+2004-02-19 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/mips.c (mips_address_insns): Treat BLKmode specially.
+ * config/mips/mips.md: Expand comment above unaligned loads and stores.
+
2004-02-19 Richard Henderson <rth@redhat.com>
* Makefile.in (STRICT2_WARN): Add -Wno-variadic-macros.
struct mips_address_info addr;
int factor;
- /* Each word of a multi-word value will be accessed individually. */
- factor = (GET_MODE_SIZE (mode) + UNITS_PER_WORD - 1) / UNITS_PER_WORD;
+ if (mode == BLKmode)
+ /* BLKmode is used for single unaligned loads and stores. */
+ factor = 1;
+ else
+ /* Each word of a multi-word value will be accessed individually. */
+ factor = (GET_MODE_SIZE (mode) + UNITS_PER_WORD - 1) / UNITS_PER_WORD;
+
if (mips_classify_address (&addr, x, mode, false))
switch (addr.type)
{
;; refers to just the first or the last byte (depending on endianness).
;; We therefore use two memory operands to each instruction, one to
;; describe the rtl effect and one to use in the assembly output.
+;;
+;; Operands 0 and 1 are the rtl-level target and source respectively.
+;; This allows us to use the standard length calculations for the "load"
+;; and "store" type attributes.
(define_insn "mov_lwl"
[(set (match_operand:SI 0 "register_operand" "=d")