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riscv-gcc-1
Commit 6ecbf300 by Michael Meissner
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Merge push patterns for memory/nonmemory 

From-SVN: r8048
parent 68dab18d
Showing with 48 additions and 56 deletions
gcc/config/i386/i386.md
...@@ -1064,15 +1064,15 @@ ...@@ -1064,15 +1064,15 @@
"" ""
" "
{ {
/* Special case memory->memory moves */ /* Special case memory->memory moves and pushes */
if (TARGET_MOVE if (TARGET_MOVE
&& (reload_in_progress | reload_completed) == 0 && (reload_in_progress | reload_completed) == 0
&& GET_CODE (operands[0]) == MEM && 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)); rtx (*genfunc) PROTO((rtx, rtx));
if (push_operand (operands[0], SFmode)) 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 else
genfunc = gen_movsf_mem; genfunc = gen_movsf_mem;
...@@ -1110,8 +1110,9 @@ ...@@ -1110,8 +1110,9 @@
}") }")
(define_insn "movsf_push486" (define_insn "movsf_push486"
[(set (match_operand:SF 0 "push_operand" "=<,<") [(set (match_operand:SF 0 "push_operand" "=<,<,<")
(match_operand:SF 1 "nonmemory_operand" "rF,f"))] (match_operand:SF 1 "general_operand" "rF,f,m"))
(clobber (match_scratch:SI 2 "=X,X,r"))]
"!TARGET_386" "!TARGET_386"
"* "*
{ {
...@@ -1134,18 +1135,15 @@ ...@@ -1134,18 +1135,15 @@
output_asm_insn (AS1 (fst%S0,%0), xops); output_asm_insn (AS1 (fst%S0,%0), xops);
RET; RET;
} }
else if (GET_CODE (operands[1]) != MEM)
return AS1 (push%L1,%1); return AS1 (push%L1,%1);
}")
(define_insn "movsf_push486_mem" else
[(set (match_operand:SF 0 "push_operand" "=<") {
(match_operand:SF 1 "memory_operand" "m"))
(clobber (match_scratch:SI 2 "=r"))]
"!TARGET_386"
"*
{
output_asm_insn (AS2 (mov%L2,%1,%2), operands); output_asm_insn (AS2 (mov%L2,%1,%2), operands);
return AS1 (push%L2,%2); return AS1 (push%L2,%2);
}
}") }")
;; Special memory<->memory pattern that combine will recreate from the ;; Special memory<->memory pattern that combine will recreate from the
...@@ -1237,15 +1235,15 @@ ...@@ -1237,15 +1235,15 @@
"" ""
" "
{ {
/* Special case memory->memory moves */ /* Special case memory->memory moves and pushes */
if (TARGET_MOVE if (TARGET_MOVE
&& (reload_in_progress | reload_completed) == 0 && (reload_in_progress | reload_completed) == 0
&& GET_CODE (operands[0]) == MEM && 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)); rtx (*genfunc) PROTO((rtx, rtx));
if (push_operand (operands[0], DFmode)) 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 else
genfunc = gen_movdf_mem; genfunc = gen_movdf_mem;
...@@ -1282,8 +1280,10 @@ ...@@ -1282,8 +1280,10 @@
}") }")
(define_insn "movdf_push486" (define_insn "movdf_push486"
[(set (match_operand:DF 0 "push_operand" "=<,<") [(set (match_operand:DF 0 "push_operand" "=<,<,<,<")
(match_operand:DF 1 "nonmemory_operand" "rF,f"))] (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" "!TARGET_386"
"* "*
{ {
...@@ -1304,18 +1304,12 @@ ...@@ -1304,18 +1304,12 @@
RET; RET;
} }
else
else if (GET_CODE (operands[1]) != MEM)
return output_move_double (operands); return output_move_double (operands);
}")
(define_insn "movdf_push486_mem" else
[(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"
"*
{
rtx low[1], high[1], xop[4]; rtx low[1], high[1], xop[4];
