You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
1.6 KiB
Diff
44 lines
1.6 KiB
Diff
--- gcc/gcc/config/sh/sh.c
|
|
+++ gcc/gcc/config/sh/sh.c
|
|
@@ -9106,6 +9106,15 @@ sh_output_mi_thunk (FILE *file, tree thu
|
|
}
|
|
this = FUNCTION_ARG (cum, Pmode, ptr_type_node, 1);
|
|
|
|
+ /* In PIC case, we set PIC register to compute the target address. We
|
|
+ can use a scratch register to save and restore the original value
|
|
+ except for SHcompact. For SHcompact, use stack. */
|
|
+ if (flag_pic && TARGET_SHCOMPACT)
|
|
+ {
|
|
+ push (PIC_OFFSET_TABLE_REGNUM);
|
|
+ emit_insn (gen_GOTaddr2picreg ());
|
|
+ }
|
|
+
|
|
/* For SHcompact, we only have r0 for a scratch register: r1 is the
|
|
static chain pointer (even if you can't have nested virtual functions
|
|
right now, someone might implement them sometime), and the rest of the
|
|
@@ -9188,8 +9197,24 @@ sh_output_mi_thunk (FILE *file, tree thu
|
|
assemble_external (function);
|
|
TREE_USED (function) = 1;
|
|
}
|
|
+ /* We can use scratch1 to save and restore the original value of
|
|
+ PIC register except for SHcompact. */
|
|
+ if (flag_pic && ! TARGET_SHCOMPACT)
|
|
+ {
|
|
+ emit_move_insn (scratch1,
|
|
+ gen_rtx_REG (Pmode, PIC_OFFSET_TABLE_REGNUM));
|
|
+ emit_insn (gen_GOTaddr2picreg ());
|
|
+ }
|
|
funexp = XEXP (DECL_RTL (function), 0);
|
|
emit_move_insn (scratch2, funexp);
|
|
+ if (flag_pic)
|
|
+ {
|
|
+ if (! TARGET_SHCOMPACT)
|
|
+ emit_move_insn (gen_rtx_REG (Pmode, PIC_OFFSET_TABLE_REGNUM),
|
|
+ scratch1);
|
|
+ else
|
|
+ pop (PIC_OFFSET_TABLE_REGNUM);
|
|
+ }
|
|
funexp = gen_rtx_MEM (FUNCTION_MODE, scratch2);
|
|
sibcall = emit_call_insn (gen_sibcall (funexp, const0_rtx, NULL_RTX));
|
|
SIBLING_CALL_P (sibcall) = 1;
|