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Commit 579ec9c3 authored by Dave Airlie's avatar Dave Airlie
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r600/sb: handle jump after target to end of program. (v2)


This fixes hangs on cayman with
tests/spec/arb_tessellation_shader/execution/trivial-tess-gs_no-gs-inputs.shader_test

This has a single if/else in it, and when this peephole activated,
it would set the jump target to NULL if there was no instruction
after the final POP. This adds a NOP if we get a jump in this case,
and seems to fix the hangs, so we have a valid target for the ELSE
instruction to go to, instead of 0 (which causes infinite loops).

v2: update last_cf correctly. (I had some other patches hide this)

Cc: <mesa-stable@lists.freedesktop.org>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 6b91610f
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