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| author | Felix Fietkau <nbd@openwrt.org> | 2015-03-24 10:06:27 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2015-03-24 10:06:27 +0000 |
| commit | fc2bd072607fbe53ce14af3ac1867784f2c9a81d (patch) | |
| tree | 36dca9aa48cb1bb4d96ec787e530d77a3c5be677 /toolchain/gcc/patches/4.4.7/931-avr32_disable_shifted_data_opt.patch | |
| parent | 2450985de9b4e47c77b57c1fd9469d43d1c43636 (diff) | |
| download | mtk-20170518-fc2bd072607fbe53ce14af3ac1867784f2c9a81d.zip mtk-20170518-fc2bd072607fbe53ce14af3ac1867784f2c9a81d.tar.gz mtk-20170518-fc2bd072607fbe53ce14af3ac1867784f2c9a81d.tar.bz2 | |
gcc: remove 4.4.7 (only used by avr32)
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 44957
Diffstat (limited to 'toolchain/gcc/patches/4.4.7/931-avr32_disable_shifted_data_opt.patch')
| -rw-r--r-- | toolchain/gcc/patches/4.4.7/931-avr32_disable_shifted_data_opt.patch | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/toolchain/gcc/patches/4.4.7/931-avr32_disable_shifted_data_opt.patch b/toolchain/gcc/patches/4.4.7/931-avr32_disable_shifted_data_opt.patch deleted file mode 100644 index 2003e97..0000000 --- a/toolchain/gcc/patches/4.4.7/931-avr32_disable_shifted_data_opt.patch +++ /dev/null @@ -1,32 +0,0 @@ ---- a/gcc/config/avr32/avr32.c -+++ b/gcc/config/avr32/avr32.c -@@ -6726,7 +6726,28 @@ avr32_reorg_optimization (void) - } - } - -- if (TARGET_MD_REORG_OPTIMIZATION && (optimize_size || (optimize > 0))) -+ /* Disabled this optimization since it has a bug */ -+ /* In the case where the data instruction the shifted insn gets folded -+ * into is a branch destination, this breaks, i.e. -+ * -+ * add r8, r10, r8 << 2 -+ * 1: -+ * ld.w r11, r8[0] -+ * ... -+ * mov r8, sp -+ * rjmp 1b -+ * -+ * gets folded to: -+ * -+ * 1: -+ * ld.w r11, r10[r8 << 2] -+ * ... -+ * mov r8, sp -+ * rjmp 1b -+ * -+ * which is clearly wrong.. -+ */ -+ if (0 && TARGET_MD_REORG_OPTIMIZATION && (optimize_size || (optimize > 0))) - { - - /* Scan through all insns looking for shifted add operations */ |