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-rw-r--r--gcc/doc/md.texi3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi
index 9b15991..8b319cf 100644
--- a/gcc/doc/md.texi
+++ b/gcc/doc/md.texi
@@ -2057,6 +2057,9 @@ Same as @samp{K}, except that it verifies that bits that are not in the
lower 32-bit range are all zero. Must be used instead of @samp{K} for
modes wider than @code{SImode}
+@item O
+The constant 4096
+
@item G
Floating-point zero