diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0277-2011-05-18-Richard-Guenther-rguenther-suse.de.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0277-2011-05-18-Richard-Guenther-rguenther-suse.de.patch | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0277-2011-05-18-Richard-Guenther-rguenther-suse.de.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0277-2011-05-18-Richard-Guenther-rguenther-suse.de.patch new file mode 100644 index 000000000..faa5a0523 --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0277-2011-05-18-Richard-Guenther-rguenther-suse.de.patch @@ -0,0 +1,81 @@ +From 0394622853ff7c35417625979782f19fa3682122 Mon Sep 17 00:00:00 2001 +From: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Wed, 18 May 2011 13:33:53 +0000 +Subject: [PATCH] 2011-05-18 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/49018 + * gimple.c (gimple_has_side_effects): Volatile asms have side-effects. + * tree-ssa-ifcombine.c (bb_no_side_effects_p): Use + gimple_has_side_effects. + + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@173862 138bc75d-0d04-0410-961f-82ee72b054a4 + +index 9a94f06..233a4f5 100644 +--- a/gcc/gimple.c ++++ b/gcc/gimple.c +@@ -2286,6 +2286,10 @@ gimple_has_side_effects (const_gimple s) + if (gimple_has_volatile_ops (s)) + return true; + ++ if (gimple_code (s) == GIMPLE_ASM ++ && gimple_asm_volatile_p (s)) ++ return true; ++ + if (is_gimple_call (s)) + { + unsigned nargs = gimple_call_num_args (s); +@@ -2299,7 +2303,7 @@ gimple_has_side_effects (const_gimple s) + if (gimple_call_lhs (s) + && TREE_SIDE_EFFECTS (gimple_call_lhs (s))) + { +- gcc_assert (gimple_has_volatile_ops (s)); ++ gcc_checking_assert (gimple_has_volatile_ops (s)); + return true; + } + +@@ -2309,7 +2313,7 @@ gimple_has_side_effects (const_gimple s) + for (i = 0; i < nargs; i++) + if (TREE_SIDE_EFFECTS (gimple_call_arg (s, i))) + { +- gcc_assert (gimple_has_volatile_ops (s)); ++ gcc_checking_assert (gimple_has_volatile_ops (s)); + return true; + } + +@@ -2318,11 +2322,14 @@ gimple_has_side_effects (const_gimple s) + else + { + for (i = 0; i < gimple_num_ops (s); i++) +- if (TREE_SIDE_EFFECTS (gimple_op (s, i))) +- { +- gcc_assert (gimple_has_volatile_ops (s)); +- return true; +- } ++ { ++ tree op = gimple_op (s, i); ++ if (op && TREE_SIDE_EFFECTS (op)) ++ { ++ gcc_checking_assert (gimple_has_volatile_ops (s)); ++ return true; ++ } ++ } + } + + return false; +diff --git a/gcc/tree-ssa-ifcombine.c b/gcc/tree-ssa-ifcombine.c +index bc551b2..e23bb76 100644 +--- a/gcc/tree-ssa-ifcombine.c ++++ b/gcc/tree-ssa-ifcombine.c +@@ -107,7 +107,7 @@ bb_no_side_effects_p (basic_block bb) + { + gimple stmt = gsi_stmt (gsi); + +- if (gimple_has_volatile_ops (stmt) ++ if (gimple_has_side_effects (stmt) + || gimple_vuse (stmt)) + return false; + } +-- +1.7.0.4 + |