===================================================================
@@ -1,3 +1,12 @@
+2017-08-14 Sebastian Perta <sebastian.perta@renesas.com>
+
+changed long long addition for RL78
+* gcc/config/rl78/rl78.c (rl78_emit_libcall): new function.
+* gcc/config/rl78/rl78-protos.h (rl78_emit_libcall): new function.
+* gcc/config/rl78/rl78.md: new define_expand "adddi3".
+* libgcc/config/rl78/adddi3.S: new assembly file.
+* libgcc/config/rl78/t-rl78: added adddi3.S to LIB2ADD.
+
2017-08-14 Bin Cheng <bin.cheng@arm.com>
PR tree-optimization/81799
===================================================================
@@ -56,3 +56,13 @@
int, int, int);
intrl78_one_far_p (rtx *operands, int num_operands);
+
+#ifdef RTX_CODE
+#ifdef HAVE_MACHINE_MODES
+
+rtx rl78_emit_libcall (const char*, enum rtx_code,
+ enum machine_mode, enum machine_mode,
+ int, rtx*);
+
+#endif
+#endif
===================================================================
@@ -4791,4 +4791,43 @@
struct gcc_target targetm = TARGET_INITIALIZER;
+rtx
+rl78_emit_libcall (const char *name, enum rtx_code code,
+ enum machine_mode dmode, enum machine_mode smode,
+ int noperands, rtx *operands)
+{
+ rtx ret;
+ rtx_insn *insns;
+ rtx libcall;
+ rtx equiv;
+
+ start_sequence ();
+ libcall = gen_rtx_SYMBOL_REF (Pmode, name);
+
+ switch (noperands)
+ {
+ case 2:
+ ret = emit_library_call_value (libcall, NULL_RTX, LCT_CONST,
+ dmode, 1, operands[1], smode);
+ equiv = gen_rtx_fmt_e (code, dmode, operands[1]);
+ break;
+
+ case 3:
+ ret = emit_library_call_value (libcall, NULL_RTX,
+ LCT_CONST, dmode, 2,
+ operands[1], smode, operands[2],
+ smode);
+ equiv = gen_rtx_fmt_ee (code, dmode, operands[1], operands[2]);
+ break;
+
+ default:
+ gcc_unreachable ();
+ }
+
+ insns = get_insns ();
+ end_sequence ();
+ emit_libcall_block (insns, operands[0], ret, equiv);
+ return ret;
+}
+
#include "gt-rl78.h"
===================================================================
@@ -224,6 +224,16 @@
DONE;"
)
+(define_expand "adddi3"
+ [(set (match_operand:DI 0 "nonimmediate_operand" "")
+ (plus:DI (match_operand:DI 1 "general_operand" "")
+ (match_operand:DI 2 "general_operand" "")))
+ ]
+ ""
+ "rl78_emit_libcall (\"__adddi3\", PLUS, DImode, DImode, 3, operands);
+ DONE;"
+)
+
(define_insn "addsi3_internal_virt"
[(set (match_operand:SI 0 "nonimmediate_operand" "=v,&vm, vm")
(plus:SI (match_operand:SI 1 "general_operand" "0, vim, vim")
===================================================================
@@ -0,0 +1,58 @@
+; Copyright (C) 2017 Free Software Foundation, Inc.
+; Contributed by Sebastian Perta.
+;
+; This file is free software; you can redistribute it and/or modify it
+; under the terms of the GNU General Public License as published by the
+; Free Software Foundation; either version 3, or (at your option) any
+; later version.
+;
+; This file is distributed in the hope that it will be useful, but
+; WITHOUT ANY WARRANTY; without even the implied warranty of
+; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+; General Public License for more details.
+;
+; Under Section 7 of GPL version 3, you are granted additional
+; permissions described in the GCC Runtime Library Exception, version
+; 3.1, as published by the Free Software Foundation.
+;
+; You should have received a copy of the GNU General Public License and
+; a copy of the GCC Runtime Library Exception along with this program;
+; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+; <http://www.gnu.org/licenses/>.
+
+
+#include "vregs.h"
+
+ .text
+
+START_FUNC ___adddi3
+
+ movw hl, sp ; use HL-based addressing (allows for direct addw)
+
+ movw ax, [hl+4]
+ addw ax, [hl+12]
+ movw r8, ax
+
+ mov a, [hl+6] ; middle bytes of the result are determined using 8-bit
+ addc a, [hl+14] ; ADDC insns which both account for and update the carry bit
+ mov r10, a ; (no ADDWC instruction is available)
+ mov a, [hl+7]
+ addc a, [hl+15]
+ mov r11, a
+
+ mov a, [hl+8]
+ addc a, [hl+16]
+ mov r12, a
+ mov a, [hl+9]
+ addc a, [hl+17]
+ mov r13, a
+
+ movw ax, [hl+10]
+ sknc ; account for the possible carry from the
+ incw ax ; latest 8-bit operation
+ addw ax, [hl+18]
+ movw r14, ax
+
+ ret
+
+END_FUNC ___adddi3
===================================================================
@@ -30,7 +30,8 @@
$(srcdir)/config/rl78/bit-count.S \
$(srcdir)/config/rl78/fpbit-sf.S \
$(srcdir)/config/rl78/fpmath-sf.S \
-$(srcdir)/config/rl78/cmpsi2.S
+$(srcdir)/config/rl78/cmpsi2.S \
+$(srcdir)/config/rl78/adddi3.S
LIB2FUNCS_EXCLUDE = _clzhi2 _clzsi2 _ctzhi2 _ctzsi2 \
_popcounthi2 _popcountsi2 \