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[Bug target/79895] ICE in extract_constrain_insn, at recog.c:2213
- From: "krebbel at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 25 Apr 2017 07:42:13 +0000
- Subject: [Bug target/79895] ICE in extract_constrain_insn, at recog.c:2213
- Auto-submitted: auto-generated
- References: <bug-79895-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79895
--- Comment #2 from Andreas Krebbel <krebbel at gcc dot gnu.org> ---
Author: krebbel
Date: Tue Apr 25 07:41:41 2017
New Revision: 247133
URL: https://gcc.gnu.org/viewcvs?rev=247133&root=gcc&view=rev
Log:
S/390: PR79895: Fix TImode constant handling
The P constraint letter is supposed to match every constant which is
acceptable during reload. However, constraints do not appear to be
able to handle const_wide_int yet. It works with predicates so the
alternative is modelled with a new predicate now.
gcc/ChangeLog:
2017-04-25 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
PR target/79895
* config/s390/predicates.md (reload_const_wide_int_operand): New
predicate.
* config/s390/s390.md ("movti"): Remove d/P alternative.
("movti_bigconst"): New pattern definition.
gcc/testsuite/ChangeLog:
2017-04-25 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
PR target/79895
* gcc.target/s390/pr79895.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/s390/pr79895.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/s390/predicates.md
trunk/gcc/config/s390/s390.md
trunk/gcc/testsuite/ChangeLog