From: Imre Kaloz <kaloz@openwrt.org>
Date: Wed, 16 Feb 2011 15:26:08 +0000 (+0000)
Subject: additional avr32 fixes
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=667ac6c97025853f76a2f42ac259487249454247;p=openwrt%2Fstaging%2Fyousong.git

additional avr32 fixes

SVN-Revision: 25556
---

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 0000000000..6616640045
--- /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;
++                          }
++                       }
+                     }
+ 
+ 
diff --git a/toolchain/gcc/patches/4.3.5/949-avr32_nan_by_zero_div.patch b/toolchain/gcc/patches/4.3.5/949-avr32_nan_by_zero_div.patch
new file mode 100644
index 0000000000..c5f880668a
--- /dev/null
+++ b/toolchain/gcc/patches/4.3.5/949-avr32_nan_by_zero_div.patch
@@ -0,0 +1,15 @@
+--- a/gcc/config/avr32/lib1funcs.S
++++ b/gcc/config/avr32/lib1funcs.S
+@@ -1852,7 +1852,11 @@ __avr32_f64_div_res_subnormal:/* Divide
+         mov     r10, 0
+         ldm     sp++, r0, r1, r2, r3, r4, r5, r6, r7,pc
+         
+-17:     /* Return INF. */
++17:     
++        /* Check if op1 is zero. */
++        or      r4, r10, r11
++        breq    __avr32_f64_div_op1_zero
++        /* Return INF. */
+         mov     r11, lr /*Get correct sign*/
+         andh    r11, 0x8000, COH
+         orh     r11, 0x7ff0