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| author | Andrey Belevantsev <abel@ispras.ru> | 2016-03-21 10:52:05 +0300 |
|---|---|---|
| committer | Andrey Belevantsev <abel@gcc.gnu.org> | 2016-03-21 10:52:05 +0300 |
| commit | 8e7816b4663fa7cade055ace845703ef99451456 (patch) | |
| tree | 349a5e2622b98200a0d551a8e3fee580c88733ff /gcc | |
| parent | d816052f1740f0d0a8037b098876a4070bf27d51 (diff) | |
| download | gcc-8e7816b4663fa7cade055ace845703ef99451456.zip gcc-8e7816b4663fa7cade055ace845703ef99451456.tar.gz gcc-8e7816b4663fa7cade055ace845703ef99451456.tar.bz2 | |
re PR rtl-optimization/69102 (ICE: in move_op_ascend, at sel-sched.c:6138 with -fselective-scheduling2)
gcc/
PR rtl-optimization/69102
* sched-deps.c (sched_analyze_insn): Do not set last_args_size field
when we have a readonly dependency context.
testsuite/
PR rtl-optimization/69102
* gcc.c-torture/compile/pr69102.c: New test.
From-SVN: r234359
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/sched-deps.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/pr69102.c | 21 |
4 files changed, 34 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6f52c2d..f4431a0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2016-03-21 Andrey Belevantsev <abel@ispras.ru> + + PR rtl-optimization/69102 + * sched-deps.c (sched_analyze_insn): Do not set last_args_size field + when we have a readonly dependency context. + 2016-03-18 Jeff Law <law@redhat.com> PR rtl-optimization/70263 diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c index 5cc8e63..8f3a124 100644 --- a/gcc/sched-deps.c +++ b/gcc/sched-deps.c @@ -3495,7 +3495,8 @@ sched_analyze_insn (struct deps_desc *deps, rtx x, rtx_insn *insn) { if (deps->last_args_size) add_dependence (insn, deps->last_args_size, REG_DEP_OUTPUT); - deps->last_args_size = insn; + if (!deps->readonly) + deps->last_args_size = insn; } } diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index c043b4b..ab1b25a 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2016-03-21 Andrey Belevantsev <abel@ispras.ru> + + PR rtl-optimization/69102 + * gcc.c-torture/compile/pr69102.c: New test. + 2016-03-18 Jeff Law <law@redhat.com> PR rtl-optimization/70263 diff --git a/gcc/testsuite/gcc.c-torture/compile/pr69102.c b/gcc/testsuite/gcc.c-torture/compile/pr69102.c new file mode 100644 index 0000000..b1328ca --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr69102.c @@ -0,0 +1,21 @@ +/* { dg-options "-Og -fPIC -fschedule-insns2 -fselective-scheduling2 -fno-tree-fre --param=max-sched-extend-regions-iters=10" } */ +void bar (unsigned int); + +void +foo (void) +{ + char buf[1] = { 3 }; + const char *p = buf; + const char **q = &p; + unsigned int ch; + switch (**q) + { + case 1: ch = 5; break; + case 2: ch = 4; break; + case 3: ch = 3; break; + case 4: ch = 2; break; + case 5: ch = 1; break; + default: ch = 0; break; + } + bar (ch); +} |