aboutsummaryrefslogtreecommitdiff
path: root/gcc/doc
diff options
context:
space:
mode:
authorNick Clifton <nickc@gcc.gnu.org>2001-12-17 16:46:11 +0000
committerNick Clifton <nickc@gcc.gnu.org>2001-12-17 16:46:11 +0000
commit3dcc68a44a005cd6d2802fed3c62e5a3f897a1c5 (patch)
treeabc7579f7c4d9b9f1797f4d5240635fb9e483b13 /gcc/doc
parentbc8224a5e956cd863d4506b372f2663a0e0e3c26 (diff)
downloadgcc-3dcc68a44a005cd6d2802fed3c62e5a3f897a1c5.zip
gcc-3dcc68a44a005cd6d2802fed3c62e5a3f897a1c5.tar.gz
gcc-3dcc68a44a005cd6d2802fed3c62e5a3f897a1c5.tar.bz2
Implement MODE_BASE_REG_CLASS
From-SVN: r48104
Diffstat (limited to 'gcc/doc')
-rw-r--r--gcc/doc/tm.texi7
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi
index da3b4d5..30c94ee 100644
--- a/gcc/doc/tm.texi
+++ b/gcc/doc/tm.texi
@@ -2203,6 +2203,13 @@ A macro whose definition is the name of the class to which a valid
base register must belong. A base register is one used in an address
which is the register value plus a displacement.
+@findex MODE_BASE_REG_CLASS
+@item MODE_BASE_REG_CLASS (@var{mode})
+This is a variation of the @code{BASE_REG_CLASS} macro which allows
+the selection of a base register in a mode depenedent manner. If
+@var{mode} is VOIDmode then it should return the same value as
+@code{BASE_REG_CLASS}.
+
@findex INDEX_REG_CLASS
@item INDEX_REG_CLASS
A macro whose definition is the name of the class to which a valid