2020-01-06 Richard Sandiford <richard.sandiford@arm.com>
+ * config/aarch64/t-aarch64 ($(srcdir)/config/aarch64/aarch64-tune.md):
+ Depend on...
+ (s-aarch64-tune-md): ...this new stamp file. Pipe the new contents
+ to a temporary file and use move-if-change to update the real
+ file where necessary.
+
+2020-01-06 Richard Sandiford <richard.sandiford@arm.com>
+
* config/aarch64/aarch64-sve.md (@aarch64_sel_dup<mode>): Use Upl
rather than Upa for CPY /M.
$(srcdir)/config/aarch64/aarch64-fusion-pairs.def \
$(srcdir)/config/aarch64/aarch64-tuning-flags.def
-$(srcdir)/config/aarch64/aarch64-tune.md: $(srcdir)/config/aarch64/gentune.sh \
+$(srcdir)/config/aarch64/aarch64-tune.md: s-aarch64-tune-md; @true
+s-aarch64-tune-md: $(srcdir)/config/aarch64/gentune.sh \
$(srcdir)/config/aarch64/aarch64-cores.def
$(SHELL) $(srcdir)/config/aarch64/gentune.sh \
$(srcdir)/config/aarch64/aarch64-cores.def > \
+ tmp-aarch64-tune.md
+ $(SHELL) $(srcdir)/../move-if-change tmp-aarch64-tune.md \
$(srcdir)/config/aarch64/aarch64-tune.md
+ $(STAMP) s-aarch64-tune-md
aarch64-builtins.o: $(srcdir)/config/aarch64/aarch64-builtins.c $(CONFIG_H) \
$(SYSTEM_H) coretypes.h $(TM_H) \