patches/gcc/3.4.6/190-all_sh-pr16665-fix.patch
author Remy Bohmer <linux@bohmer.net>
Sun Jul 11 22:23:34 2010 +0200 (2010-07-11)
changeset 2021 3e52a1510f87
parent 402 197e1b49586e
permissions -rw-r--r--
debug/gdb: Fix compilation for Mingw hosts

GDB requires PDcurses instead of ncurses while running on Windows.
So, do not always compile ncurses in case GDB needs to build.

PDcurses is provided by an earlier build step and is not described in
this file.

Signed-off-by: Remy Bohmer <linux@bohmer.net>
[yann.morin.1998@anciense.nib.fr: we already have a way to detect ncurses usage]
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;