Pavel Ondračka
ca0164f487
Don't add extra movs to construct the swizzles, but just split the instruction into separate channels, if possible. Idea by Filip Gawin. shader-db for RV370: total instructions in shared programs: 84632 -> 83565 (-1.26%) instructions in affected programs: 12613 -> 11546 (-8.46%) helped: 295 HURT: 8 total temps in shared programs: 12437 -> 12237 (-1.61%) temps in affected programs: 1807 -> 1607 (-11.07%) helped: 153 HURT: 20 LOST: 1 GAINED: 19 The HURT instructions and the single lost shaders are some fluctuations from pair scheduling. The number of instructions before pair scheduling is always lower or equivalent. Partial fix for: https://gitlab.freedesktop.org/mesa/mesa/-/issues/6339 Signed-off-by: Pavel Ondračka <pavel.ondracka@gmail.com> Reviewed-by: Filip Gawin <filip@gawin.net> Tested-by: Filip Gawin <filip@gawin.net> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20009>
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