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| author | Jakub Jelinek <jakub@redhat.com> | 2020-04-11 07:32:12 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2020-04-11 07:34:38 +0200 |
| commit | a615ea71bc8fbf31b9bc71cb373a7ca5b9cca44a (patch) | |
| tree | f3d5b805217e1eff345f23cd6726bd9a8c06fed1 | |
| parent | 47539a4acef5853f6736952c92ce9e4785d3fde4 (diff) | |
| download | gcc-a615ea71bc8fbf31b9bc71cb373a7ca5b9cca44a.zip gcc-a615ea71bc8fbf31b9bc71cb373a7ca5b9cca44a.tar.gz gcc-a615ea71bc8fbf31b9bc71cb373a7ca5b9cca44a.tar.bz2 | |
cselib: Mark the cselib_record_sp_cfa_base_equiv VALUE as preserved [PR94551]
Sometimes the cselib_record_sp_cfa_base_equiv makes it into the var-tracking
used VALUEs and needs to be preserved.
2020-04-11 Jakub Jelinek <jakub@redhat.com>
PR debug/94495
PR target/94551
* cselib.c (cselib_record_sp_cfa_base_equiv): Set PRESERVED_VALUE_P on
val->val_rtx.
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/cselib.c | 5 |
2 files changed, 11 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 33e980b..f1a9568 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2020-04-11 Jakub Jelinek <jakub@redhat.com> + + PR debug/94495 + PR target/94551 + * cselib.c (cselib_record_sp_cfa_base_equiv): Set PRESERVED_VALUE_P on + val->val_rtx. + 2020-04-10 Thomas Schwinge <thomas@codesourcery.com> PR middle-end/89433 diff --git a/gcc/cselib.c b/gcc/cselib.c index 3692feb..53e9603 100644 --- a/gcc/cselib.c +++ b/gcc/cselib.c @@ -2695,7 +2695,10 @@ cselib_record_sp_cfa_base_equiv (HOST_WIDE_INT offset, rtx_insn *insn) = cselib_lookup_from_insn (plus_constant (Pmode, sp_derived_value, offset), Pmode, 1, VOIDmode, insn); if (val != NULL) - cselib_record_set (stack_pointer_rtx, val, NULL); + { + PRESERVED_VALUE_P (val->val_rtx) = 1; + cselib_record_set (stack_pointer_rtx, val, NULL); + } } /* Return true if V is SP_DERIVED_VALUE_P (or SP_DERIVED_VALUE_P + CONST_INT) |