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pan/bi: Scalarize bi_lower_swizzle 

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 12:22:10 -04:00 committed by Marge Bot
parent 5b1c642cee
commit 187dd382cb
1 changed files with 4 additions and 4 deletions
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8
src/panfrost/bifrost/bi_lower_swizzle.c
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@ -223,7 +223,7 @@ bi_instr_replicates(bi_instr *I, BITSET_WORD *replicates_16)
/* Replicated values */
if (bi_is_ssa(I->src[s]) &&
BITSET_TEST(replicates_16, bi_word_node(I->src[s])))
BITSET_TEST(replicates_16, I->src[s].value))
continue;
/* Replicated constants */
@ -248,14 +248,14 @@ bi_lower_swizzle(bi_context *ctx)
}
/* Now that we've lowered swizzles, clean up the mess */
BITSET_WORD *replicates_16 = calloc(sizeof(bi_index), ((ctx->ssa_alloc + 1) << 2));
BITSET_WORD *replicates_16 = calloc(sizeof(bi_index), ctx->ssa_alloc);
bi_foreach_instr_global(ctx, ins) {
if (bi_is_ssa(ins->dest[0]) && bi_instr_replicates(ins, replicates_16))
BITSET_SET(replicates_16, bi_word_node(ins->dest[0]));
BITSET_SET(replicates_16, ins->dest[0].value);
if (ins->op == BI_OPCODE_SWZ_V2I16 && bi_is_ssa(ins->src[0]) &&
BITSET_TEST(replicates_16, bi_word_node(ins->src[0]))) {
BITSET_TEST(replicates_16, ins->src[0].value)) {
ins->op = BI_OPCODE_MOV_I32;
ins->src[0].swizzle = BI_SWIZZLE_H01;
}