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from 8c09dc31e87 PR lto/91222 * ipa-devirt.c (warn_types_mismatch): Compar [...] new f3ff423503d Implement more rtx vector folds on variable-length vectors new cece06110c9 Generalise VEC_DUPLICATE folding for variable-length vectors new 6a2ad652327 Add dg test for matching function bodies new 1dc72f8a1eb Prevent -Og from deleting stores to write-only variables new 4692c7e849f Don't run DSE at -Og
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Summary of changes: gcc/ChangeLog | 60 ++++++ gcc/common.opt | 2 +- gcc/doc/invoke.texi | 4 +- gcc/doc/sourcebuild.texi | 85 +++++++++ gcc/int-vector-builder.h | 9 +- gcc/opts.c | 5 +- gcc/rtx-vector-builder.h | 16 +- gcc/simplify-rtx.c | 178 ++++++++++++++---- gcc/testsuite/ChangeLog | 29 +++ .../c-c++-common/guality/Og-global-dse-1.c | 17 ++ .../c-c++-common/guality/Og-static-wo-1.c | 15 ++ gcc/testsuite/g++.dg/guality/guality.exp | 18 +- gcc/testsuite/gcc.dg/guality/guality.exp | 18 +- gcc/testsuite/gcc.target/aarch64/sve/init_1.c | 20 +- gcc/testsuite/gcc.target/aarch64/sve/init_10.c | 24 +-- gcc/testsuite/gcc.target/aarch64/sve/init_11.c | 22 +-- gcc/testsuite/gcc.target/aarch64/sve/init_12.c | 26 ++- gcc/testsuite/gcc.target/aarch64/sve/init_2.c | 24 +-- gcc/testsuite/gcc.target/aarch64/sve/init_3.c | 21 +-- gcc/testsuite/gcc.target/aarch64/sve/init_4.c | 26 +-- gcc/testsuite/gcc.target/aarch64/sve/init_5.c | 20 +- gcc/testsuite/gcc.target/aarch64/sve/init_6.c | 22 +-- gcc/testsuite/gcc.target/aarch64/sve/init_7.c | 30 ++- gcc/testsuite/gcc.target/aarch64/sve/init_8.c | 30 ++- gcc/testsuite/gcc.target/aarch64/sve/init_9.c | 20 +- gcc/testsuite/lib/scanasm.exp | 166 ++++++++++++++++ gcc/tree-cfg.c | 3 +- gcc/tree-vector-builder.c | 97 ---------- gcc/tree-vector-builder.h | 20 +- gcc/vector-builder.h | 209 +++++++++++++++++---- 30 files changed, 872 insertions(+), 364 deletions(-) create mode 100644 gcc/testsuite/c-c++-common/guality/Og-global-dse-1.c create mode 100644 gcc/testsuite/c-c++-common/guality/Og-static-wo-1.c