1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/patches/gcc/3.4.6/190-all_sh-pr16665-fix.patch Tue Sep 23 14:48:10 2008 +0000
1.3 @@ -0,0 +1,44 @@
1.4 +diff -durN gcc-3.4.6.orig/gcc/config/sh/sh.c gcc-3.4.6/gcc/config/sh/sh.c
1.5 +--- gcc-3.4.6.orig/gcc/config/sh/sh.c 2004-09-03 08:51:30.000000000 +0200
1.6 ++++ gcc-3.4.6/gcc/config/sh/sh.c 2007-08-15 23:01:48.000000000 +0200
1.7 +@@ -9107,6 +9107,15 @@
1.8 + }
1.9 + this = FUNCTION_ARG (cum, Pmode, ptr_type_node, 1);
1.10 +
1.11 ++ /* In PIC case, we set PIC register to compute the target address. We
1.12 ++ can use a scratch register to save and restore the original value
1.13 ++ except for SHcompact. For SHcompact, use stack. */
1.14 ++ if (flag_pic && TARGET_SHCOMPACT)
1.15 ++ {
1.16 ++ push (PIC_OFFSET_TABLE_REGNUM);
1.17 ++ emit_insn (gen_GOTaddr2picreg ());
1.18 ++ }
1.19 ++
1.20 + /* For SHcompact, we only have r0 for a scratch register: r1 is the
1.21 + static chain pointer (even if you can't have nested virtual functions
1.22 + right now, someone might implement them sometime), and the rest of the
1.23 +@@ -9189,8 +9198,24 @@
1.24 + assemble_external (function);
1.25 + TREE_USED (function) = 1;
1.26 + }
1.27 ++ /* We can use scratch1 to save and restore the original value of
1.28 ++ PIC register except for SHcompact. */
1.29 ++ if (flag_pic && ! TARGET_SHCOMPACT)
1.30 ++ {
1.31 ++ emit_move_insn (scratch1,
1.32 ++ gen_rtx_REG (Pmode, PIC_OFFSET_TABLE_REGNUM));
1.33 ++ emit_insn (gen_GOTaddr2picreg ());
1.34 ++ }
1.35 + funexp = XEXP (DECL_RTL (function), 0);
1.36 + emit_move_insn (scratch2, funexp);
1.37 ++ if (flag_pic)
1.38 ++ {
1.39 ++ if (! TARGET_SHCOMPACT)
1.40 ++ emit_move_insn (gen_rtx_REG (Pmode, PIC_OFFSET_TABLE_REGNUM),
1.41 ++ scratch1);
1.42 ++ else
1.43 ++ pop (PIC_OFFSET_TABLE_REGNUM);
1.44 ++ }
1.45 + funexp = gen_rtx_MEM (FUNCTION_MODE, scratch2);
1.46 + sibcall = emit_call_insn (gen_sibcall (funexp, const0_rtx, NULL_RTX));
1.47 + SIBLING_CALL_P (sibcall) = 1;