aco: improve get_gfx11_true16_mask description

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24294>
2023-07-24 13:57:16 +02:00
parent 8fbebb6a2a
commit 92900d8bf4
1 changed files with 1 additions and 0 deletions
--- a/src/amd/compiler/aco_ir.cpp
+++ b/src/amd/compiler/aco_ir.cpp
@@ -648,6 +648,7 @@ instr_is_16bit(amd_gfx_level gfx_level, aco_opcode op)

 /* On GFX11, for some instructions, bit 7 of the destination/operand vgpr is opsel and the field
 * only supports v0-v127.
+ * The first three bits are used for operands 0-2, and the 4th bit is used for the destination.
 */
 uint8_t
 get_gfx11_true16_mask(aco_opcode op)