Rhys Perry
f4c2c90e1a
We could create VALU instructions which read two sgprs, but only if isel created an instruction which already read one of them. This change is in a separate patch from the apply_sgprs() rewrite so that it can be tested if the rewrite affected anything. pipeline-db (Navi): Totals from affected shaders: SGPRS: 216 -> 216 (0.00 %) VGPRS: 64 -> 64 (0.00 %) Spilled SGPRs: 0 -> 0 (0.00 %) Spilled VGPRs: 0 -> 0 (0.00 %) Code Size: 1756 -> 1708 (-2.73 %) bytes Max Waves: 120 -> 120 (0.00 %) Instructions: 312 -> 300 (-3.85 %) pipeline-db (Vega): Totals from affected shaders: SGPRS: 216 -> 216 (0.00 %) VGPRS: 64 -> 64 (0.00 %) Spilled SGPRs: 0 -> 0 (0.00 %) Spilled VGPRs: 0 -> 0 (0.00 %) Code Size: 1784 -> 1736 (-2.69 %) bytes Max Waves: 120 -> 120 (0.00 %) Instructions: 319 -> 307 (-3.76 %) Signed-off-by: Rhys Perry <pendingchaos02@gmail.com> Reviewed-by: Daniel Schürmann <daniel@schuermann.dev> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/2883>
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