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-rw-r--r--gcc/explow.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/gcc/explow.c b/gcc/explow.c
index 8dcef8b..d8f9dd2 100644
--- a/gcc/explow.c
+++ b/gcc/explow.c
@@ -114,12 +114,15 @@ plus_constant (machine_mode mode, rtx x, HOST_WIDE_INT c,
cst = gen_lowpart (mode, cst);
gcc_assert (cst);
}
- tem = plus_constant (mode, cst, c);
- tem = force_const_mem (GET_MODE (x), tem);
- /* Targets may disallow some constants in the constant pool, thus
- force_const_mem may return NULL_RTX. */
- if (tem && memory_address_p (GET_MODE (tem), XEXP (tem, 0)))
- return tem;
+ if (GET_MODE (cst) == VOIDmode || GET_MODE (cst) == mode)
+ {
+ tem = plus_constant (mode, cst, c);
+ tem = force_const_mem (GET_MODE (x), tem);
+ /* Targets may disallow some constants in the constant pool, thus
+ force_const_mem may return NULL_RTX. */
+ if (tem && memory_address_p (GET_MODE (tem), XEXP (tem, 0)))
+ return tem;
+ }
}
break;