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| author | Richard Sandiford <richard.sandiford@arm.com> | 2015-12-01 14:53:53 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2015-12-01 14:53:53 +0000 |
| commit | 6c59645f5de1af1dff9715a5bd30f21f29cf2607 (patch) | |
| tree | 6121ab77960eee153560c2f4bde6de4dece328a6 /gcc | |
| parent | 5797378aabcc51ef4de094f0160e451b45d6cfb7 (diff) | |
| download | gcc-6c59645f5de1af1dff9715a5bd30f21f29cf2607.zip gcc-6c59645f5de1af1dff9715a5bd30f21f29cf2607.tar.gz gcc-6c59645f5de1af1dff9715a5bd30f21f29cf2607.tar.bz2 | |
PR68474: Fix tree-call-cdce.c:use_internal_fn
We'd call gen_shrink_wrap_conditions for functions that it can't handle
but edom_only_function can.
Tested on x86_64-linux-gnu.
gcc/
PR tree-optimization/68474
* tree-call-cdce.c (use_internal_fn): Protect call to
gen_shrink_wrap_conditions.
gcc/testsuite/
PR tree-optimization/68474
* gcc.dg/pr68474.c: New test.
From-SVN: r231115
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr68474.c | 7 | ||||
| -rw-r--r-- | gcc/tree-call-cdce.c | 3 |
4 files changed, 20 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 10d90fe..5b631cf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2015-12-01 Richard Sandiford <richard.sandiford@arm.com> + + PR tree-optimization/68474 + * tree-call-cdce.c (use_internal_fn): Protect call to + gen_shrink_wrap_conditions. + 2015-12-01 Christian Bruel <christian.bruel@st.com> PR target/68617 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8463980..78d31ef 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2015-12-01 Richard Sandiford <richard.sandiford@arm.com> + + PR tree-optimization/68474 + * gcc.dg/pr68474.c: New test. + 2015-12-01 Christian Bruel <christian.bruel@st.com> PR target/68617 diff --git a/gcc/testsuite/gcc.dg/pr68474.c b/gcc/testsuite/gcc.dg/pr68474.c new file mode 100644 index 0000000..8ad7def --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr68474.c @@ -0,0 +1,7 @@ +/* { dg-options "-O -funsafe-math-optimizations" } */ + +long double +foo (long double d1, long double d2) +{ + return d1 || __builtin_significandl (d2); +} diff --git a/gcc/tree-call-cdce.c b/gcc/tree-call-cdce.c index 75ef180..4123130 100644 --- a/gcc/tree-call-cdce.c +++ b/gcc/tree-call-cdce.c @@ -959,7 +959,8 @@ use_internal_fn (gcall *call) { unsigned nconds = 0; auto_vec<gimple *, 12> conds; - gen_shrink_wrap_conditions (call, conds, &nconds); + if (can_test_argument_range (call)) + gen_shrink_wrap_conditions (call, conds, &nconds); if (nconds == 0 && !edom_only_function (call)) return false; |