split_di (&operands[1], 1, low, high); split_di (&operands[1], 1, low, high);
...@@ -1340,6 +1334,7 @@ ...@@ -1340,6 +1334,7 @@
} }
RET; RET;
}
}") }")
(define_insn "movdf_mem" (define_insn "movdf_mem"
...@@ -1453,15 +1448,15 @@ ...@@ -1453,15 +1448,15 @@
"" ""
" "
{ {
/* Special case memory->memory moves */ /* Special case memory->memory moves and pushes */
if (TARGET_MOVE if (TARGET_MOVE
&& (reload_in_progress | reload_completed) == 0 && (reload_in_progress | reload_completed) == 0
&& GET_CODE (operands[0]) == MEM && 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)); rtx (*genfunc) PROTO((rtx, rtx));
if (push_operand (operands[0], XFmode)) 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 else
genfunc = gen_movxf_mem; genfunc = gen_movxf_mem;
...@@ -1496,8 +1491,10 @@ ...@@ -1496,8 +1491,10 @@
}") }")
(define_insn "movxf_push486" (define_insn "movxf_push486"
[(set (match_operand:XF 0 "push_operand" "=<,<") [(set (match_operand:XF 0 "push_operand" "=<,<,<,<")
(match_operand:XF 1 "nonmemory_operand" "rF,f"))] (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" "!TARGET_386"
"* "*
{ {
...@@ -1516,18 +1513,12 @@ ...@@ -1516,18 +1513,12 @@
RET; RET;
} }
else
else if (GET_CODE (operands[1]) != MEM)
return output_move_double (operands); return output_move_double (operands);
}")
(define_insn "movxf_push486_mem" else
[(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"
"*
{
rtx xop[5]; rtx xop[5];
xop[0] = operands[2]; xop[0] = operands[2];
...@@ -1556,6 +1547,7 @@ ...@@ -1556,6 +1547,7 @@
} }
RET; RET;
}
}") }")
(define_insn "movxf_mem" (define_insn "movxf_mem"
...@@ -1675,15 +1667,15 @@ ...@@ -1675,15 +1667,15 @@
"" ""
" "
{ {
/* Special case memory->memory moves */ /* Special case memory->memory moves and pushes */
if (TARGET_MOVE if (TARGET_MOVE
&& (reload_in_progress | reload_completed) == 0 && (reload_in_progress | reload_completed) == 0
&& GET_CODE (operands[0]) == MEM && 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)); rtx (*genfunc) PROTO((rtx, rtx));
if (push_operand (operands[0], DImode)) 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 else
genfunc = gen_movdi_mem; genfunc = gen_movdi_mem;
...@@ -1699,19 +1691,18 @@ ...@@ -1699,19 +1691,18 @@
"* return output_move_double (operands);") "* return output_move_double (operands);")
(define_insn "movdi_push486" (define_insn "movdi_push486"
[(set (match_operand:DI 0 "push_operand" "=<") [(set (match_operand:DI 0 "push_operand" "=<,<,<")
(match_operand:DI 1 "nonmemory_operand" "riF"))] (match_operand:DI 1 "general_operand" "riF,o,o"))
"!TARGET_386" (clobber (match_scratch:SI 2 "=X,&r,=&r"))
"* return output_move_double (operands);") (clobber (match_scratch:SI 3 "=X,&r,X"))]
(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"))]
"!TARGET_386" "!TARGET_386"
"* "*
{ {
if (GET_CODE (operands[1]) != MEM)
return output_move_double (operands);
else
{
rtx low[1], high[1], xop[4]; rtx low[1], high[1], xop[4];
split_di (&operands[1], 1, low, high); split_di (&operands[1], 1, low, high);
...@@ -1736,6 +1727,7 @@ ...@@ -1736,6 +1727,7 @@
} }
RET; RET;
}
}") }")
(define_insn "movdi_mem" (define_insn "movdi_mem"
......
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