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aco/opt: add some comments

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Georg Lehmann <dadschoorse@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36177>
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Rhys Perry 2025-07-15 16:20:15 +01:00 • committed by Marge Bot
parent 2fff1db5c8
commit 85b31c9c4d
1 changed files with 6 additions and 0 deletions
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6
src/amd/compiler/aco_optimizer.cpp
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@ -57,9 +57,15 @@ enum Label {
label_omod5 = 1 << 10,
label_clamp = 1 << 12,
label_b2f = 1 << 16,
/* This label means that it's either 0 or -1, and the ssa_info::temp is an s1 which is 0 or 1. */
label_uniform_bool = 1 << 21,
label_constant_64bit = 1 << 22,
/* This label is added to the first definition of s_not/s_or/s_xor/s_and when all operands are
* uniform_bool or uniform_bitwise. The first definition of ssa_info::instr would be 0 or -1 and
* the second is SCC.
*/
label_uniform_bitwise = 1 << 23,
/* This label means that it's either 0 or 1 and ssa_info::temp is the inverse. */
label_scc_invert = 1 << 24,
label_scc_needed = 1 << 26,
label_b2i = 1 << 27,