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| author | J"orn Rennecke <joern.rennecke@superh.com> | 2003-11-27 21:45:26 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 2003-11-27 21:45:26 +0000 |
| commit | f3ea0706841c3e1fa9d4e7d3e238c05d6306188d (patch) | |
| tree | 2d746e7a8a20d3c0e9cbb9a75fe5860b8165a125 | |
| parent | a3d4c92f8a6d06118358fda1fe17f948acb94d21 (diff) | |
| download | gcc-f3ea0706841c3e1fa9d4e7d3e238c05d6306188d.zip gcc-f3ea0706841c3e1fa9d4e7d3e238c05d6306188d.tar.gz gcc-f3ea0706841c3e1fa9d4e7d3e238c05d6306188d.tar.bz2 | |
cse.c (cse_set_around_loop): When changing a constant load to a register -register copy, add a REG_EQUAL note.
* cse.c (cse_set_around_loop): When changing a constant load
to a register -register copy, add a REG_EQUAL note.
From-SVN: r74007
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/cse.c | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4af2b92..e7a9393 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-11-27 J"orn Rennecke <joern.rennecke@superh.com> + + * cse.c (cse_set_around_loop): When changing a constant load + to a register -register copy, add a REG_EQUAL note. + 2003-11-27 Randolph Chung <tausq@debian.org> John David Anglin <dave.anglin@nrc-cnrc.gc.ca> @@ -6676,6 +6676,10 @@ cse_set_around_loop (rtx x, rtx insn, rtx loop_start) } else { + if (CONSTANT_P (SET_SRC (set)) + && ! find_reg_equal_equiv_note (insn)) + set_unique_reg_note (insn, REG_EQUAL, + SET_SRC (set)); if (control_flow_insn_p (p)) /* p can cause a control flow transfer so it is the last insn of a basic block. We can't |