diff options
| -rw-r--r-- | toolchain/gcc/patches/linaro/860-disable_extension_elimination.patch | 11 | ||||
| -rw-r--r-- | toolchain/gcc/patches/linaro/860-fix_extension_elimination.patch | 18 |
2 files changed, 18 insertions, 11 deletions
diff --git a/toolchain/gcc/patches/linaro/860-disable_extension_elimination.patch b/toolchain/gcc/patches/linaro/860-disable_extension_elimination.patch deleted file mode 100644 index 7edc0ab..0000000 --- a/toolchain/gcc/patches/linaro/860-disable_extension_elimination.patch +++ /dev/null @@ -1,11 +0,0 @@ ---- a/gcc/opts.c -+++ b/gcc/opts.c -@@ -906,7 +906,7 @@ decode_options (unsigned int argc, const - flag_tree_if_to_switch_conversion = opt2; - flag_ipa_cp = opt2; - flag_ipa_sra = opt2; -- flag_ee = opt2; -+ flag_ee = 0; - - /* Track fields in field-sensitive alias analysis. */ - set_param_value ("max-fields-for-field-sensitive", diff --git a/toolchain/gcc/patches/linaro/860-fix_extension_elimination.patch b/toolchain/gcc/patches/linaro/860-fix_extension_elimination.patch new file mode 100644 index 0000000..387e02a --- /dev/null +++ b/toolchain/gcc/patches/linaro/860-fix_extension_elimination.patch @@ -0,0 +1,18 @@ +https://bugs.launchpad.net/gcc-linaro/+bug/728315 +https://lists.openwrt.org/pipermail/openwrt-devel/2011-March/009847.html + +--- a/gcc/ee.c ++++ b/gcc/ee.c +@@ -209,7 +209,11 @@ + + *regno = REGNO (reg); + +- if (paradoxical_subreg_p (use)) ++ /* Non-paradoxical SUBREGs of promoted vars guarantee that the ++ upper (elided) bits of the inner register have a particular value. ++ For our purposes, such SUBREGs act as a full reference to the ++ inner register. */ ++ if (paradoxical_subreg_p (use) || SUBREG_PROMOTED_VAR_P (use)) + *size = GET_MODE_BITSIZE (GET_MODE (reg)); + else + *size = subreg_lsb (use) + GET_MODE_BITSIZE (GET_MODE (use)); |