todo");
}
static agx_block *
emit_cf_list(agx_context *ctx, struct exec_list *list)
{
/* stub */
return NULL;
agx_block *start_block = NULL;
foreach_list_typed(nir_cf_node, node, node, list) {
switch (node->type) {
case nir_cf_node_block: {
agx_block *block = emit_block(ctx, nir_cf_node_as_block(node));
if (!start_block)
start_block = block;
break;
}
case nir_cf_node_if:
emit_if(ctx, nir_cf_node_as_if(node));
break;
case nir_cf_node_loop:
emit_loop(ctx, nir_cf_node_as_loop(node));
break;
default:
unreachable("Unknown control flow");
}
}
return start_block;
}
static void