* config/iq2000/iq2000.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.

	(TARGET_TRAMPOLINE_INIT): New.
	(iq2000_asm_trampoline_template, iq2000_trampoline_init): New.
	* config/iq2000/iq2000.h (TRAMPOLINE_TEMPLATE): Move code to
	iq2000_asm_trampoline_template.
	(INITIALIZE_TRAMPOLINE): Move code to iq2000_trampoline_init.
	(TRAMPOLINE_CODE_SIZE): New.
	(TRAMPOLINE_SIZE): Use it.
	(TRAMPOLINE_ALIGNMENT): Follow Pmode.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@151995 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 50 insertions, 0 deletions

diff --git a/gcc/config/iq2000/iq2000.c b/gcc/config/iq2000/iq2000.c
index 85a8e5ac9f4..2e2f29aaeb7 100644
--- a/gcc/config/iq2000/iq2000.c
+++ b/gcc/config/iq2000/iq2000.c
@@ -166,6 +166,8 @@ static int  iq2000_arg_partial_bytes  (CUMULATIVE_ARGS *, enum machine_mode,
 static void iq2000_va_start	      (tree, rtx);
 static bool iq2000_legitimate_address_p (enum machine_mode, rtx, bool);
 static bool iq2000_can_eliminate      (const int, const int);
+static void iq2000_asm_trampoline_template (FILE *);
+static void iq2000_trampoline_init    (rtx, tree, rtx);
 
 #undef  TARGET_INIT_BUILTINS
 #define TARGET_INIT_BUILTINS 		iq2000_init_builtins
@@ -218,6 +220,11 @@ static bool iq2000_can_eliminate      (const int, const int);
 #undef TARGET_CAN_ELIMINATE
 #define TARGET_CAN_ELIMINATE            iq2000_can_eliminate
 
+#undef  TARGET_ASM_TRAMPOLINE_TEMPLATE
+#define TARGET_ASM_TRAMPOLINE_TEMPLATE	iq2000_asm_trampoline_template
+#undef  TARGET_TRAMPOLINE_INIT
+#define TARGET_TRAMPOLINE_INIT		iq2000_trampoline_init
+
 struct gcc_target targetm = TARGET_INITIALIZER;
 
 /* Return nonzero if we split the address into high and low parts.  */
@@ -3410,4 +3417,47 @@ iq2000_rtx_costs (rtx x, int code, int outer_code ATTRIBUTE_UNUSED, int * total,
   return true;
 }
 
+/* Worker for TARGET_ASM_TRAMPOLINE_TEMPLATE.  */
+
+static void
+iq2000_asm_trampoline_template (FILE *f)
+{
+  fprintf (f, "\t.word\t0x03e00821\t\t# move   $1,$31\n");
+  fprintf (f, "\t.word\t0x04110001\t\t# bgezal $0,.+8\n");
+  fprintf (f, "\t.word\t0x00000000\t\t# nop\n");
+  if (Pmode == DImode)
+    {
+      fprintf (f, "\t.word\t0xdfe30014\t\t# ld     $3,20($31)\n");
+      fprintf (f, "\t.word\t0xdfe2001c\t\t# ld     $2,28($31)\n");
+    }
+  else
+    {
+      fprintf (f, "\t.word\t0x8fe30014\t\t# lw     $3,20($31)\n");
+      fprintf (f, "\t.word\t0x8fe20018\t\t# lw     $2,24($31)\n");
+    }
+  fprintf (f, "\t.word\t0x0060c821\t\t# move   $25,$3 (abicalls)\n");
+  fprintf (f, "\t.word\t0x00600008\t\t# jr     $3\n");
+  fprintf (f, "\t.word\t0x0020f821\t\t# move   $31,$1\n");
+  fprintf (f, "\t.word\t0x00000000\t\t# <function address>\n");
+  fprintf (f, "\t.word\t0x00000000\t\t# <static chain value>\n");
+}
+
+/* Worker for TARGET_TRAMPOLINE_INIT.  */
+
+static void
+iq2000_trampoline_init (rtx m_tramp, tree fndecl, rtx chain_value)
+{
+  rtx fnaddr = XEXP (DECL_RTL (fndecl), 0);
+  rtx mem;
+
+  emit_block_move (m_tramp, assemble_trampoline_template (),
+		   GEN_INT (TRAMPOLINE_CODE_SIZE), BLOCK_OP_NORMAL);
+
+  mem = adjust_address (m_tramp, Pmode, TRAMPOLINE_CODE_SIZE);
+  emit_move_insn (mem, fnaddr);
+  mem = adjust_address (m_tramp, Pmode,
+			TRAMPOLINE_CODE_SIZE + GET_MODE_SIZE (Pmode));
+  emit_move_insn (mem, chain_value);
+}
+
 #include "gt-iq2000.h"