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authorCatherine Moore <clm@cygnus.com>1999-11-03 21:55:51 +0000
committerCatherine Moore <clm@gcc.gnu.org>1999-11-03 16:55:51 -0500
commit8cd0faaf3206d06e32552108f6e66674730d2e7d (patch)
tree32aab0337e74b85506bcda9eeeb36643fbe27d83 /gcc/rtl.h
parent1e30f9b4da5c6f2503d459b41e08db56fd7c6174 (diff)
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defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
* defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default. * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME. * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME. * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME. * jump.c (delete_unreferenced_labels): Don't delete if LABEL_ALTERNATE_NAME is set. * print-rtl.c (print_rtx): Dump alternate name. * rtl.def (CODE_LABEL): Change format to "iuuis00s". * rtl.h (LABEL_ALTERNATE_NAME): Define. * rtl.texi (LABEL_ALTERNATE_NAME): Document. * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document. From-SVN: r30382
Diffstat (limited to 'gcc/rtl.h')
-rw-r--r--gcc/rtl.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/rtl.h b/gcc/rtl.h
index 25c064b..a723c7f 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -597,6 +597,9 @@ extern const char * const note_insn_name[];
of LABEL_REFs that point at it, so unused labels can be deleted. */
#define LABEL_NUSES(RTX) XCINT(RTX, 5, CODE_LABEL)
+/* Associate a name with a CODE_LABEL. */
+#define LABEL_ALTERNATE_NAME(RTX) XCSTR(RTX, 7, CODE_LABEL)
+
/* The original regno this ADDRESSOF was built for. */
#define ADDRESSOF_REGNO(RTX) XCINT(RTX, 1, ADDRESSOF)