| # Out-of-line LSE atomics for AArch64 architecture. | |
| # Copyright (C) 2019-2026 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 5 memory models. | |
| S0 := $(foreach s, 1 2 4 8 16, $(addsuffix _$(s), cas)) | |
| O0 := $(foreach m, 1 2 3 4 5, $(addsuffix _$(m)$(objext), $(S0))) | |
| # Swap, Load-and-operate have 4 sizes and 5 memory models | |
| S1 := $(foreach s, 1 2 4 8, $(addsuffix _$(s), swp ldadd ldclr ldeor ldset)) | |
| O1 := $(foreach m, 1 2 3 4 5, $(addsuffix _$(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 $< |