diff options
Diffstat (limited to 'meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99391.patch')
| -rw-r--r-- | meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99391.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99391.patch b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99391.patch new file mode 100644 index 0000000000..31122e34be --- /dev/null +++ b/meta-oe/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99391.patch @@ -0,0 +1,43 @@ +2010-09-08 Tom de Vries <tom@codesourcery.com> + + gcc/ + * gcc/emit-rtl.c (set_mem_attributes_minus_bitpos): Set MEM_READONLY_P + for static const strings. + * gcc/testsuite/gcc.dg/memcpy-3.c: New test. + + 2010-09-13 Andrew Stubbs <ams@codesourcery.com> + + gcc/ + +=== modified file 'gcc/emit-rtl.c' +--- old/gcc/emit-rtl.c 2009-11-27 12:00:28 +0000 ++++ new/gcc/emit-rtl.c 2010-09-15 16:40:06 +0000 +@@ -1648,6 +1648,11 @@ + MEM_READONLY_P (ref) = 1; + } + ++ /* Mark static const strings readonly as well. */ ++ if (base && TREE_CODE (base) == STRING_CST && TREE_READONLY (base) ++ && TREE_STATIC (base)) ++ MEM_READONLY_P (ref) = 1; ++ + /* If this expression uses it's parent's alias set, mark it such + that we won't change it. */ + if (component_uses_parent_alias_set (t)) + +=== added file 'gcc/testsuite/gcc.dg/memcpy-3.c' +--- old/gcc/testsuite/gcc.dg/memcpy-3.c 1970-01-01 00:00:00 +0000 ++++ new/gcc/testsuite/gcc.dg/memcpy-3.c 2010-09-15 16:40:06 +0000 +@@ -0,0 +1,11 @@ ++/* { dg-do compile } */ ++/* { dg-options "-O2 -fdump-rtl-expand" } */ ++ ++void ++f1 (char *p) ++{ ++ __builtin_memcpy (p, "123", 3); ++} ++ ++/* { dg-final { scan-rtl-dump-times "mem/s/u:" 3 "expand" { target mips*-*-* } } } */ ++/* { dg-final { cleanup-rtl-dump "expand" } } */ + |