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-rw-r--r--gcc/rtl.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/rtl.h b/gcc/rtl.h
index d7344c5e886..62ce9e47958 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -976,6 +976,7 @@ extern unsigned int subreg_regno_offset (unsigned int, enum machine_mode,
extern bool subreg_offset_representable_p (unsigned int, enum machine_mode,
unsigned int, enum machine_mode);
extern unsigned int subreg_regno (rtx);
+extern unsigned int subreg_nregs (rtx);
extern unsigned HOST_WIDE_INT nonzero_bits (rtx, enum machine_mode);
extern unsigned int num_sign_bit_copies (rtx, enum machine_mode);