diff options
Diffstat (limited to 'toolchain/gcc/3.4.4/601-gcc34-arm-ldm-peephole2.patch')
| -rw-r--r-- | toolchain/gcc/3.4.4/601-gcc34-arm-ldm-peephole2.patch | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/toolchain/gcc/3.4.4/601-gcc34-arm-ldm-peephole2.patch b/toolchain/gcc/3.4.4/601-gcc34-arm-ldm-peephole2.patch deleted file mode 100644 index 27f7c07db..000000000 --- a/toolchain/gcc/3.4.4/601-gcc34-arm-ldm-peephole2.patch +++ /dev/null @@ -1,42 +0,0 @@ -The 30_all_gcc34-arm-ldm-peephole.patch from Debian was conflicting -with the newer 36_all_pr16201-fix.patch, so i cut out the hunk from -it that was causing problems and grabbed an updated version from -upstream cvs. - -Index: gcc/config/arm/arm.c -=================================================================== -RCS file: /cvsroot/gcc/gcc/gcc/config/arm/arm.c,v -retrieving revision 1.432 -retrieving revision 1.433 -diff -u -r1.432 -r1.433 ---- gcc-3.4.4/gcc/config/arm/arm.c 29 Mar 2005 03:00:23 -0000 1.432 -+++ gcc-3.4.4/gcc/config/arm/arm.c 1 Apr 2005 11:02:22 -0000 1.433 -@@ -5139,6 +5139,10 @@ - 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)) -@@ -5178,6 +5182,17 @@ - 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)); - } |