[AArch64] Use helper functions to handle multiple modes.

From-SVN: r212954

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0a3f477..2900bc6 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,12 @@
 2014-07-23  Jiong Wang  <jiong.wang@arm.com>
 
+       * config/aarch64/aarch64.c (aarch64_gen_load_pair)
+       (aarch64_gen_store_pair): New helper function.
+       (aarch64_save_or_restore_callee_save_registers)
+       (aarch64_save_or_restore_fprs): Use new helper functions.
+
+2014-07-23  Jiong Wang  <jiong.wang@arm.com>
+
        * config/aarch64/aarch64.c (aarch64_next_callee_save): New function.
        (aarch64_save_or_restore_callee_save_registers)
        (aarch64_save_or_restore_fprs): Use aarch64_next_callee_save.

diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c
index 681dbe4..21745a0 100644 (file)
--- a/gcc/config/aarch64/aarch64.c
+++ b/gcc/config/aarch64/aarch64.c
@@ -1916,6 +1916,40 @@ aarch64_next_callee_save (unsigned regno, unsigned limit)
   return regno;
 }
 
+static rtx
+aarch64_gen_store_pair (enum machine_mode mode, rtx mem1, rtx reg1, rtx mem2,
+                       rtx reg2)
+{
+  switch (mode)
+    {
+    case DImode:
+      return gen_store_pairdi (mem1, reg1, mem2, reg2);
+
+    case DFmode:
+      return gen_store_pairdf (mem1, reg1, mem2, reg2);
+
+    default:
+      gcc_unreachable ();
+    }
+}
+
+static rtx
+aarch64_gen_load_pair (enum machine_mode mode, rtx reg1, rtx mem1, rtx reg2,
+                      rtx mem2)
+{
+  switch (mode)
+    {
+    case DImode:
+      return gen_load_pairdi (reg1, mem1, reg2, mem2);
+
+    case DFmode:
+      return gen_load_pairdf (reg1, mem1, reg2, mem2);
+
+    default:
+      gcc_unreachable ();
+    }
+}
+
 static void
 aarch64_save_or_restore_fprs (HOST_WIDE_INT start_offset, bool restore)
 {
@@ -1949,10 +1983,10 @@ aarch64_save_or_restore_fprs (HOST_WIDE_INT start_offset, bool restore)
          mem2 = gen_mem_ref (DFmode,
                              plus_constant (Pmode, stack_pointer_rtx, offset));
          if (restore == false)
-           insn = emit_insn (gen_store_pairdf (mem, reg, mem2, reg2));
+           insn = emit_insn (aarch64_gen_store_pair (DFmode, mem, reg, mem2, reg2));
          else
            {
-             insn = emit_insn (gen_load_pairdf (reg, mem, reg2, mem2));
+             insn = emit_insn (aarch64_gen_load_pair (DFmode, reg, mem, reg2, mem2));
              add_reg_note (insn, REG_CFA_RESTORE, reg);
              add_reg_note (insn, REG_CFA_RESTORE, reg2);
            }
@@ -2018,10 +2052,10 @@ aarch64_save_or_restore_callee_save_registers (HOST_WIDE_INT start_offset,
          mem2 = gen_mem_ref (Pmode,
                              plus_constant (Pmode, stack_pointer_rtx, offset));
          if (restore == false)
-           insn = emit_insn (gen_store_pairdi (mem, reg, mem2, reg2));
+           insn = emit_insn (aarch64_gen_store_pair (DImode, mem, reg, mem2, reg2));
          else
            {
-             insn = emit_insn (gen_load_pairdi (reg, mem, reg2, mem2));
+             insn = emit_insn (aarch64_gen_load_pair (DImode, reg, mem, reg2, mem2));
              add_reg_note (insn, REG_CFA_RESTORE, reg);
              add_reg_note (insn, REG_CFA_RESTORE, reg2);
            }