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| author | Jakub Jelinek <jakub@redhat.com> | 2018-02-09 06:48:33 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2018-02-09 06:48:33 +0100 |
| commit | e47aebb33fd5372bcb437aba1cc3a078608c388d (patch) | |
| tree | a548999f724e218dd2e206ac3141c303f247c693 /gcc/var-tracking.c | |
| parent | ebd06e5ca705e69711eb58277b6f820132bb7b67 (diff) | |
| download | gcc-e47aebb33fd5372bcb437aba1cc3a078608c388d.zip gcc-e47aebb33fd5372bcb437aba1cc3a078608c388d.tar.gz gcc-e47aebb33fd5372bcb437aba1cc3a078608c388d.tar.bz2 | |
re PR debug/84252 (ICE in get_tracked_reg_offset when building libvpx for aarch64)
PR debug/84252
* var-tracking.c (vt_add_function_parameter): Punt for non-onepart
PARALLEL incoming that failed vt_get_decl_and_offset check.
* gcc.target/aarch64/pr84252.c: New test.
From-SVN: r257514
Diffstat (limited to 'gcc/var-tracking.c')
| -rw-r--r-- | gcc/var-tracking.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/var-tracking.c b/gcc/var-tracking.c index c3d4dac..fb30ec2 100644 --- a/gcc/var-tracking.c +++ b/gcc/var-tracking.c @@ -9653,6 +9653,7 @@ vt_add_function_parameter (tree parm) poly_int64 offset; dataflow_set *out; decl_or_value dv; + bool incoming_ok = true; if (TREE_CODE (parm) != PARM_DECL) return; @@ -9743,6 +9744,7 @@ vt_add_function_parameter (tree parm) if (!vt_get_decl_and_offset (incoming, &decl, &offset)) { + incoming_ok = false; if (MEM_P (incoming)) { /* This means argument is passed by invisible reference. */ @@ -9861,6 +9863,10 @@ vt_add_function_parameter (tree parm) { int i; + /* The following code relies on vt_get_decl_and_offset returning true for + incoming, which might not be always the case. */ + if (!incoming_ok) + return; for (i = 0; i < XVECLEN (incoming, 0); i++) { rtx reg = XEXP (XVECEXP (incoming, 0, i), 0); |