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| author | Daniel Engberg <daniel.engberg.lists@pyret.net> | 2019-02-27 10:26:53 +0000 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2019-03-20 18:23:39 +0100 |
| commit | 075c76ea67d11c3d1b0566dd4ba781e015a11cc9 (patch) | |
| tree | 90dac2ef1bd2e609090ad8435a2147cef87beb43 /toolchain/gcc/patches/arc-2017.09-release/800-arm_v5te_no_ldrd_strd.patch | |
| parent | 343b36ffc79f9506586b5263b5d840dce0d801e0 (diff) | |
| download | upstream-075c76ea67d11c3d1b0566dd4ba781e015a11cc9.tar.gz upstream-075c76ea67d11c3d1b0566dd4ba781e015a11cc9.tar.bz2 upstream-075c76ea67d11c3d1b0566dd4ba781e015a11cc9.zip | |
toolchain: Remove GCC 7.1 for ARC targets
Remove GCC 7.1 for ARC targets
Signed-off-by: Daniel Engberg <daniel.engberg.lists@pyret.net>
Diffstat (limited to 'toolchain/gcc/patches/arc-2017.09-release/800-arm_v5te_no_ldrd_strd.patch')
| -rw-r--r-- | toolchain/gcc/patches/arc-2017.09-release/800-arm_v5te_no_ldrd_strd.patch | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/toolchain/gcc/patches/arc-2017.09-release/800-arm_v5te_no_ldrd_strd.patch b/toolchain/gcc/patches/arc-2017.09-release/800-arm_v5te_no_ldrd_strd.patch deleted file mode 100644 index 76200a1661..0000000000 --- a/toolchain/gcc/patches/arc-2017.09-release/800-arm_v5te_no_ldrd_strd.patch +++ /dev/null @@ -1,32 +0,0 @@ -commit b050f87d13b5dc7ed82feb9a90f4529de58bdf25 -Author: Felix Fietkau <nbd@openwrt.org> -Date: Wed Feb 19 19:20:10 2014 +0000 - - gcc: prevent the use of LDRD/STRD on ARMv5TE - - These instructions are for 64-bit load/store. On ARMv5TE, the CPU - requires addresses to be aligned to 64-bit. When misaligned, behavior is - undefined (effectively either loads the same word twice on LDRD, or - corrupts surrounding memory on STRD). - - On ARMv6 and newer, unaligned access is safe. - - Removing these instructions for ARMv5TE is necessary, because GCC - ignores alignment information in pointers and does unsafe optimizations - that have shown up as bugs in various places. - - Signed-off-by: Felix Fietkau <nbd@openwrt.org> - - SVN-Revision: 39638 - ---- a/gcc/config/arm/arm.h -+++ b/gcc/config/arm/arm.h -@@ -150,7 +150,7 @@ extern tree arm_fp16_type_node; - /* Thumb-1 only. */ - #define TARGET_THUMB1_ONLY (TARGET_THUMB1 && !arm_arch_notm) - --#define TARGET_LDRD (arm_arch5e && ARM_DOUBLEWORD_ALIGN \ -+#define TARGET_LDRD (arm_arch6 && ARM_DOUBLEWORD_ALIGN \ - && !TARGET_THUMB1) - - #define TARGET_CRC32 (arm_arch_crc) |