X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/dbbdf96afb5abf0b7f0408d2e54db2b56a92a07d..a32bf38770a694d42d2fb763a3e54df3136ad09d:/toolchain/gcc/patches/4.3.5/948-avr32_fix_reorg_opt_bug11763.patch

diff --git a/toolchain/gcc/patches/4.3.5/948-avr32_fix_reorg_opt_bug11763.patch b/toolchain/gcc/patches/4.3.5/948-avr32_fix_reorg_opt_bug11763.patch
new file mode 100644
index 000000000..661664004
--- /dev/null
+++ b/toolchain/gcc/patches/4.3.5/948-avr32_fix_reorg_opt_bug11763.patch
@@ -0,0 +1,32 @@
+--- a/gcc/config/avr32/avr32.c
++++ b/gcc/config/avr32/avr32.c
+@@ -6501,12 +6501,23 @@ avr32_reorg_optimization (void)
+                         continue;
+ 
+ 		      set = single_set (scan);
+-		      if (set && rtx_equal_p (src_reg, SET_DEST (set)))
+-			{
+-			  link = scan;
+-			  break;
+-			}
+-
++                      // Fix for bug #11763 : the following if condition
++                      // has been modified and else part is included to 
++                      // set the link to NULL_RTX. 
++                      // if (set && rtx_equal_p (src_reg, SET_DEST (set)))
++                      if (set && (REGNO(src_reg) == REGNO(SET_DEST(set))))
++                       {
++                         if (rtx_equal_p (src_reg, SET_DEST (set)))
++			  {
++			    link = scan;
++			    break;
++                          }
++                         else
++                          {
++                            link = NULL_RTX;
++                            break;
++                          }
++                       }
+                     }
+ 
+