Re: [Mesa-dev] [Mesa-stable] [PATCH] i965/vec4: Fix null destination register in 3-source instructions

2018-04-11 Thread Tapani Pälli
On 04/11/2018 11:02 AM, Tapani Pälli wrote: On 04/11/2018 10:42 AM, Juan A. Suarez Romero wrote: On Fri, 2018-03-23 at 13:54 -0700, Ian Romanick wrote: From: Ian Romanick A recent commit (see below) triggered some cases where conditional modifier propagation and

Re: [Mesa-dev] [Mesa-stable] [PATCH] i965/vec4: Fix null destination register in 3-source instructions

2018-04-11 Thread Tapani Pälli
On 04/11/2018 10:42 AM, Juan A. Suarez Romero wrote: On Fri, 2018-03-23 at 13:54 -0700, Ian Romanick wrote: From: Ian Romanick A recent commit (see below) triggered some cases where conditional modifier propagation and dead code elimination would cause a MAD

Re: [Mesa-dev] [Mesa-stable] [PATCH] i965/vec4: Fix null destination register in 3-source instructions

2018-04-11 Thread Juan A. Suarez Romero
On Fri, 2018-03-23 at 13:54 -0700, Ian Romanick wrote: > From: Ian Romanick > > A recent commit (see below) triggered some cases where conditional > modifier propagation and dead code elimination would cause a MAD > instruction like the following to be generated: > >