tcg: Rearrange ldst label tracking
Dispense with TCGBackendData, as it has never been used for more than
holding a single pointer. Use a define in the cpu/tcg-target.h to
signal requirement for TCGLabelQemuLdst, so that we can drop the no-op
tcg-be-null.h stubs. Rename tcg-be-ldst.h to tcg-ldst.inc.c.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
diff --git a/tcg/tcg.h b/tcg/tcg.h
index 46957d9..b0e00e7 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -712,8 +712,10 @@
CPUState *cpu; /* *_trans */
TCGv_env tcg_env; /* *_exec */
- /* The TCGBackendData structure is private to tcg-target.inc.c. */
- struct TCGBackendData *be;
+ /* These structures are private to tcg-target.inc.c. */
+#ifdef TCG_TARGET_NEED_LDST_LABELS
+ struct TCGLabelQemuLdst *ldst_labels;
+#endif
TCGTempSet free_temps[TCG_TYPE_COUNT * 2];
TCGTemp temps[TCG_MAX_TEMPS]; /* globals first, temps after */
