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Diffstat (limited to 'gcc/doc/md.texi')
| -rw-r--r-- | gcc/doc/md.texi | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi index ee629e2..71a2791 100644 --- a/gcc/doc/md.texi +++ b/gcc/doc/md.texi @@ -5805,6 +5805,21 @@ move operand 2 or (operands 2 + operand 3) into operand 0 according to the comparison in operand 1. If the comparison is false, operand 2 is moved into operand 0, otherwise (operand 2 + operand 3) is moved. +@cindex @code{neg@var{mode}cc} instruction pattern +@item @samp{neg@var{mode}cc} +Similar to @samp{mov@var{mode}cc} but for conditional negation. Conditionally +move the negation of operand 2 or the unchanged operand 3 into operand 0 +according to the comparison in operand 1. If the comparison is true, the negation +of operand 2 is moved into operand 0, otherwise operand 3 is moved. + +@cindex @code{not@var{mode}cc} instruction pattern +@item @samp{not@var{mode}cc} +Similar to @samp{neg@var{mode}cc} but for conditional complement. +Conditionally move the bitwise complement of operand 2 or the unchanged +operand 3 into operand 0 according to the comparison in operand 1. +If the comparison is true, the complement of operand 2 is moved into +operand 0, otherwise operand 3 is moved. + @cindex @code{cstore@var{mode}4} instruction pattern @item @samp{cstore@var{mode}4} Store zero or nonzero in operand 0 according to whether a comparison |