OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

rs6000: Add 'd' for doubleword variant of vector insert

Browse Source 
When the "Vector Insert" section was added to the documentation,
the doubleword ('d') variant was omitted.  Add it.

2020-09-23  Paul A. Clarke  <pc@us.ibm.com>

gcc/
	* doc/extend.texi: Add 'd' for doubleword variant of
	vector insert instruction.
This commit is contained in:
Paul A. Clarke 2020-09-23 11:59:26 -05:00 committed by Segher Boessenkool
parent 67aeddb785
commit 27cdb4de83
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
gcc/doc/extend.texi
View File

@ -20961,9 +20961,9 @@ given by the third argument, using natural element order in the second
argument. The rest of the second argument is unchanged. If the byte
index is greater than 14 for halfwords, greater than 12 for words, or
greater than 8 for doublewords the result is undefined. For little-endian,
the generated code will be semantically equivalent to @code{vins[bhw]rx}
the generated code will be semantically equivalent to @code{vins[bhwd]rx}
instructions. Similarly for big-endian it will be semantically equivalent
to @code{vins[bhw]lx}. Note that some fairly anomalous results can be
to @code{vins[bhwd]lx}. Note that some fairly anomalous results can be
generated if the byte index is not aligned on an element boundary for the
type of element being inserted.
@findex vec_insertl
@ -20996,8 +20996,8 @@ for halfwords, 12 for words, or 8 for doublewords, the intrinsic will be
rejected. Note that the underlying hardware instruction uses the same register
for the second argument and the result.
For little-endian, the code generation will be semantically equivalent to
@code{vins[bhw]lx}, while for big-endian it will be semantically equivalent to
@code{vins[bhw]rx}.
@code{vins[bhwd]lx}, while for big-endian it will be semantically equivalent to
@code{vins[bhwd]rx}.
Note that some fairly anomalous results can be generated if the byte index is
not aligned on an element boundary for the sort of element being inserted.
@findex vec_inserth