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-rw-r--r--gcc/config/sh/sh.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c
index 1442b7fc790..25149a60ff7 100644
--- a/gcc/config/sh/sh.c
+++ b/gcc/config/sh/sh.c
@@ -14016,6 +14016,9 @@ sh_extending_set_of_reg::use_as_extended_reg (rtx_insn* use_at_insn) const
else
{
rtx extension_dst = XEXP (set_rtx, 0);
+ if (GET_MODE (extension_dst) != SImode)
+ extension_dst = simplify_gen_subreg (SImode, extension_dst,
+ GET_MODE (extension_dst), 0);
if (modified_between_p (extension_dst, insn, use_at_insn))
{
if (dump_file)