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* i386.md (movdi-1, movdi): Rewrite based on SI move patterns.

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From-SVN: r19786
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John Wehle 1998-05-15 20:41:47 +00:00 committed by Jeff Law
parent 51bcf66114
commit d2f2cb195c
2 changed files with 33 additions and 25 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
Fri May 15 21:40:06 1998 John Wehle (john@feith.com)
* i386.md (movdi-1, movdi): Rewrite based on SI move patterns.
Fri May 15 18:55:22 1998 Jason Merrill <jason@yorick.cygnus.com>
* tree.h (BINFO_SIZE, TYPE_BINFO_SIZE): New macros.

54
gcc/config/i386/i386.md
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@ -1633,35 +1633,39 @@
}")
(define_insn ""
[(set (match_operand:DI 0 "push_operand" "=<,<,<,<")
(match_operand:DI 1 "general_operand" "riF,o,o,o"))
(clobber (match_scratch:SI 2 "=X,&r,&r,X"))
(clobber (match_scratch:SI 3 "=X,&r,X,X"))]
[(set (match_operand:DI 0 "push_operand" "=<")
(match_operand:DI 1 "general_operand" "riF"))]
""
"*
{
if (GET_CODE (operands[1]) != MEM)
return output_move_double (operands);
"* return output_move_double (operands);")
else
return output_move_pushmem (operands, insn, GET_MODE_SIZE (DImode), 2, 4);
(define_insn ""
[(set (match_operand:DI 0 "push_operand" "=<")
(match_operand:DI 1 "memory_operand" "o"))]
"TARGET_PUSH_MEMORY"
"* return output_move_pushmem (operands, insn, GET_MODE_SIZE (DImode),0,0);")
(define_expand "movdi"
[(set (match_operand:DI 0 "general_operand" "")
(match_operand:DI 1 "general_operand" ""))]
""
"
{
/* Don't generate memory->memory moves, go through a register */
if (TARGET_MOVE
&& (reload_in_progress | reload_completed) == 0
&& GET_CODE (operands[0]) == MEM
&& GET_CODE (operands[1]) == MEM)
{
operands[1] = force_reg (DImode, operands[1]);
}
}")
(define_insn "movdi"
[(set (match_operand:DI 0 "general_operand" "=o,o,r,rm")
(match_operand:DI 1 "general_operand" "o,o,m,riF"))
(clobber (match_scratch:SI 2 "=&r,&r,X,X"))
(clobber (match_scratch:SI 3 "=&r,X,X,X"))]
""
"*
{
rtx low[2], high[2], xop[6];
if (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)
return output_move_double (operands);
else
return output_move_memory (operands, insn, GET_MODE_SIZE (DImode), 2, 4);
}")
(define_insn ""
[(set (match_operand:DI 0 "general_operand" "=g,r")
(match_operand:DI 1 "general_operand" "riF,m"))]
"(!TARGET_MOVE || GET_CODE (operands[0]) != MEM)
|| (GET_CODE (operands[1]) != MEM)"
"* return output_move_double (operands);")
;;- conversion instructions