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| author | Roger Sayle <roger@eyesopen.com> | 2004-04-04 21:44:41 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2004-04-04 21:44:41 +0000 |
| commit | d8b7ec41b57618f6a7e9d02942ac36b309cbeac9 (patch) | |
| tree | 80230eaf8180e7da392b456e733302e1bce34852 /gcc/cse.c | |
| parent | 4012b7db1e8fd64e72dfaec3a9fcbc73deb2ec42 (diff) | |
| download | gcc-d8b7ec41b57618f6a7e9d02942ac36b309cbeac9.zip gcc-d8b7ec41b57618f6a7e9d02942ac36b309cbeac9.tar.gz gcc-d8b7ec41b57618f6a7e9d02942ac36b309cbeac9.tar.bz2 | |
cse.c (cse_insn): Correct usage of simplify_replace_rtx when updating the REG_EQUAL note on an...
* cse.c (cse_insn): Correct usage of simplify_replace_rtx when
updating the REG_EQUAL note on an insn's libcall_insn.
From-SVN: r80400
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 9 |
1 files changed, 7 insertions, 2 deletions
@@ -5402,8 +5402,13 @@ cse_insn (rtx insn, rtx libcall_insn) && (GET_CODE (sets[i].orig_src) == REG || GET_CODE (sets[i].orig_src) == SUBREG || GET_CODE (sets[i].orig_src) == MEM)) - simplify_replace_rtx (REG_NOTES (libcall_insn), - sets[i].orig_src, copy_rtx (new)); + { + rtx note = find_reg_equal_equiv_note (libcall_insn); + if (note != 0) + XEXP (note, 0) = simplify_replace_rtx (XEXP (note, 0), + sets[i].orig_src, + copy_rtx (new)); + } /* The result of apply_change_group can be ignored; see canon_reg. */ |