In doing V11 patch #3, I noticed that the documentation for the 'Q' was
misleading. This patch updates the documentation. Can I check this patch into
the trunk?
2019-12-20 Michael Meissner <meiss...@linux.ibm.com>
* config/rs6000/constraints.md (Q constraint): Update
documentation.
* doc/md.tet (PowerPC constraints): Update 'Q' constraint
documentation.
Index: gcc/config/rs6000/constraints.md
===================================================================
--- gcc/config/rs6000/constraints.md (revision 279547)
+++ gcc/config/rs6000/constraints.md (working copy)
@@ -211,8 +211,7 @@ several times, or that might not access
(match_test "GET_RTX_CLASS (GET_CODE (XEXP (op, 0))) != RTX_AUTOINC")))
(define_memory_constraint "Q"
- "Memory operand that is an offset from a register (it is usually better
-to use @samp{m} or @samp{es} in @code{asm} statements)"
+ "A memory operand whose address which uses a single register with no offset."
(and (match_code "mem")
(match_test "REG_P (XEXP (op, 0))")))
Index: gcc/doc/md.texi
===================================================================
--- gcc/doc/md.texi (revision 279547)
+++ gcc/doc/md.texi (working copy)
@@ -3381,8 +3381,7 @@ allowed when @samp{<} or @samp{>} is use
as @samp{m} without @samp{<} and @samp{>}.
@item Q
-Memory operand that is an offset from a register (it is usually better
-to use @samp{m} or @samp{es} in @code{asm} statements)
+A memory operand whose address which uses a single register with no offset.
@item Z
Memory operand that is an indexed or indirect from a register (it is
--
Michael Meissner, IBM
IBM, M/S 2506R, 550 King Street, Littleton, MA 01460-6245, USA
email: meiss...@linux.ibm.com, phone: +1 (978) 899-4797
