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Merge push patterns for memory/nonmemory

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From-SVN: r8048
This commit is contained in:
Michael Meissner 1994-09-09 16:50:00 +00:00
parent 68dab18d53
commit 6ecbf3001a
1 changed files with 120 additions and 128 deletions
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104
gcc/config/i386/i386.md
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@ -1064,15 +1064,15 @@
""
"
{
/* Special case memory->memory moves */
/* Special case memory->memory moves and pushes */
if (TARGET_MOVE
&& (reload_in_progress | reload_completed) == 0
&& GET_CODE (operands[0]) == MEM
&& GET_CODE (operands[1]) == MEM)
&& (GET_CODE (operands[1]) == MEM || push_operand (operands[0], SFmode)))
{
rtx (*genfunc) PROTO((rtx, rtx));
if (push_operand (operands[0], SFmode))
genfunc = (TARGET_386) ? gen_movsf_push386 : gen_movsf_push486_mem;
genfunc = (TARGET_386) ? gen_movsf_push386 : gen_movsf_push486;
else
genfunc = gen_movsf_mem;
@ -1110,8 +1110,9 @@
}")
(define_insn "movsf_push486"
[(set (match_operand:SF 0 "push_operand" "=<,<")
(match_operand:SF 1 "nonmemory_operand" "rF,f"))]
[(set (match_operand:SF 0 "push_operand" "=<,<,<")
(match_operand:SF 1 "general_operand" "rF,f,m"))
(clobber (match_scratch:SI 2 "=X,X,r"))]
"!TARGET_386"
"*
{
@ -1134,18 +1135,15 @@
output_asm_insn (AS1 (fst%S0,%0), xops);
RET;
}
return AS1 (push%L1,%1);
}")
(define_insn "movsf_push486_mem"
[(set (match_operand:SF 0 "push_operand" "=<")
(match_operand:SF 1 "memory_operand" "m"))
(clobber (match_scratch:SI 2 "=r"))]
"!TARGET_386"
"*
else if (GET_CODE (operands[1]) != MEM)
return AS1 (push%L1,%1);
else
{
output_asm_insn (AS2 (mov%L2,%1,%2), operands);
return AS1 (push%L2,%2);
}
}")
;; Special memory<->memory pattern that combine will recreate from the
@ -1237,15 +1235,15 @@
""
"
{
/* Special case memory->memory moves */
/* Special case memory->memory moves and pushes */
if (TARGET_MOVE
&& (reload_in_progress | reload_completed) == 0
&& GET_CODE (operands[0]) == MEM
&& GET_CODE (operands[1]) == MEM)
&& (GET_CODE (operands[1]) == MEM || push_operand (operands[0], DFmode)))
{
rtx (*genfunc) PROTO((rtx, rtx));
if (push_operand (operands[0], DFmode))
genfunc = (TARGET_386) ? gen_movdf_push386 : gen_movdf_push486_mem;
genfunc = (TARGET_386) ? gen_movdf_push386 : gen_movdf_push486;
else
genfunc = gen_movdf_mem;
@ -1282,8 +1280,10 @@
}")
(define_insn "movdf_push486"
[(set (match_operand:DF 0 "push_operand" "=<,<")
(match_operand:DF 1 "nonmemory_operand" "rF,f"))]
[(set (match_operand:DF 0 "push_operand" "=<,<,<,<")
(match_operand:DF 1 "general_operand" "rF,f,o,o"))
(clobber (match_scratch:SI 2 "=X,X,&r,&r"))
(clobber (match_scratch:SI 3 "=X,X,&r,X"))]
"!TARGET_386"
"*
{
@ -1304,17 +1304,11 @@
RET;
}
else
return output_move_double (operands);
}")
(define_insn "movdf_push486_mem"
[(set (match_operand:DF 0 "push_operand" "=<,<")
(match_operand:DF 1 "general_operand" "o,o"))
(clobber (match_scratch:SI 2 "=&r,&r"))
