From f21248c3c2256cc4567906f879858dbd6022b8fc Mon Sep 17 00:00:00 2001 From: Alyssa Rosenzweig Date: Tue, 4 May 2021 12:01:06 -0400 Subject: [PATCH] pan/bi: Don't swizzle scalars Pointless, already replicated. Signed-off-by: Alyssa Rosenzweig Part-of: --- src/panfrost/bifrost/bi_lower_swizzle.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/panfrost/bifrost/bi_lower_swizzle.c b/src/panfrost/bifrost/bi_lower_swizzle.c index bec9b93aded..bae7739660d 100644 --- a/src/panfrost/bifrost/bi_lower_swizzle.c +++ b/src/panfrost/bifrost/bi_lower_swizzle.c @@ -74,6 +74,11 @@ bi_lower_swizzle_16(bi_context *ctx, bi_instr *ins, unsigned src) if (ins->src[src].swizzle == BI_SWIZZLE_H01) return; + /* If the instruction is scalar we can ignore the other component */ + if (ins->dest[0].swizzle == BI_SWIZZLE_H00 && + ins->src[src].swizzle == BI_SWIZZLE_H00) + return; + /* Lower it away */ bi_builder b = bi_init_builder(ctx, bi_before_instr(ins)); ins->src[src] = bi_replace_index(ins->src[src],