patches/gcc/3.4.6/601-gcc34-arm-ldm-peephole2.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Tue May 20 21:32:39 2008 +0000 (2008-05-20)
changeset 523 010f6f4e4dd6
permissions -rw-r--r--
Get rid of all `command` (which is a bashism), and replace them with $(command), which is POSIX.
Get rid of all remaining \"text\" in log messages and replace them with 'text'.
Optimise the progress bar, should go un-noticed at log level DEBUG and below.

/trunk/scripts/build/tools/200-sstrip.sh | 16 8 8 0 ++--
/trunk/scripts/build/libc_glibc.sh | 50 25 25 0 +++++++-------
/trunk/scripts/build/libc_uClibc.sh | 4 2 2 0
/trunk/scripts/build/debug/100-dmalloc.sh | 2 1 1 0
/trunk/scripts/build/debug/400-ltrace.sh | 2 1 1 0
/trunk/scripts/build/debug/300-gdb.sh | 8 4 4 0 +-
/trunk/scripts/build/debug/200-duma.sh | 6 3 3 0 +-
/trunk/scripts/build/kernel_linux.sh | 30 15 15 0 ++++----
/trunk/scripts/build/cc_gcc.sh | 14 7 7 0 ++--
/trunk/scripts/crosstool.sh | 54 27 27 0 ++++++++--------
/trunk/scripts/functions | 128 64 64 0 ++++++++++++++++++------------------
/trunk/scripts/saveSample.sh | 4 2 2 0
/trunk/scripts/tarball.sh.broken | 20 10 10 0 +++---
/trunk/tools/addToolVersion.sh | 8 4 4 0 +-
/trunk/tools/populate.in | 18 9 9 0 ++--
15 files changed, 182 insertions(+), 182 deletions(-)
     1 diff -durN gcc-3.4.6.orig/gcc/config/arm/arm.c gcc-3.4.6/gcc/config/arm/arm.c
     2 --- gcc-3.4.6.orig/gcc/config/arm/arm.c	2007-08-15 22:57:51.000000000 +0200
     3 +++ gcc-3.4.6/gcc/config/arm/arm.c	2007-08-15 22:57:51.000000000 +0200
     4 @@ -4572,6 +4572,10 @@
     5  int
     6  adjacent_mem_locations (rtx a, rtx b)
     7  {
     8 +  /* We don't guarantee to preserve the order of these memory refs.  */
     9 +  if (volatile_refs_p (a) || volatile_refs_p (b))
    10 +    return 0;
    11 +
    12    if ((GET_CODE (XEXP (a, 0)) == REG
    13         || (GET_CODE (XEXP (a, 0)) == PLUS
    14  	   && GET_CODE (XEXP (XEXP (a, 0), 1)) == CONST_INT))
    15 @@ -4611,6 +4615,17 @@
    16  	return 0;
    17  
    18        val_diff = val1 - val0;
    19 +
    20 +      if (arm_ld_sched)
    21 +	{
    22 +	  /* If the target has load delay slots, then there's no benefit
    23 +	     to using an ldm instruction unless the offset is zero and
    24 +	     we are optimizing for size.  */
    25 +	  return (optimize_size && (REGNO (reg0) == REGNO (reg1))
    26 +		  && (val0 == 0 || val1 == 0 || val0 == 4 || val1 == 4)
    27 +		  && (val_diff == 4 || val_diff == -4));
    28 +	}
    29 +
    30        return ((REGNO (reg0) == REGNO (reg1))
    31  	      && (val_diff == 4 || val_diff == -4));
    32      }