KonstantinSeurer
/
mesa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

pan/bi: Scalarize copyprop 

Reduces memory footprint.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16585>
This commit is contained in:
Alyssa Rosenzweig 2022-05-11 12:26:42 -04:00 committed by Marge Bot
parent c6349278f9
commit f0184cf218
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/panfrost/bifrost/bi_opt_copy_prop.c
View File

@ -48,7 +48,7 @@ bi_reads_fau(bi_instr *ins)
void
bi_opt_copy_prop(bi_context *ctx)
{
bi_index *replacement = calloc(sizeof(bi_index), ((ctx->ssa_alloc + 1) << 2));
bi_index *replacement = calloc(sizeof(bi_index), ctx->ssa_alloc);
bi_foreach_instr_global_safe(ctx, ins) {
if (bi_is_copy(ins)) {
@ -57,13 +57,13 @@ bi_opt_copy_prop(bi_context *ctx)
/* Peek through one layer so copyprop converges in one
* iteration for chained moves */
if (bi_is_ssa(replace)) {
bi_index chained = replacement[bi_word_node(replace)];
bi_index chained = replacement[replace.value];
if (!bi_is_null(chained))
replace = chained;
}
replacement[bi_word_node(ins->dest[0])] = replace;
replacement[ins->dest[0].value] = replace;
}
bi_foreach_src(ins, s) {
@ -72,7 +72,7 @@ bi_opt_copy_prop(bi_context *ctx)
if (use.type != BI_INDEX_NORMAL || use.reg) continue;
if (bi_is_staging_src(ins, s)) continue;
bi_index repl = replacement[bi_word_node(use)];
bi_index repl = replacement[use.value];
if (repl.type == BI_INDEX_CONSTANT && bi_reads_fau(ins))
continue;