OpenGrok

1.1  mrg # Out-of-line LSE atomics for AArch64 architecture.
1.1  mrg # Copyright (C) 2019-2020 Free Software Foundation, Inc.
1.1  mrg # Contributed by Linaro Ltd.
1.1  mrg #
1.1  mrg # This file is part of GCC.
1.1  mrg #
1.1  mrg # GCC is free software; you can redistribute it and/or modify it
1.1  mrg # under the terms of the GNU General Public License as published by
1.1  mrg # the Free Software Foundation; either version 3, or (at your option)
1.1  mrg # any later version.
1.1  mrg #
1.1  mrg # GCC is distributed in the hope that it will be useful, but
1.1  mrg # WITHOUT ANY WARRANTY; without even the implied warranty of
1.1  mrg # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
1.1  mrg # General Public License for more details.
1.1  mrg #
1.1  mrg # You should have received a copy of the GNU General Public License
1.1  mrg # along with GCC; see the file COPYING3.  If not see
1.1  mrg # <http://www.gnu.org/licenses/>.
1.1  mrg
1.1  mrg # Compare-and-swap has 5 sizes and 4 memory models.
1.1  mrg S0 := $(foreach s, 1 2 4 8 16, $(addsuffix _$(s), cas))
1.1  mrg O0 := $(foreach m, 1 2 3 4, $(addsuffix _$(m)$(objext), $(S0)))
1.1  mrg
1.1  mrg # Swap, Load-and-operate have 4 sizes and 4 memory models
1.1  mrg S1 := $(foreach s, 1 2 4 8, $(addsuffix _$(s), swp ldadd ldclr ldeor ldset))
1.1  mrg O1 := $(foreach m, 1 2 3 4, $(addsuffix _$(m)$(objext), $(S1)))
1.1  mrg
1.1  mrg LSE_OBJS := $(O0) $(O1)
1.1  mrg
1.1  mrg libgcc-objects += $(LSE_OBJS) lse-init$(objext)
1.1  mrg
1.1  mrg empty      =
1.1  mrg space      = $(empty) $(empty)
1.1  mrg PAT_SPLIT  = $(subst _,$(space),$(*F))
1.1  mrg PAT_BASE   = $(word 1,$(PAT_SPLIT))
1.1  mrg PAT_N      = $(word 2,$(PAT_SPLIT))
1.1  mrg PAT_M      = $(word 3,$(PAT_SPLIT))
1.1  mrg
1.1  mrg lse-init$(objext): $(srcdir)/config/aarch64/lse-init.c
1.1  mrg 	$(gcc_compile) -c $<
1.1  mrg
1.1  mrg $(LSE_OBJS): $(srcdir)/config/aarch64/lse.S
1.1  mrg 	$(gcc_compile) -DL_$(PAT_BASE) -DSIZE=$(PAT_N) -DMODEL=$(PAT_M) -c $<