45 lines
1.6 KiB
Plaintext
45 lines
1.6 KiB
Plaintext
# Out-of-line LSE atomics for AArch64 architecture.
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# Copyright (C) 2019-2020 Free Software Foundation, Inc.
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# Contributed by Linaro Ltd.
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#
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# This file is part of GCC.
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#
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# GCC 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
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# GCC 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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# You should have received a copy of the GNU General Public License
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# along with GCC; see the file COPYING3. If not see
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# <http://www.gnu.org/licenses/>.
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# Compare-and-swap has 5 sizes and 4 memory models.
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S0 := $(foreach s, 1 2 4 8 16, $(addsuffix _$(s), cas))
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O0 := $(foreach m, 1 2 3 4, $(addsuffix _$(m)$(objext), $(S0)))
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# Swap, Load-and-operate have 4 sizes and 4 memory models
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S1 := $(foreach s, 1 2 4 8, $(addsuffix _$(s), swp ldadd ldclr ldeor ldset))
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O1 := $(foreach m, 1 2 3 4, $(addsuffix _$(m)$(objext), $(S1)))
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LSE_OBJS := $(O0) $(O1)
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libgcc-objects += $(LSE_OBJS) lse-init$(objext)
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empty =
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space = $(empty) $(empty)
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PAT_SPLIT = $(subst _,$(space),$(*F))
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PAT_BASE = $(word 1,$(PAT_SPLIT))
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PAT_N = $(word 2,$(PAT_SPLIT))
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PAT_M = $(word 3,$(PAT_SPLIT))
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lse-init$(objext): $(srcdir)/config/aarch64/lse-init.c
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$(gcc_compile) -c $<
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$(LSE_OBJS): $(srcdir)/config/aarch64/lse.S
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$(gcc_compile) -DL_$(PAT_BASE) -DSIZE=$(PAT_N) -DMODEL=$(PAT_M) -c $<
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