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Diffstat (limited to 'gcc/doc/md.texi')
-rw-r--r-- | gcc/doc/md.texi | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi index 11266d7..3f71074 100644 --- a/gcc/doc/md.texi +++ b/gcc/doc/md.texi @@ -3362,6 +3362,26 @@ The @code{X} register. @end table +@item RISC-V---@file{config/riscv/constraints.md} +@table @code + +@item f +A floating-point register (if availiable). + +@item I +An I-type 12-bit signed immediate. + +@item J +Integer zero. + +@item K +A 5-bit unsigned immediate for CSR access instructions. + +@item A +An address that is held in a general-purpose register. + +@end table + @item RX---@file{config/rx/constraints.md} @table @code @item Q |