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| author | Jakub Jelinek <jakub@redhat.com> | 2018-03-02 10:16:50 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2018-03-02 10:16:50 +0100 |
| commit | ec2d71214f90e21675a5abbe5b532273f7b11ded (patch) | |
| tree | 3d15c0641b451c63150370c5e946ac77cb1d82d3 /gcc/combine.c | |
| parent | be86d201598e3b653acc6db1542b0c799c401e09 (diff) | |
| download | gcc-ec2d71214f90e21675a5abbe5b532273f7b11ded.zip gcc-ec2d71214f90e21675a5abbe5b532273f7b11ded.tar.gz gcc-ec2d71214f90e21675a5abbe5b532273f7b11ded.tar.bz2 | |
re PR rtl-optimization/84614 (wrong code with u16->u128 extension at aarch64 -fno-split-wide-types -g3 --param=max-combine-insns=3)
PR target/84614
* rtl.h (prev_real_nondebug_insn, next_real_nondebug_insn): New
prototypes.
* emit-rtl.c (next_real_insn, prev_real_insn): Fix up function
comments.
(next_real_nondebug_insn, prev_real_nondebug_insn): New functions.
* cfgcleanup.c (try_head_merge_bb): Use prev_real_nondebug_insn
instead of a loop around prev_real_insn.
* combine.c (move_deaths): Use prev_real_nondebug_insn instead of
prev_real_insn.
* gcc.dg/pr84614.c: New test.
From-SVN: r258129
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index 6b761c6..ddea5b1 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -13923,7 +13923,7 @@ move_deaths (rtx x, rtx maybe_kill_insn, int from_luid, rtx_insn *to_insn, FROM_LUID and TO_INSN. If so, find it. This is PR83304. */ if (!where_dead || DF_INSN_LUID (where_dead) >= DF_INSN_LUID (to_insn)) { - rtx_insn *insn = prev_real_insn (to_insn); + rtx_insn *insn = prev_real_nondebug_insn (to_insn); while (insn && BLOCK_FOR_INSN (insn) == BLOCK_FOR_INSN (to_insn) && DF_INSN_LUID (insn) >= from_luid) @@ -13935,7 +13935,7 @@ move_deaths (rtx x, rtx maybe_kill_insn, int from_luid, rtx_insn *to_insn, break; } - insn = prev_real_insn (insn); + insn = prev_real_nondebug_insn (insn); } } |