(clobber (match_scratch:SI 3 "=&r,X"))]
"!TARGET_386"
"*
else if (GET_CODE (operands[1]) != MEM)
return output_move_double (operands);
else
{
rtx low[1], high[1], xop[4];
@ -1340,6 +1334,7 @@
}
RET;
}
}")
(define_insn "movdf_mem"
@ -1453,15 +1448,15 @@
""
"
{
/* Special case memory->memory moves */
/* Special case memory->memory moves and pushes */
if (TARGET_MOVE
&& (reload_in_progress | reload_completed) == 0
&& GET_CODE (operands[0]) == MEM
&& GET_CODE (operands[1]) == MEM)
&& (GET_CODE (operands[1]) == MEM || push_operand (operands[0], XFmode)))
{
rtx (*genfunc) PROTO((rtx, rtx));
if (push_operand (operands[0], XFmode))
genfunc = (TARGET_386) ? gen_movxf_push386 : gen_movxf_push486_mem;
genfunc = (TARGET_386) ? gen_movxf_push386 : gen_movxf_push486;
else
genfunc = gen_movxf_mem;
@ -1496,8 +1491,10 @@
}")
(define_insn "movxf_push486"
[(set (match_operand:XF 0 "push_operand" "=<,<")
(match_operand:XF 1 "nonmemory_operand" "rF,f"))]
[(set (match_operand:XF 0 "push_operand" "=<,<,<,<")
(match_operand:XF 1 "general_operand" "rF,f,o,o"))
(clobber (match_scratch:SI 2 "=X,X,&r,&r"))
(clobber (match_scratch:SI 3 "=X,X,&r,X"))]
"!TARGET_386"
"*
{
@ -1516,17 +1513,11 @@
RET;
}
else
return output_move_double (operands);
}")
(define_insn "movxf_push486_mem"
[(set (match_operand:XF 0 "push_operand" "=<,<")
(match_operand:XF 1 "memory_operand" "o,o"))
(clobber (match_scratch:SI 2 "=&r,&r"))
(clobber (match_scratch:SI 3 "=&r,X"))]
"!TARGET_386"
"*
else if (GET_CODE (operands[1]) != MEM)
return output_move_double (operands);
else
{
rtx xop[5];
@ -1556,6 +1547,7 @@
}
RET;
}
}")
(define_insn "movxf_mem"
@ -1675,15 +1667,15 @@
""
"
{
/* Special case memory->memory moves */
/* Special case memory->memory moves and pushes */
if (TARGET_MOVE
&& (reload_in_progress | reload_completed) == 0
&& GET_CODE (operands[0]) == MEM
&& GET_CODE (operands[1]) == MEM)
&& (GET_CODE (operands[1]) == MEM || push_operand (operands[0], DImode)))
{
rtx (*genfunc) PROTO((rtx, rtx));
if (push_operand (operands[0], DImode))
genfunc = (TARGET_386) ? gen_movdi_push386 : gen_movdi_push486_mem;
genfunc = (TARGET_386) ? gen_movdi_push386 : gen_movdi_push486;
else
genfunc = gen_movdi_mem;
@ -1699,18 +1691,17 @@
"* return output_move_double (operands);")
(define_insn "movdi_push486"
[(set (match_operand:DI 0 "push_operand" "=<")
(match_operand:DI 1 "nonmemory_operand" "riF"))]
"!TARGET_386"
"* return output_move_double (operands);")
(define_insn "movdi_push486_mem"
[(set (match_operand:DI 0 "push_operand" "=<,<")
(match_operand:DI 1 "memory_operand" "o,o"))
(clobber (match_scratch:SI 2 "=&r,=&r"))
(clobber (match_scratch:SI 3 "=&r,X"))]
[(set (match_operand:DI 0 "push_operand" "=<,<,<")
(match_operand:DI 1 "general_operand" "riF,o,o"))
(clobber (match_scratch:SI 2 "=X,&r,=&r"))
(clobber (match_scratch:SI 3 "=X,&r,X"))]
"!TARGET_386"
"*
{
if (GET_CODE (operands[1]) != MEM)
return output_move_double (operands);
else
{
rtx low[1], high[1], xop[4];
@ -1736,6 +1727,7 @@
}
RET;
}
}")
(define_insn "movdi_mem"