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| author | Richard Biener <rguenther@suse.de> | 2024-04-10 07:57:03 +0200 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2024-04-10 07:57:03 +0200 |
| commit | 109f1b28fc94c93096506e3df0c25e331cef19d0 (patch) | |
| tree | 890b3b82ab29a3948ec1adb8d7083f399a9ba5eb | |
| parent | 7924e352523b37155ed9d76dc426701de9d11a22 (diff) | |
| download | gcc-109f1b28fc94c93096506e3df0c25e331cef19d0.zip gcc-109f1b28fc94c93096506e3df0c25e331cef19d0.tar.gz gcc-109f1b28fc94c93096506e3df0c25e331cef19d0.tar.bz2 | |
Revert "combine: Don't combine if I2 does not change"
This reverts commit 839bc42772ba7af66af3bd16efed4a69511312ae.
| -rw-r--r-- | gcc/combine.cc | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/gcc/combine.cc b/gcc/combine.cc index 71c9abc..92b8d98 100644 --- a/gcc/combine.cc +++ b/gcc/combine.cc @@ -4196,17 +4196,6 @@ try_combine (rtx_insn *i3, rtx_insn *i2, rtx_insn *i1, rtx_insn *i0, adjust_for_new_dest (i3); } - /* If I2 didn't change, this is not a combination (but a simplification or - canonicalisation with context), which should not be done here. Doing - it here explodes the algorithm. Don't. */ - if (rtx_equal_p (newi2pat, PATTERN (i2))) - { - if (dump_file) - fprintf (dump_file, "i2 didn't change, not doing this\n"); - undo_all (); - return 0; - } - /* We now know that we can do this combination. Merge the insns and update the status of registers and LOG_LINKS. */ |