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[AArch64] Use helper functions to handle multiple modes. 

From-SVN: r212954
This commit is contained in:
Jiong Wang 2014-07-23 16:17:08 +00:00 committed by Marcus Shawcroft
parent 64dedd72f6
commit 72df5c1f62
2 changed files with 45 additions and 4 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
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.

42
gcc/config/aarch64/aarch64.c
View File

@ -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);
}