patches/gcc/3.4.6/190-all_sh-pr16665-fix.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Mon Aug 23 23:18:49 2010 +0200 (2010-08-23)
changeset 2099 1bb063c8a0ca
parent 402 197e1b49586e
permissions -rw-r--r--
complibs: noone is using companion libs on the target; nuke them

As there's no longer any user of the companion libraries on the
target, nuke the build for the target.

Well, at least, there's libelf that's still needed by ltrace, so
we keep it.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
     1 diff -durN gcc-3.4.6.orig/gcc/config/sh/sh.c gcc-3.4.6/gcc/config/sh/sh.c
     2 --- gcc-3.4.6.orig/gcc/config/sh/sh.c	2004-09-03 08:51:30.000000000 +0200
     3 +++ gcc-3.4.6/gcc/config/sh/sh.c	2007-08-15 23:01:48.000000000 +0200
     4 @@ -9107,6 +9107,15 @@
     5      }
     6    this = FUNCTION_ARG (cum, Pmode, ptr_type_node, 1);
     7  
     8 +  /* In PIC case, we set PIC register to compute the target address.  We
     9 +     can use a scratch register to save and restore the original value  
    10 +     except for SHcompact.  For SHcompact, use stack.  */
    11 +  if (flag_pic && TARGET_SHCOMPACT)
    12 +    {
    13 +      push (PIC_OFFSET_TABLE_REGNUM);
    14 +      emit_insn (gen_GOTaddr2picreg ());
    15 +    }
    16 +
    17    /* For SHcompact, we only have r0 for a scratch register: r1 is the
    18       static chain pointer (even if you can't have nested virtual functions
    19       right now, someone might implement them sometime), and the rest of the
    20 @@ -9189,8 +9198,24 @@
    21        assemble_external (function);
    22        TREE_USED (function) = 1;
    23      }
    24 +  /* We can use scratch1 to save and restore the original value of
    25 +     PIC register except for SHcompact.  */
    26 +  if (flag_pic && ! TARGET_SHCOMPACT)
    27 +    {
    28 +      emit_move_insn (scratch1,
    29 +		      gen_rtx_REG (Pmode, PIC_OFFSET_TABLE_REGNUM));
    30 +      emit_insn (gen_GOTaddr2picreg ());
    31 +    }
    32    funexp = XEXP (DECL_RTL (function), 0);
    33    emit_move_insn (scratch2, funexp);
    34 +  if (flag_pic)
    35 +    {
    36 +      if (! TARGET_SHCOMPACT)
    37 +	emit_move_insn (gen_rtx_REG (Pmode, PIC_OFFSET_TABLE_REGNUM),
    38 +			scratch1);
    39 +      else
    40 +	pop (PIC_OFFSET_TABLE_REGNUM);
    41 +    }
    42    funexp = gen_rtx_MEM (FUNCTION_MODE, scratch2);
    43    sibcall = emit_call_insn (gen_sibcall (funexp, const0_rtx, NULL_RTX));
    44    SIBLING_CALL_P (sibcall) = 1;