[PATCH] D119696: [AMDGPU] Improve v_cmpx usage on GFX10.3.

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added inline comments.


================
Comment at: llvm/lib/Target/AMDGPU/SIOptimizeExecMasking.cpp:571
+  // After all s_op_saveexec instructions are inserted,
+  // replace (on GFX10.3)
+  // v_cmp_* SGPR, IMM, VGPR
----------------
nhaehnle wrote:
> gfx10.3 and later.
Why only do this on gfx10.3? Every target has v_cmpx?


Repository:
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  https://reviews.llvm.org/D119696/new/

https://reviews.llvm.org/D119696