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| author | Andreas Krebbel <krebbel@linux.ibm.com> | 2019-07-24 11:27:56 +0000 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@gcc.gnu.org> | 2019-07-24 11:27:56 +0000 |
| commit | 4caa6bab76241bc16517bf1d1075c986d0d0b8ad (patch) | |
| tree | c2585c57177403ab03fea7af0e95aefb6d6172b4 /gcc/config/arc/builtins.def | |
| parent | 21caa1a2649d586f4f8830aba43b0c132584f2dd (diff) | |
| download | gcc-4caa6bab76241bc16517bf1d1075c986d0d0b8ad.zip gcc-4caa6bab76241bc16517bf1d1075c986d0d0b8ad.tar.gz gcc-4caa6bab76241bc16517bf1d1075c986d0d0b8ad.tar.bz2 | |
S/390: Add add/sub/mul overflow check patterns
This patch implements the addv, subv, and mulv patterns for signed
integers.
gcc/ChangeLog:
2019-07-24 Andreas Krebbel <krebbel@linux.ibm.com>
* config/s390/predicates.md (addv_const_operand): New predicate.
* config/s390/s390-modes.def (CCO): New condition code mode.
* config/s390/s390.c (s390_match_ccmode_set): Handle E_CCOmode.
(s390_branch_condition_mask): Likewise.
* config/s390/s390.md ("addv<mode>4", "subv<mode>4")
("mulv<mode>4"): New expanders.
("*addv<mode>3_ccoverflow", "*addv<mode>3_ccoverflow_const")
("*subv<mode>3_ccoverflow", "*mulv<mode>3_ccoverflow"): New
pattern definitions.
gcc/testsuite/ChangeLog:
2019-07-24 Andreas Krebbel <krebbel@linux.ibm.com>
* gcc.target/s390/addsub-signed-overflow-1.c: New test.
* gcc.target/s390/addsub-signed-overflow-2.c: New test.
* gcc.target/s390/mul-signed-overflow-1.c: New test.
* gcc.target/s390/mul-signed-overflow-2.c: New test.
From-SVN: r273759
Diffstat (limited to 'gcc/config/arc/builtins.def')
0 files changed, 0 insertions, 0 deletions