From b89cb0dba6a6026c0fe9a36ccebce8e16913520a Mon Sep 17 00:00:00 2001 From: Alyssa Rosenzweig Date: Wed, 21 Aug 2019 13:45:47 -0700 Subject: pan/midgard: Explain ffma Signed-off-by: Alyssa Rosenzweig --- src/panfrost/midgard/midgard_ops.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/panfrost/midgard/midgard_ops.c b/src/panfrost/midgard/midgard_ops.c index dbc87386bc0..36e4bc371d1 100644 --- a/src/panfrost/midgard/midgard_ops.c +++ b/src/panfrost/midgard/midgard_ops.c @@ -54,6 +54,9 @@ struct mir_op_props alu_opcode_props[256] = { [midgard_alu_op_ftrunc] = {"ftrunc", UNITS_ADD}, [midgard_alu_op_ffloor] = {"ffloor", UNITS_ADD}, [midgard_alu_op_fceil] = {"fceil", UNITS_ADD}, + + /* Multiplies the X/Y components of the first arg and adds the second + * arg. Like other LUTs, it must be scalarized. */ [midgard_alu_op_ffma] = {"ffma", UNIT_VLUT}, /* Though they output a scalar, they need to run on a vector unit -- cgit v1.2.3