[Mesa-dev] [PATCH 0/6] nv50/ir: various compiler optimizations

[Karol Herbst]

changes in my shader-db:

total instructions in shared programs : 1926020 -> 1895185 (-1.60%)
total gprs used in shared programs    : 251878 -> 251739 (-0.06%)
total local used in shared programs   : 5673 -> 5673 (0.00%)
total bytes used in shared programs   : 17659256 -> 17379448 (-1.58%)

                local        gpr       inst      bytes 
    helped           0         137        3993        3993 
      hurt           0           8           0           0

shaders added to shader-db:
 antichamber
 bioshock infinite
 borderlands presequel
 deadcore
 gputest
 saints row IV
 shadow warrior
 talos principle
 unigine heaven/valley
 wasteland 2
 witcher 2

Karol Herbst (6):
  nv50/ir: enable PostRaConstantFolding for [c0,f0)
  nv50/ir: swap sources in PostRaConstantFolding when src0 is imm
  nv50/ir: optimize neg(add(bool, 1)) to bool for OP_SET and OP_SLCT
  nv50/ir: optimize shl(shr(a, c), c) to and(a, ~((1 << c) - 1))
  nv50/ir: add PostRADCE Pass
  nv50/ir: run DCE backwards

 src/gallium/drivers/nouveau/codegen/nv50_ir.h      |   2 +-
 .../drivers/nouveau/codegen/nv50_ir_peephole.cpp   | 166 ++++++++++++++++-----
 2 files changed, 129 insertions(+), 39 deletions(-)

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2.7.0