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authorzlomek <zlomek@138bc75d-0d04-0410-961f-82ee72b054a4>2003-10-31 14:19:03 +0000
committerzlomek <zlomek@138bc75d-0d04-0410-961f-82ee72b054a4>2003-10-31 14:19:03 +0000
commit242dafeec979e46e84af2364efe4d7b3205e6ca7 (patch)
tree89c2e555f3bddd0c9807e4c473cb94319a3d5465 /gcc/cfgrtl.c
parent0f9d22d7757faaa16d877bc578028e0141516064 (diff)
downloadgcc-242dafeec979e46e84af2364efe4d7b3205e6ca7.tar.gz
PR/10239
* cfgrtl.c (delete_insn): Decrease LABEL_NUSES for all REG_LABEL notes. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@73145 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cfgrtl.c')
-rw-r--r--gcc/cfgrtl.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c
index 7354c73c7fb..5769ef366b5 100644
--- a/gcc/cfgrtl.c
+++ b/gcc/cfgrtl.c
@@ -156,9 +156,15 @@ delete_insn (rtx insn)
LABEL_NUSES (JUMP_LABEL (insn))--;
/* Also if deleting an insn that references a label. */
- else if ((note = find_reg_note (insn, REG_LABEL, NULL_RTX)) != NULL_RTX
- && GET_CODE (XEXP (note, 0)) == CODE_LABEL)
- LABEL_NUSES (XEXP (note, 0))--;
+ else
+ {
+ while ((note = find_reg_note (insn, REG_LABEL, NULL_RTX)) != NULL_RTX
+ && GET_CODE (XEXP (note, 0)) == CODE_LABEL)
+ {
+ LABEL_NUSES (XEXP (note, 0))--;
+ remove_note (insn, note);
+ }
+ }
if (GET_CODE (insn) == JUMP_INSN
&& (GET_CODE (PATTERN (insn)) == ADDR_VEC