Third go at renaming patches to contain neither the package name nor the package version.

1 files changed, 32 insertions, 0 deletions

diff --git a/patches/gcc/3.4.6/602-arm-ldm-peephole2.patch b/patches/gcc/3.4.6/602-arm-ldm-peephole2.patch
new file mode 100644
index 0000000..395c516
--- /dev/null
+++ b/patches/gcc/3.4.6/602-arm-ldm-peephole2.patch
@@ -0,0 +1,32 @@
+diff -durN gcc-3.4.6.orig/gcc/config/arm/arm.c gcc-3.4.6/gcc/config/arm/arm.c
+--- gcc-3.4.6.orig/gcc/config/arm/arm.c	2007-08-15 22:57:51.000000000 +0200
++++ gcc-3.4.6/gcc/config/arm/arm.c	2007-08-15 22:57:51.000000000 +0200
+@@ -4572,6 +4572,10 @@
+ int
+ adjacent_mem_locations (rtx a, rtx b)
+ {
++  /* We don't guarantee to preserve the order of these memory refs.  */
++  if (volatile_refs_p (a) || volatile_refs_p (b))
++    return 0;
++
+   if ((GET_CODE (XEXP (a, 0)) == REG
+        || (GET_CODE (XEXP (a, 0)) == PLUS
+ 	   && GET_CODE (XEXP (XEXP (a, 0), 1)) == CONST_INT))
+@@ -4611,6 +4615,17 @@
+ 	return 0;
+ 
+       val_diff = val1 - val0;
++
++      if (arm_ld_sched)
++	{
++	  /* If the target has load delay slots, then there's no benefit
++	     to using an ldm instruction unless the offset is zero and
++	     we are optimizing for size.  */
++	  return (optimize_size && (REGNO (reg0) == REGNO (reg1))
++		  && (val0 == 0 || val1 == 0 || val0 == 4 || val1 == 4)
++		  && (val_diff == 4 || val_diff == -4));
++	}
++
+       return ((REGNO (reg0) == REGNO (reg1))
+ 	      && (val_diff == 4 || val_diff == -4));
+     }