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| author | Richard Sandiford <richard.sandiford@arm.com> | 2024-06-27 14:51:37 +0100 |
|---|---|---|
| committer | Richard Sandiford <richard.sandiford@arm.com> | 2024-06-27 14:51:37 +0100 |
| commit | f6081ee665fd5e4e7d37e02c69d16df0d3eead10 (patch) | |
| tree | aa4fda973fcd469b20d9148af4a3234de5ca0276 | |
| parent | 187eeb99ec5289538923668de9d61a3138376817 (diff) | |
| download | gcc-f6081ee665fd5e4e7d37e02c69d16df0d3eead10.zip gcc-f6081ee665fd5e4e7d37e02c69d16df0d3eead10.tar.gz gcc-f6081ee665fd5e4e7d37e02c69d16df0d3eead10.tar.bz2 | |
Disable late-combine for -O0 [PR115677]
late-combine relies on df, which for -O0 is only initialised late
(pass_df_initialize_no_opt, after split1). Other df-based passes
cope with this by requiring optimize > 0, so this patch does the
same for late-combine.
gcc/
PR rtl-optimization/115677
* late-combine.cc (pass_late_combine::gate): New function.
| -rw-r--r-- | gcc/late-combine.cc | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/late-combine.cc b/gcc/late-combine.cc index b7c0bc0..789d734 100644 --- a/gcc/late-combine.cc +++ b/gcc/late-combine.cc @@ -744,10 +744,16 @@ public: // opt_pass methods: opt_pass *clone () override { return new pass_late_combine (m_ctxt); } - bool gate (function *) override { return flag_late_combine_instructions; } + bool gate (function *) override; unsigned int execute (function *) override; }; +bool +pass_late_combine::gate (function *) +{ + return optimize > 0 && flag_late_combine_instructions; +} + unsigned int pass_late_combine::execute (function *fn) { |