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| author | Martin Liska <mliska@suse.cz> | 2022-10-08 10:19:23 +0200 |
|---|---|---|
| committer | Martin Liska <mliska@suse.cz> | 2022-10-08 10:19:23 +0200 |
| commit | d9e7934d25da4a78ffef1f738206aa1d897911df (patch) | |
| tree | 1bd1697c14259e095f4b4790946eae7df0c5a2e3 /gcc/function.cc | |
| parent | da0970e441345f8349522ff1abac5c223044ebb1 (diff) | |
| parent | 6ffbf87ca66f4ed9cd79cff675fabe2109e46e85 (diff) | |
| download | gcc-d9e7934d25da4a78ffef1f738206aa1d897911df.zip gcc-d9e7934d25da4a78ffef1f738206aa1d897911df.tar.gz gcc-d9e7934d25da4a78ffef1f738206aa1d897911df.tar.bz2 | |
Merge branch 'master' into devel/sphinx
Diffstat (limited to 'gcc/function.cc')
| -rw-r--r-- | gcc/function.cc | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/gcc/function.cc b/gcc/function.cc index 5498a71..6474a66 100644 --- a/gcc/function.cc +++ b/gcc/function.cc @@ -6249,10 +6249,15 @@ thread_prologue_and_epilogue_insns (void) } } - /* Threading the prologue and epilogue changes the artificial refs - in the entry and exit blocks. */ - epilogue_completed = 1; - df_update_entry_exit_and_calls (); + /* Threading the prologue and epilogue changes the artificial refs in the + entry and exit blocks, and may invalidate DF info for tail calls. */ + if (optimize) + df_update_entry_exit_and_calls (); + else + { + df_update_entry_block_defs (); + df_update_exit_block_uses (); + } } /* Reposition the prologue-end and epilogue-begin notes after |