From a28ff68b149819196a64a87f3e1b5bc3c4075632 Mon Sep 17 00:00:00 2001 From: Richard Guenther Date: Fri, 1 Jan 2010 13:56:50 +0000 Subject: [PATCH] re PR middle-end/42559 (ice in emit_block_move_hints with -O2) 2010-01-01 Richard Guenther PR middle-end/42559 * builtins.c (get_object_alignment): Do not use DECL_ALIGN for LABEL_DECLs. * gcc.c-torture/compile/pr42559.c: New testcase. From-SVN: r155554 --- gcc/ChangeLog | 6 ++++++ gcc/builtins.c | 3 ++- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.c-torture/compile/pr42559.c | 8 ++++++++ 4 files changed, 21 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.c-torture/compile/pr42559.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index af1a94f..ecb340a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2010-01-01 Richard Guenther + + PR middle-end/42559 + * builtins.c (get_object_alignment): Do not use DECL_ALIGN + for LABEL_DECLs. + 2009-12-31 Jakub Jelinek * tree-dump.c (dump_options): Don't set TDF_NOUID for all. diff --git a/gcc/builtins.c b/gcc/builtins.c index 53d74a2..d48263c 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -325,7 +325,8 @@ get_object_alignment (tree exp, unsigned int align, unsigned int max_align) } if (TREE_CODE (exp) == CONST_DECL) exp = DECL_INITIAL (exp); - if (DECL_P (exp)) + if (DECL_P (exp) + && TREE_CODE (exp) != LABEL_DECL) align = MIN (inner, DECL_ALIGN (exp)); #ifdef CONSTANT_ALIGNMENT else if (CONSTANT_CLASS_P (exp)) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 005b4ac..b1efc4c 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2010-01-01 Richard Guenther + + PR middle-end/42559 + * gcc.c-torture/compile/pr42559.c: New testcase. + 2009-12-30 Joseph Myers PR c/42439 diff --git a/gcc/testsuite/gcc.c-torture/compile/pr42559.c b/gcc/testsuite/gcc.c-torture/compile/pr42559.c new file mode 100644 index 0000000..25f7fd6 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr42559.c @@ -0,0 +1,8 @@ +void jumpfunc(int copy, void *p) +{ + void *l = &&jumplabel; + if (copy) + __builtin___memcpy_chk (p, l, 128, __builtin_object_size (p, 0)); +jumplabel: + return; +} -- 2.7.4