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bfin.md (reload_outpdi, [...]): New patterns.

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* config/bfin/bfin.md (reload_outpdi, reload_inpdi): New patterns.
	* config/bfin/bfin.c (bfin_secondary_reload): Make sure we use them.

From-SVN: r128470
This commit is contained in:
Bernd Schmidt 2007-09-13 17:16:29 +00:00 committed by Bernd Schmidt
parent 468b40bcb9
commit 6ed44ca10a
3 changed files with 57 additions and 3 deletions
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5
gcc/ChangeLog
View File

@ -1,3 +1,8 @@
2007-09-13 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.md (reload_outpdi, reload_inpdi): New patterns.
* config/bfin/bfin.c (bfin_secondary_reload): Make sure we use them.
2007-09-13 James E. Wilson <wilson@specifix.com>
PR tree-optimization/33389

15
gcc/config/bfin/bfin.c
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@ -2045,8 +2045,8 @@ bfin_memory_move_cost (enum machine_mode mode ATTRIBUTE_UNUSED,
scratch register. */
static enum reg_class
bfin_secondary_reload (bool in_p ATTRIBUTE_UNUSED, rtx x, enum reg_class class,
enum machine_mode mode, secondary_reload_info *sri)
bfin_secondary_reload (bool in_p, rtx x, enum reg_class class,
enum machine_mode mode, secondary_reload_info *sri)
{
/* If we have HImode or QImode, we can only use DREGS as secondary registers;
in most other cases we can also use PREGS. */
@ -2099,8 +2099,16 @@ bfin_secondary_reload (bool in_p ATTRIBUTE_UNUSED, rtx x, enum reg_class class,
if (class == AREGS || class == EVEN_AREGS || class == ODD_AREGS)
{
if (code == MEM)
{
sri->icode = in_p ? CODE_FOR_reload_inpdi : CODE_FOR_reload_outpdi;
return NO_REGS;
}
if (x != const0_rtx && x_class != DREGS)
return DREGS;
{
return DREGS;
}
else
return NO_REGS;
}
@ -2116,6 +2124,7 @@ bfin_secondary_reload (bool in_p ATTRIBUTE_UNUSED, rtx x, enum reg_class class,
if (code == MEM)
if (! reg_class_subset_p (class, default_class))
return default_class;
return NO_REGS;
}

40
gcc/config/bfin/bfin.md
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@ -1746,6 +1746,46 @@
DONE;
})
(define_insn "reload_inpdi"
[(set (match_operand:PDI 0 "register_operand" "=e")
(match_operand:PDI 1 "memory_operand" "m"))
(clobber (match_operand:SI 2 "register_operand" "=d"))]
""
{
rtx xops[4];
xops[0] = operands[0];
xops[1] = operands[2];
split_di (operands + 1, 1, xops + 2, xops + 3);
output_asm_insn ("%1 = %2;", xops);
output_asm_insn ("%w0 = %1;", xops);
output_asm_insn ("%1 = %3;", xops);
output_asm_insn ("%x0 = %1;", xops);
return "";
}
[(set_attr "seq_insns" "multi")
(set_attr "type" "mcld")
(set_attr "length" "12")])
(define_insn "reload_outpdi"
[(set (match_operand:PDI 0 "memory_operand" "=m")
(match_operand:PDI 1 "register_operand" "e"))
(clobber (match_operand:SI 2 "register_operand" "=d"))]
""
{
rtx xops[4];
xops[0] = operands[1];
xops[1] = operands[2];
split_di (operands, 1, xops + 2, xops + 3);
output_asm_insn ("%1 = %w0;", xops);
output_asm_insn ("%2 = %1;", xops);
output_asm_insn ("%1 = %x0;", xops);
output_asm_insn ("%3 = %1;", xops);
return "";
}
[(set_attr "seq_insns" "multi")
(set_attr "type" "mcld")
(set_attr "length" "12")])
;; Jump instructions
(define_insn "jump"