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	Commit message (Collapse)	Author	Age	Files	Lines
*	vc4: Convert uniforms lowering to work with multiple blocks.	Eric Anholt	2016-07-12	1	-29/+44
\| \| \| \| \| \| \| \| \|	We still decide which uniform to lower based on how many instructions-that-need-lowering use that uniform, but now we emit a new temporary uniform load in each of the basic blocks containing an instruction being lowered. This commit is best reviewed with diff -b.
*	vc4: Create a basic block structure and move the instructions into it.	Eric Anholt	2016-07-12	1	-1/+1
\| \| \| \| \| \| \|	The optimization passes and scheduling aren't actually ready for multiple blocks with control flow yet (as seen by the "cur_block" references in them instead of iterating over blocks), but this creates the structures necessary for converting them.
*	vc4: Add a "qir_for_each_inst_inorder" macro and use it in many places.	Eric Anholt	2016-07-12	1	-2/+2
\| \| \| \| \| \| \| \|	We have the prior list_foreach() all over the code, but I need to move where instructions live as part of adding support for control flow. Start by just converting to a helper iterator macro. (The simpler "qir_for_each_inst()" will be used for the for-each-inst-in-a-block iterator macro later)
*	vc4: Add a helper function for the construction of qregs.	Eric Anholt	2016-04-08	1	-1/+1
\| \| \| \| \|	The separate declaration of the struct is not helping clarity, and I was going to be writing a whole lot more of these in the upcoming patches.
*	vc4: Don't bother lowering uniforms when the same value is used twice.	Eric Anholt	2015-11-17	1	-13/+33
\| \| \| \| \| \| \| \| \| \| \| \| \|	DEQP likes to do math on uniforms, and the "fmaxabs dst, uni, uni" to get the absolute value would get lowered. The lowering doesn't bother to try to restrict the lifetime of the lowered uniforms, so we'd end up register allocation failng due to this on 5 of the tests (More tests still fail in RA, which look like we'll need to reduce lowered uniform lifetimes to fix). No changes on shader-db, though fewer extra MOVs are generated on even glxgears (MOVs pair well enough that it ends up being the same instruction count).
*	vc4: Fix documentation on vc4_qir_lower_uniforms.c.	Eric Anholt	2015-11-17	1	-7/+3
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*	vc4: Also consider uniform 0 in uniform lowering.	Eric Anholt	2015-07-17	1	-3/+3
\| \| \| \|	The hash table considers key 0 to be the empty key.
*	vc4: Convert from simple_list.h to list.h	Eric Anholt	2015-05-29	1	-6/+3
\| \| \| \|	list.h is a nicer and more familiar set of list functions/macros.
*	vc4: Keep an array of pointers to instructions defining the temps around.	Eric Anholt	2015-02-19	1	-0/+1
\| \| \| \| \|	The optimization passes are always regenerating it and throwing it away, but it's not hard to keep track of.
*	vc4: Enforce one-uniform-per-instruction after optimization.	Eric Anholt	2015-02-19	1	-0/+176
	This lets us more intelligently decide which uniform values should be put into temporaries, by choosing the most reused values to push to temps first. total uniforms in shared programs: 13457 -> 13433 (-0.18%) uniforms in affected programs: 1524 -> 1500 (-1.57%) total instructions in shared programs: 40198 -> 40019 (-0.45%) instructions in affected programs: 6027 -> 5848 (-2.97%) I noticed this opportunity because with the NIR work, some programs were happening to make different uniform copy propagation choices that significantly increased instruction counts.