diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0209-PR-target-48723.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0209-PR-target-48723.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0209-PR-target-48723.patch b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0209-PR-target-48723.patch new file mode 100644 index 0000000000..01df534866 --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-4.6.0/gcc-4_6-branch-backports/0209-PR-target-48723.patch @@ -0,0 +1,26 @@ +From 55ec7e3af4823fc378f78e35b795af1bafcd3542 Mon Sep 17 00:00:00 2001 +From: ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Tue, 3 May 2011 07:20:30 +0000 +Subject: [PATCH] PR target/48723 + * config/i386/i386.c (ix86_expand_prologue): Do not probe the stack + for -fstack-check if the size to allocate is negative. + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@173289 138bc75d-0d04-0410-961f-82ee72b054a4 + +index 6e4bb3b..f3a8a0c 100644 +--- a/gcc/config/i386/i386.c ++++ b/gcc/config/i386/i386.c +@@ -10566,8 +10566,8 @@ ix86_expand_prologue (void) + } + + /* The stack has already been decremented by the instruction calling us +- so we need to probe unconditionally to preserve the protection area. */ +- if (flag_stack_check == STATIC_BUILTIN_STACK_CHECK) ++ so probe if the size is non-negative to preserve the protection area. */ ++ if (allocate >= 0 && flag_stack_check == STATIC_BUILTIN_STACK_CHECK) + { + /* We expect the registers to be saved when probes are used. */ + gcc_assert (int_registers_saved); +-- +1.7.0.4 + |