diff options
| author | Matt Turner <[email protected]> | 2013-10-20 11:38:17 -0700 |
|---|---|---|
| committer | Matt Turner <[email protected]> | 2013-10-30 19:49:27 -0700 |
| commit | b16b3c8703f198ca0f025b730d582600df79c19c (patch) | |
| tree | 1b4aa59b1807f9ca3ee4f2d054f26cbe61a2070e /docs/postprocess.html | |
| parent | 219b43c612b2882e0bf82ac1a12ff073a42be6e1 (diff) | |
i965/fs: Perform CSE on CMP(N) instructions.
Optimizes
cmp.ge.f0(8) null g45<8,8,1>F 0F
(+f0) sel(8) g50<1>F g40<8,8,1>F g10<8,8,1>F
cmp.ge.f0(8) null g45<8,8,1>F 0F
(+f0) sel(8) g51<1>F g41<8,8,1>F g11<8,8,1>F
cmp.ge.f0(8) null g45<8,8,1>F 0F
(+f0) sel(8) g52<1>F g42<8,8,1>F g12<8,8,1>F
cmp.ge.f0(8) null g45<8,8,1>F 0F
(+f0) sel(8) g53<1>F g43<8,8,1>F g13<8,8,1>F
into
cmp.ge.f0(8) null g45<8,8,1>F 0F
(+f0) sel(8) g50<1>F g40<8,8,1>F g10<8,8,1>F
(+f0) sel(8) g51<1>F g41<8,8,1>F g11<8,8,1>F
(+f0) sel(8) g52<1>F g42<8,8,1>F g12<8,8,1>F
(+f0) sel(8) g53<1>F g43<8,8,1>F g13<8,8,1>F
total instructions in shared programs: 1644938 -> 1638181 (-0.41%)
instructions in affected programs: 574955 -> 568198 (-1.18%)
Two more 16-wide programs (in L4D2). Some large (-9%) decreases in
instruction count in some of Valve's Source Engine games. No
regressions.
Reviewed-by: Eric Anholt <[email protected]>
Reviewed-by: Paul Berry <[email protected]>
Diffstat (limited to 'docs/postprocess.html')
0 files changed, 0 insertions, 0 deletions