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| author | Jakub Jelinek <jakub@redhat.com> | 2010-11-15 23:30:15 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2010-11-15 23:30:15 +0100 |
| commit | 7a4f257ddd7903fd2553d92a4e6539d8fa6a67e5 (patch) | |
| tree | 52009d637941b6371d2d19e2fbdc4a0d8ec836e9 | |
| parent | ecbfe87a7b42248d14cd05f1dfa77a29854fc1a8 (diff) | |
| download | gcc-7a4f257ddd7903fd2553d92a4e6539d8fa6a67e5.zip gcc-7a4f257ddd7903fd2553d92a4e6539d8fa6a67e5.tar.gz gcc-7a4f257ddd7903fd2553d92a4e6539d8fa6a67e5.tar.bz2 | |
re PR tree-optimization/46461 (ICE: invalid argument to gimple call at -O with __builtin_memset())
PR tree-optimization/46461
* tree-ssa-forwprop.c (simplify_builtin_call): Ensure ptr1 is
a gimple val.
* gcc.c-torture/compile/pr46461.c: New test.
From-SVN: r166776
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/pr46461.c | 8 | ||||
| -rw-r--r-- | gcc/tree-ssa-forwprop.c | 3 |
4 files changed, 22 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5fe1966..1cd5ce6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2010-11-15 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/46461 + * tree-ssa-forwprop.c (simplify_builtin_call): Ensure ptr1 is + a gimple val. + 2010-11-15 Ian Lance Taylor <iant@google.com> * godump.c: New file. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 41eb290..aeaf08b 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2010-11-15 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/46461 + * gcc.c-torture/compile/pr46461.c: New test. + 2010-11-15 Tobias Burnus <burnus@net.b.de> PR fortran/46484 diff --git a/gcc/testsuite/gcc.c-torture/compile/pr46461.c b/gcc/testsuite/gcc.c-torture/compile/pr46461.c new file mode 100644 index 0000000..7e38598 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr46461.c @@ -0,0 +1,8 @@ +/* PR tree-optimization/46461 */ + +void +foo (char *c) +{ + c[7] = 0xff; + __builtin_memset (c + 8, 0xff, 8); +} diff --git a/gcc/tree-ssa-forwprop.c b/gcc/tree-ssa-forwprop.c index 7e7e2b1..f68395a 100644 --- a/gcc/tree-ssa-forwprop.c +++ b/gcc/tree-ssa-forwprop.c @@ -1594,6 +1594,9 @@ simplify_builtin_call (gimple_stmt_iterator *gsi_p, tree callee2) memcpy call. */ gimple_stmt_iterator gsi = gsi_for_stmt (stmt1); + if (!is_gimple_val (ptr1)) + ptr1 = force_gimple_operand_gsi (gsi_p, ptr1, true, NULL_TREE, + true, GSI_SAME_STMT); gimple_call_set_fndecl (stmt2, built_in_decls [BUILT_IN_MEMCPY]); gimple_call_set_arg (stmt2, 0, ptr1); gimple_call_set_arg (stmt2, 1, new_str_cst); |