[toolchain/gcc/4.4]: upgrade to gcc 4.4.7

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31230 3c298f89-4303-0410-b956-a3cf2f4a3e73
2025-04-21 12:27:27 +03:00 · 2012-04-09 17:00:03 +00:00
parent 8007d3bd97
commit 7a2d11b187
17 changed files with 11 additions and 11 deletions
--- 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
@@ -0,0 +1,32 @@
+--- 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 */