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authorRichard Biener <rguenther@suse.de>2025-07-30 15:05:19 +0200
committerRichard Biener <rguenther@suse.de>2025-07-31 08:35:37 +0200
commit8cae7cc099f533b2882898dc05528fcbb70ea9f2 (patch)
treea90115ef9e9b462046bf2578af1004906fa042c5 /gcc/testsuite/ada/acats-2/tests/c8/c86004a.ada
parentfb59c5719c17a04ecfd58b5e566eccd6d2ac583a (diff)
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Disallow scan-store vectorization in epiloguesHEADtrunkmaster
The following disallows vectorizing epilogues containing scan-stores. Since code generation works by walking gimple stmts it is not ready for this when cleaning up epilogue vectorization. I believe scan-store vectorization needs most of the work done during SLP discovery to reflect the data flow. * tree-vect-stmts.cc (check_scan_store): Remove redundant slp_node check. Disallow epilogue vectorization.
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