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- # Out-of-line LSE atomics for AArch64 architecture.
- # Copyright (C) 2019-2022 Free Software Foundation, Inc.
- # Contributed by Linaro Ltd.
- #
- # This file is part of GCC.
- #
- # GCC 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.
- #
- # GCC 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.
- #
- # You should have received a copy of the GNU General Public License
- # along with GCC; see the file COPYING3. If not see
- # <http://www.gnu.org/licenses/>.
- # Compare-and-swap has 5 sizes and 4 memory models.
- S0 := $(foreach s, 1 2 4 8 16, $(addsuffix _$(s), cas))
- O0 := $(foreach m, 1 2 3 4, $(addsuffix _$(m)$(objext), $(S0)))
- # Swap, Load-and-operate have 4 sizes and 4 memory models
- S1 := $(foreach s, 1 2 4 8, $(addsuffix _$(s), swp ldadd ldclr ldeor ldset))
- O1 := $(foreach m, 1 2 3 4, $(addsuffix _$(m)$(objext), $(S1)))
- LSE_OBJS := $(O0) $(O1)
- libgcc-objects += $(LSE_OBJS) lse-init$(objext)
- empty =
- space = $(empty) $(empty)
- PAT_SPLIT = $(subst _,$(space),$(*F))
- PAT_BASE = $(word 1,$(PAT_SPLIT))
- PAT_N = $(word 2,$(PAT_SPLIT))
- PAT_M = $(word 3,$(PAT_SPLIT))
- lse-init$(objext): $(srcdir)/config/aarch64/lse-init.c
- $(gcc_compile) -c $<
- $(LSE_OBJS): $(srcdir)/config/aarch64/lse.S
- $(gcc_compile) -DL_$(PAT_BASE) -DSIZE=$(PAT_N) -DMODEL=$(PAT_M) -c $<
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