[Mesa-dev] [PATCH 6/8] i965: get the jmp distance by instruction index

Yuanhan Liu yuanhan.liu at linux.intel.com
Wed Dec 21 18:18:05 PST 2011


On Wed, Dec 21, 2011 at 05:57:35AM -0800, Eric Anholt wrote:
> On Wed, 21 Dec 2011 17:33:41 +0800, Yuanhan Liu <yuanhan.liu at linux.intel.com> wrote:
> > If dynamic instruction store size is enabled, while after the brw_JMPI()
> > and before the brw_land_fwd_jump() function, the eu instruction store
> > base address(p->store) may change. Thus, the safe way to reference the
> > jmp instruction is by index instead of by the instruction address.
> 
> Our other instructions return the instruction pointer, I don't think
> jmpi should be special in that respect.

Right. Fixed and how about the following patch?


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