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| author | Jeff Law <jlaw@ventanamicro.com> | 2025-03-11 18:01:33 -0600 |
|---|---|---|
| committer | Jeff Law <jlaw@ventanamicro.com> | 2025-03-11 18:01:33 -0600 |
| commit | 9cebf1234b88e55a04071bd55c9ec4e22c0899e6 (patch) | |
| tree | 7107da5f556cbacd958e6b12b691718028119479 | |
| parent | afb46540d3921e96c4cd7ba8fa2c8b0901759455 (diff) | |
| download | gcc-9cebf1234b88e55a04071bd55c9ec4e22c0899e6.zip gcc-9cebf1234b88e55a04071bd55c9ec4e22c0899e6.tar.gz gcc-9cebf1234b88e55a04071bd55c9ec4e22c0899e6.tar.bz2 | |
Revert "[rtl-optimization/117467] Avoid unnecessarily marking things live in ext-dce"
This reverts commit 4ed07a11ee2845c2085a3cd5cff043209a452441.
| -rw-r--r-- | gcc/ext-dce.cc | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/gcc/ext-dce.cc b/gcc/ext-dce.cc index 35ddda0..a034395 100644 --- a/gcc/ext-dce.cc +++ b/gcc/ext-dce.cc @@ -643,18 +643,6 @@ ext_dce_process_uses (rtx_insn *insn, rtx obj, /* The code of the RHS of a SET. */ enum rtx_code code = GET_CODE (src); - /* If we break the main loop below, then we will continue processing - sub-components of this RTX, including the SET_DEST. - - That is not necessary if the SET_DEST is a REG. We can just bump the - iterator to the next element to skip handling the SET_DEST. - - We can probably do this for ZERO_EXTRACT, STRICT_LOW_PART and SUBREG - destinations as well. But I want to rewrite all this code and keep - this fix conservative given we're deep into the gcc-15 release cycle. */ - if (REG_P (dst)) - iter.next (); - /* ?!? How much of this should mirror SET handling, potentially being shared? */ if (SUBREG_P (dst) && SUBREG_BYTE (dst).is_constant ()) |