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| author | Jakub Jelinek <jakub@redhat.com> | 2018-06-15 21:34:11 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2018-06-15 21:34:11 +0200 |
| commit | cc326e85cc0a9b0076803c10151d16aea6827d7f (patch) | |
| tree | 561648f7ecffdadaef543aa751139c881c62ab41 /gcc | |
| parent | ae3ce8dc414e49a7497f9a7b4ca3426a993fa0f6 (diff) | |
| download | gcc-cc326e85cc0a9b0076803c10151d16aea6827d7f.zip gcc-cc326e85cc0a9b0076803c10151d16aea6827d7f.tar.gz gcc-cc326e85cc0a9b0076803c10151d16aea6827d7f.tar.bz2 | |
re PR middle-end/86123 (ICE in prepare_cmp_insn, at optabs.c:3967)
PR middle-end/86123
* match.pd ((X / Y) == 0 -> X < Y): Don't transform complex divisions.
Fix up comment formatting.
* gcc.c-torture/compile/pr86123.c: New test.
From-SVN: r261648
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/match.pd | 7 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/pr86123.c | 17 |
4 files changed, 32 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f8f0949..fe78b0d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2018-06-15 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/86123 + * match.pd ((X / Y) == 0 -> X < Y): Don't transform complex divisions. + Fix up comment formatting. + 2018-06-14 Jakub Jelinek <jakub@redhat.com> PR middle-end/86122 diff --git a/gcc/match.pd b/gcc/match.pd index ce97111..cb7317d 100644 --- a/gcc/match.pd +++ b/gcc/match.pd @@ -1450,14 +1450,15 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT) (op @1 { build_zero_cst (TREE_TYPE (@1)); })))) /* Transform: - * (X / Y) == 0 -> X < Y if X, Y are unsigned. - * (X / Y) != 0 -> X >= Y, if X, Y are unsigned. - */ + (X / Y) == 0 -> X < Y if X, Y are unsigned. + (X / Y) != 0 -> X >= Y, if X, Y are unsigned. */ (for cmp (eq ne) ocmp (lt ge) (simplify (cmp (trunc_div @0 @1) integer_zerop) (if (TYPE_UNSIGNED (TREE_TYPE (@0)) + /* Complex ==/!= is allowed, but not </>=. */ + && TREE_CODE (TREE_TYPE (@0)) != COMPLEX_TYPE && (VECTOR_TYPE_P (type) || !VECTOR_TYPE_P (TREE_TYPE (@0)))) (ocmp @0 @1)))) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index d2f8005..c5a5e63 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2018-06-15 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/86123 + * gcc.c-torture/compile/pr86123.c: New test. + 2018-06-15 Cesar Philippidis <cesar@codesourcery.com> Backport from mainline diff --git a/gcc/testsuite/gcc.c-torture/compile/pr86123.c b/gcc/testsuite/gcc.c-torture/compile/pr86123.c new file mode 100644 index 0000000..707e6dc --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr86123.c @@ -0,0 +1,17 @@ +/* PR middle-end/86123 */ + +int +foo (_Complex unsigned x, _Complex unsigned y) +{ + _Complex unsigned t1 = x / y; + int t2 = (t1 != 0); + return t2; +} + +int +bar (_Complex unsigned x, _Complex unsigned y) +{ + _Complex unsigned t1 = x / y; + int t2 = (t1 == 0); + return t2; +} |