From 23050478235fc66e4f8decebd94039b4efcc6c10 Mon Sep 17 00:00:00 2001 From: Matt Turner Date: Wed, 17 Apr 2013 11:52:00 -0700 Subject: [PATCH] i965: Add 3-src destination and shared-source type macros. Reviewed-by: Chris Forbes --- src/mesa/drivers/dri/i965/brw_defines.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h index 6517f243a0d..b0075202171 100644 --- a/src/mesa/drivers/dri/i965/brw_defines.h +++ b/src/mesa/drivers/dri/i965/brw_defines.h @@ -777,6 +777,17 @@ enum opcode { #define BRW_REGISTER_TYPE_V 6 /* packed int vector, immediates only, uword dest only */ #define BRW_REGISTER_TYPE_F 7 +/* SNB adds 3-src instructions (MAD and LRP) that only operate on floats, so + * the types were implied. IVB adds BFE and BFI2 that operate on doublewords + * and unsigned doublewords, so a new field is also available in the da3src + * struct (part of struct brw_instruction.bits1 in brw_structs.h) to select + * dst and shared-src types. The values are different from BRW_REGISTER_TYPE_*. + */ +#define BRW_3SRC_TYPE_F 0 +#define BRW_3SRC_TYPE_D 1 +#define BRW_3SRC_TYPE_UD 2 +#define BRW_3SRC_TYPE_DF 3 + #define BRW_ARF_NULL 0x00 #define BRW_ARF_ADDRESS 0x10 #define BRW_ARF_ACCUMULATOR 0x20 -- 2.30.2