diff options
| author | Tom Stellard <tstellar@gmail.com> | 2010-10-10 12:39:00 -0700 |
|---|---|---|
| committer | Tom Stellard <tstellar@gmail.com> | 2010-10-18 20:51:05 -0700 |
| commit | 9d2ab6cb00e72fd8b53d0f97578758504b49ee23 (patch) | |
| tree | d2e69dfaebca26ce07dba7fcac159fa9f9012edb /src/mesa/drivers/dri/r300/compiler/radeon_dataflow.h | |
| parent | 3cdff41d9245f997c465869148a74a2041739504 (diff) | |
r300/compiler: Add a new function for more efficient dataflow analysis
rc_get_readers_normal() supplies a list of readers for a given
instruction. This function is now being used by the copy propagate
optimization and will eventually be used by most other optimization
passes as well.
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/radeon_dataflow.h')
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_dataflow.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_dataflow.h b/src/mesa/drivers/dri/r300/compiler/radeon_dataflow.h index d10ae3c7b7..7de6b98f76 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_dataflow.h +++ b/src/mesa/drivers/dri/r300/compiler/radeon_dataflow.h @@ -1,5 +1,6 @@ /* * Copyright (C) 2009 Nicolai Haehnle. + * Copyright 2010 Tom Stellard <tstellar@gmail.com> * * All Rights Reserved. * @@ -35,6 +36,7 @@ struct rc_instruction; struct rc_swizzle_caps; struct rc_src_register; struct rc_pair_instruction_arg; +struct rc_compiler; /** @@ -66,6 +68,32 @@ typedef void (*rc_remap_register_fn)(void * userdata, struct rc_instruction * in void rc_remap_registers(struct rc_instruction * inst, rc_remap_register_fn cb, void * userdata); /*@}*/ +struct rc_reader { + struct rc_instruction * Inst; + unsigned int WriteMask; + struct rc_src_register * Src; +}; + +struct rc_reader_data { + unsigned int Abort; + unsigned int AbortOnRead; + unsigned int InElse; + struct rc_instruction * Writer; + + unsigned int ReaderCount; + unsigned int ReadersReserved; + struct rc_reader * Readers; + + void * CbData; +}; + +void rc_get_readers_normal( + struct radeon_compiler * c, + struct rc_instruction * inst, + struct rc_reader_data * data, + /*XXX: These should be their own function types. */ + rc_read_src_fn read_cb, + rc_read_write_mask_fn write_cb); /** * Compiler passes based on dataflow analysis. |