diff options
| author | Alan Hayward <alan.hayward@arm.com> | 2018-08-06 09:51:01 +0000 |
|---|---|---|
| committer | Alan Hayward <alahay01@gcc.gnu.org> | 2018-08-06 09:51:01 +0000 |
| commit | 30dc1902a777966dc1d1dad0fb5f19b7a960e5ca (patch) | |
| tree | 72e457f4dfa5196e0fff6049463f9962e1b6b92b /gcc/lra-int.h | |
| parent | 6a7fa0c213063683b2011c735bbf78ee8185fbfd (diff) | |
lra support for clobber_high
gcc/
* lra-eliminations.c (lra_eliminate_regs_1): Check for clobber high.
(mark_not_eliminable): Likewise.
* lra-int.h (struct lra_insn_reg): Add clobber high marker.
* lra-lives.c (process_bb_lives): Check for clobber high.
* lra.c (new_insn_reg): Remember clobber highs.
(collect_non_operand_hard_regs): Check for clobber high.
(lra_set_insn_recog_data): Likewise.
(add_regs_to_insn_regno_info): Likewise.
(lra_update_insn_regno_info): Likewise.
From-SVN: r263329
Diffstat (limited to 'gcc/lra-int.h')
| -rw-r--r-- | gcc/lra-int.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/lra-int.h b/gcc/lra-int.h index 86e103b7480..5267b53c5e3 100644 --- a/gcc/lra-int.h +++ b/gcc/lra-int.h @@ -168,6 +168,8 @@ struct lra_insn_reg /* True if there is an early clobber alternative for this operand. */ unsigned int early_clobber : 1; + /* True if the reg is clobber highed by the operand. */ + unsigned int clobber_high : 1; /* The corresponding regno of the register. */ int regno; /* Next reg info of the same insn. */ |