Re: [Mesa-dev] [PATCH 2/2] i965: Optimize multiplication by -1 into a negated MOV.

2015-02-12 Thread Matt Turner
On Thu, Feb 12, 2015 at 5:45 PM, Tom Stellard wrote: > On Thu, Feb 12, 2015 at 03:36:37PM -0800, Matt Turner wrote: >> instructions in affected programs: 968 -> 942 (-2.69%) >> helped:4 >> --- >> src/mesa/drivers/dri/i965/brw_fs.cpp | 9 + >> src/mesa

Re: [Mesa-dev] [PATCH 2/2] i965: Optimize multiplication by -1 into a negated MOV.

2015-02-12 Thread Tom Stellard
On Thu, Feb 12, 2015 at 03:36:37PM -0800, Matt Turner wrote: > instructions in affected programs: 968 -> 942 (-2.69%) > helped:4 > --- > src/mesa/drivers/dri/i965/brw_fs.cpp | 9 + > src/mesa/drivers/dri/i965/brw_vec4.cpp | 5 + > 2 files changed,

[Mesa-dev] [PATCH 2/2] i965: Optimize multiplication by -1 into a negated MOV.

2015-02-12 Thread Matt Turner
instructions in affected programs: 968 -> 942 (-2.69%) helped:4 --- src/mesa/drivers/dri/i965/brw_fs.cpp | 9 + src/mesa/drivers/dri/i965/brw_vec4.cpp | 5 + 2 files changed, 14 insertions(+) diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/sr