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-rw-r--r--gcc/regclass.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/regclass.c b/gcc/regclass.c
index b442cc266be..489f8240407 100644
--- a/gcc/regclass.c
+++ b/gcc/regclass.c
@@ -2032,8 +2032,12 @@ reg_scan_mark_refs (x, insn, note_flag, min_regno)
code = GET_CODE (x);
switch (code)
{
- case CONST_INT:
case CONST:
+ if (GET_CODE (XEXP (x, 0)) == CONSTANT_P_RTX)
+ reg_scan_mark_refs (XEXP (XEXP (x, 0), 0), insn, note_flag, min_regno);
+ return;
+
+ case CONST_INT:
case CONST_DOUBLE:
case CC0:
case PC: