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| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/doc/rtl.texi | 17 |
2 files changed, 14 insertions, 8 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 27e8428..1528663 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2013-02-21 Hans-Peter Nilsson <hp@axis.com> + + * doc/rtl.texi (vec_concat, vec_duplicate): Mention that + scalars are valid operands. + 2013-02-21 Martin Jambor <mjambor@suse.cz> PR tree-optimization/56310 diff --git a/gcc/doc/rtl.texi b/gcc/doc/rtl.texi index b0b0723..aa33d1c 100644 --- a/gcc/doc/rtl.texi +++ b/gcc/doc/rtl.texi @@ -2627,17 +2627,18 @@ The result mode @var{m} is either the submode for a single element of with that element submode (if multiple subparts are selected). @findex vec_concat -@item (vec_concat:@var{m} @var{vec1} @var{vec2}) +@item (vec_concat:@var{m} @var{x1} @var{x2}) Describes a vector concat operation. The result is a concatenation of the -vectors @var{vec1} and @var{vec2}; its length is the sum of the lengths of -the two inputs. +vectors or scalars @var{x1} and @var{x2}; its length is the sum of the +lengths of the two inputs. @findex vec_duplicate -@item (vec_duplicate:@var{m} @var{vec}) -This operation converts a small vector into a larger one by duplicating the -input values. The output vector mode must have the same submodes as the -input vector mode, and the number of output parts must be an integer multiple -of the number of input parts. +@item (vec_duplicate:@var{m} @var{x}) +This operation converts a scalar into a vector or a small vector into a +larger one by duplicating the input values. The output vector mode must have +the same submodes as the input vector mode or the scalar modes, and the +number of output parts must be an integer multiple of the number of input +parts. @end table |