diff options
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 2003e97ae0..0000000000 --- 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 */ |