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-rw-r--r--gcc/emit-rtl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index 8d8ead16f09..cb6f4cb639c 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -5313,7 +5313,7 @@ init_emit_once (int line_numbers)
REAL_VALUE_FROM_INT (dconstm2, -2, -1, double_mode);
dconsthalf = dconst1;
- dconsthalf.exp--;
+ SET_REAL_EXP (&dconsthalf, REAL_EXP (&dconsthalf) - 1);
real_arithmetic (&dconstthird, RDIV_EXPR, &dconst1, &dconst3);