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| author | Vladimir Makarov <vmakarov@redhat.com> | 2014-07-11 17:19:53 +0000 |
|---|---|---|
| committer | Vladimir Makarov <vmakarov@gcc.gnu.org> | 2014-07-11 17:19:53 +0000 |
| commit | 12b308fa865bb6ac7f30671e332ec17926556da4 (patch) | |
| tree | f05fee7db1568b00a571bc955c30ea0841f20b45 /gcc/lra-constraints.c | |
| parent | d5313205efe7b750614a237fca070f2479787c0b (diff) | |
| download | gcc-12b308fa865bb6ac7f30671e332ec17926556da4.zip gcc-12b308fa865bb6ac7f30671e332ec17926556da4.tar.gz gcc-12b308fa865bb6ac7f30671e332ec17926556da4.tar.bz2 | |
lra-constraints.c (remove_inheritance_pseudos): Process destination pseudo too.
2014-07-11 Vladimir Makarov <vmakarov@redhat.com>
* lra-constraints.c (remove_inheritance_pseudos): Process
destination pseudo too.
From-SVN: r212464
Diffstat (limited to 'gcc/lra-constraints.c')
| -rw-r--r-- | gcc/lra-constraints.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c index baed7e7..a43f8dc 100644 --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -5697,6 +5697,20 @@ remove_inheritance_pseudos (bitmap remove_pseudos) SUBREG_REG (SET_SRC (set)) = SET_SRC (prev_set); else SET_SRC (set) = SET_SRC (prev_set); + /* As we are finishing with processing the insn + here, check the destination too as it might + inheritance pseudo for another pseudo. */ + if (bitmap_bit_p (remove_pseudos, dregno) + && bitmap_bit_p (&lra_inheritance_pseudos, dregno) + && (restore_regno + = lra_reg_info[dregno].restore_regno) >= 0) + { + if (GET_CODE (SET_DEST (set)) == SUBREG) + SUBREG_REG (SET_DEST (set)) + = regno_reg_rtx[restore_regno]; + else + SET_DEST (set) = regno_reg_rtx[restore_regno]; + } lra_push_insn_and_update_insn_regno_info (curr_insn); lra_set_used_insn_alternative_by_uid (INSN_UID (curr_insn), -1); |