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mips.c (mips_address_insns): Treat BLKmode specially.

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* config/mips/mips.c (mips_address_insns): Treat BLKmode specially.
	* config/mips/mips.md: Expand comment above unaligned loads and stores.

From-SVN: r78129
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Richard Sandiford 2004-02-19 22:49:47 +00:00 • committed by Richard Sandiford
parent 4221057e8f
commit 656f37ee62
3 changed files with 16 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
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.

9
gcc/config/mips/mips.c
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@ -1234,8 +1234,13 @@ mips_address_insns (rtx x, enum machine_mode mode)
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)
{

4
gcc/config/mips/mips.md
View file

@ -4059,6 +4059,10 @@ dsrl\t%3,%3,1\n\
;; 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")