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* [Bug target/91753] Bad register allocation of multi-register types [not found] <bug-91753-4@http.gcc.gnu.org/bugzilla/> @ 2021-01-29 9:12 ` ktkachov at gcc dot gnu.org 2021-08-12 8:09 ` tnfchris at gcc dot gnu.org 1 sibling, 0 replies; 2+ messages in thread From: ktkachov at gcc dot gnu.org @ 2021-01-29 9:12 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91753 ktkachov at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ktkachov at gcc dot gnu.org --- Comment #8 from ktkachov at gcc dot gnu.org --- The issue with the many moves is still there, however for GCC 11 at least they're hoisted outside the loop ^ permalink raw reply [flat|nested] 2+ messages in thread
* [Bug target/91753] Bad register allocation of multi-register types [not found] <bug-91753-4@http.gcc.gnu.org/bugzilla/> 2021-01-29 9:12 ` [Bug target/91753] Bad register allocation of multi-register types ktkachov at gcc dot gnu.org @ 2021-08-12 8:09 ` tnfchris at gcc dot gnu.org 1 sibling, 0 replies; 2+ messages in thread From: tnfchris at gcc dot gnu.org @ 2021-08-12 8:09 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91753 Tamar Christina <tnfchris at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED CC| |tnfchris at gcc dot gnu.org Resolution|--- |FIXED Target Milestone|--- |12.0 --- Comment #9 from Tamar Christina <tnfchris at gcc dot gnu.org> --- Fixed in GCC 12 where we generate at -O1/2/3 neon_transform_nada(uint8x16x4_t, unsigned char*, int): ldp q7, q6, [x0] ldp q5, q4, [x0, 32] cmp w1, 0 ble .L2 mov w2, 0 .L3: add w2, w2, 1 tbx v7.16b, {v0.16b - v3.16b}, v7.16b tbx v6.16b, {v0.16b - v3.16b}, v6.16b tbx v5.16b, {v0.16b - v3.16b}, v5.16b tbx v4.16b, {v0.16b - v3.16b}, v4.16b cmp w1, w2 bne .L3 .L2: stp q7, q6, [x0] stp q5, q4, [x0, 32] ret ^ permalink raw reply [flat|nested] 2+ messages in thread
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[not found] <bug-91753-4@http.gcc.gnu.org/bugzilla/>
2021-01-29 9:12 ` [Bug target/91753] Bad register allocation of multi-register types ktkachov at gcc dot gnu.org
2021-08-12 8:09 ` tnfchris at gcc dot gnu.org
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