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from 6957b94 * common.opt (fstack-protector): Initialize to -1. [...] new f155ce8 [Patch][expand] Check gimple statement to improve LSHIFT_EXP expand
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Summary of changes: gcc/ChangeLog | 5 ++ gcc/expr.c | 121 ++++++++++++++++++++++---- gcc/testsuite/ChangeLog | 6 ++ gcc/testsuite/gcc.dg/wide-shift-128.c | 11 +++ gcc/testsuite/gcc.dg/wide-shift-64.c | 10 +++ gcc/testsuite/gcc.target/aarch64/ashltidisi.c | 49 +++++++++++ 6 files changed, 186 insertions(+), 16 deletions(-) create mode 100644 gcc/testsuite/gcc.dg/wide-shift-128.c create mode 100644 gcc/testsuite/gcc.dg/wide-shift-64.c create mode 100644 gcc/testsuite/gcc.target/aarch64/ashltidisi.c