rl78.md: New define_expand "subdi3".
* config/rl78/rl78.md: New define_expand "subdi3". * config/rl78/subdi3.S: New assembly file. * config/rl78/t-rl78: Added subdi3.S to LIB2ADD. From-SVN: r254019
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2017-10-23 Sebastian Perta <sebastian.perta@renesas.com>
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* config/rl78/rl78.md: New define_expand "subdi3".
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2017-10-23 H.J. Lu <hongjiu.lu@intel.com>
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2017-10-23 H.J. Lu <hongjiu.lu@intel.com>
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PR target/82673
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PR target/82673
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@ -268,6 +268,16 @@
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DONE;"
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DONE;"
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)
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)
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(define_expand "subdi3"
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[(set (match_operand:DI 0 "nonimmediate_operand" "")
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(minus:DI (match_operand:DI 1 "general_operand" "")
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(match_operand:DI 2 "general_operand" "")))
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]
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""
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"rl78_emit_libcall (\"__subdi3\", MINUS, DImode, DImode, 3, operands);
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DONE;"
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)
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(define_insn "subsi3_internal_virt"
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(define_insn "subsi3_internal_virt"
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[(set (match_operand:SI 0 "nonimmediate_operand" "=v,&vm, vm")
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[(set (match_operand:SI 0 "nonimmediate_operand" "=v,&vm, vm")
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(minus:SI (match_operand:SI 1 "general_operand" "0, vim, vim")
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(minus:SI (match_operand:SI 1 "general_operand" "0, vim, vim")
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2017-10-23 Sebastian Perta <sebastian.perta@renesas.com>
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* config/rl78/subdi3.S: New assembly file.
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* config/rl78/t-rl78: Added subdi3.S to LIB2ADD.
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2017-10-13 Sebastian Perta <sebastian.perta@renesas.com>
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2017-10-13 Sebastian Perta <sebastian.perta@renesas.com>
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* config/rl78/adddi3.S: New assembly file.
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* config/rl78/adddi3.S: New assembly file.
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@ -0,0 +1,58 @@
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; Copyright (C) 2017 Free Software Foundation, Inc.
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; Contributed by Sebastian Perta.
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;
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; This file is free software; you can redistribute it and/or modify it
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; under the terms of the GNU General Public License as published by the
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; Free Software Foundation; either version 3, or (at your option) any
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; later version.
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;
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; This file is distributed in the hope that it will be useful, but
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; WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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; General Public License for more details.
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;
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; Under Section 7 of GPL version 3, you are granted additional
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; permissions described in the GCC Runtime Library Exception, version
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; 3.1, as published by the Free Software Foundation.
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;
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; You should have received a copy of the GNU General Public License and
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; a copy of the GCC Runtime Library Exception along with this program;
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; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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; <http://www.gnu.org/licenses/>.
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#include "vregs.h"
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.text
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START_FUNC ___subdi3
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movw hl, sp ; use HL-based addressing (allows for direct subw)
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movw ax, [hl+4]
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subw ax, [hl+12]
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movw r8, ax
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mov a, [hl+6] ; middle bytes of the result are determined using 8-bit
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subc a, [hl+14] ; SUBC insns which both account for and update the carry bit
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mov r10, a ; (no SUBWC instruction is available)
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mov a, [hl+7]
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subc a, [hl+15]
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mov r11, a
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mov a, [hl+8]
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subc a, [hl+16]
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mov r12, a
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mov a, [hl+9]
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subc a, [hl+17]
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mov r13, a
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movw ax, [hl+10]
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sknc ; account for the possible carry from the
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decw ax ; latest 8-bit operation
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subw ax, [hl+18]
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movw r14, ax
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ret
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END_FUNC ___subdi3
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@ -31,7 +31,8 @@ LIB2ADD = \
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$(srcdir)/config/rl78/fpbit-sf.S \
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$(srcdir)/config/rl78/fpbit-sf.S \
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$(srcdir)/config/rl78/fpmath-sf.S \
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$(srcdir)/config/rl78/fpmath-sf.S \
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$(srcdir)/config/rl78/cmpsi2.S \
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$(srcdir)/config/rl78/cmpsi2.S \
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$(srcdir)/config/rl78/adddi3.S
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$(srcdir)/config/rl78/adddi3.S \
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$(srcdir)/config/rl78/subdi3.S
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LIB2FUNCS_EXCLUDE = _clzhi2 _clzsi2 _ctzhi2 _ctzsi2 \
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LIB2FUNCS_EXCLUDE = _clzhi2 _clzsi2 _ctzhi2 _ctzsi2 \
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_popcounthi2 _popcountsi2 \
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_popcounthi2 _popcountsi2 \
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