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from 449d9e9b812 Improve code generation for pdp11 target. new 47d2cd73185 PR middle-end/77357 - strlen of constant strings not folded
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Summary of changes: gcc/ChangeLog | 14 + gcc/builtins.c | 12 +- gcc/expr.c | 193 ++++++++------ gcc/fold-const.c | 58 ++++- gcc/fold-const.h | 3 +- gcc/gimple-fold.c | 145 ++++++++--- gcc/gimple-fold.h | 4 +- gcc/testsuite/ChangeLog | 9 + .../gcc.c-torture/execute/builtins/strlen-3.c | 12 +- gcc/testsuite/gcc.dg/strlenopt-49.c | 53 ++++ gcc/testsuite/gcc.dg/strlenopt-50.c | 116 +++++++++ gcc/testsuite/gcc.dg/strlenopt-51.c | 121 +++++++++ gcc/testsuite/gcc.dg/strlenopt-52.c | 288 +++++++++++++++++++++ 13 files changed, 885 insertions(+), 143 deletions(-) create mode 100644 gcc/testsuite/gcc.dg/strlenopt-49.c create mode 100644 gcc/testsuite/gcc.dg/strlenopt-50.c create mode 100644 gcc/testsuite/gcc.dg/strlenopt-51.c create mode 100644 gcc/testsuite/gcc.dg/strlenopt-52.c