gcc-8.3/gcc/extract_insn()
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開始行:
*参照元 [#z76947bc]
#backlinks
*説明 [#tc5c765d]
-パス: [[gcc-8.3/gcc/recog.c]]
-FIXME: これは何？
--説明
**引数 [#s9858746]
-rtx_insn *insn
--
--[[gcc-8.3/gcc/rtx_insn]]
**返り値 [#u45a567d]
-なし
**参考 [#q54dd757]
*実装 [#ia2327b5]
/* Analyze INSN and fill in recog_data. */
void
extract_insn (rtx_insn *insn)
{
int i;
int icode;
int noperands;
rtx body = PATTERN (insn);
-
--[[gcc-8.3/gcc/rtx]]
--[[gcc-8.3/gcc/PATTERN()]]
recog_data.n_operands = 0;
recog_data.n_alternatives = 0;
recog_data.n_dups = 0;
recog_data.is_asm = false;
-
--[[gcc-8.3/gcc/recog_data(global)]]
switch (GET_CODE (body))
{
case USE:
case CLOBBER:
case ASM_INPUT:
case ADDR_VEC:
case ADDR_DIFF_VEC:
case VAR_LOCATION:
case DEBUG_MARKER:
return;
-
--[[gcc-8.3/gcc/GET_CODE()]]
case SET:
if (GET_CODE (SET_SRC (body)) == ASM_OPERANDS)
goto asm_insn;
else
goto normal_insn;
case PARALLEL:
if ((GET_CODE (XVECEXP (body, 0, 0)) == SET
&& GET_CODE (SET_SRC (XVECEXP (body, 0, 0))) == ASM_...
|| GET_CODE (XVECEXP (body, 0, 0)) == ASM_OPERANDS
|| GET_CODE (XVECEXP (body, 0, 0)) == ASM_INPUT)
goto asm_insn;
else
goto normal_insn;
-
--[[gcc-8.3/gcc/XVECEXP()]]
--[[gcc-8.3/gcc/SET_SRC()]]
case ASM_OPERANDS:
asm_insn:
recog_data.n_operands = noperands = asm_noperands ...
-
--[[gcc-8.3/gcc/asm_nooperands()]]
if (noperands >= 0)
{
/* This insn is an `asm' with operands. */
/* expand_asm_operands makes sure there aren't too ma...
gcc_assert (noperands <= MAX_RECOG_OPERANDS);
/* Now get the operand values and constraints out of ...
decode_asm_operands (body, recog_data.operand,
recog_data.operand_loc,
recog_data.constraints,
recog_data.operand_mode, NULL);
memset (recog_data.is_operator, 0, sizeof recog_data....
if (noperands > 0)
{
const char *p = recog_data.constraints[0];
recog_data.n_alternatives = 1;
while (*p)
recog_data.n_alternatives += (*p++ == ',');
}
recog_data.is_asm = true;
break;
}
fatal_insn_not_found (insn);
-
--[[gcc-8.3/gcc/gcc_assert()]]
--[[gcc-8.3/gcc/decode_asm_operands()]]
--[[gcc-8.3/gcc/fatal_insn_not_found()]]
default:
normal_insn:
/* Ordinary insn: recognize it, get the operands v...
and get the constraints. */
icode = recog_memoized (insn);
if (icode < 0)
fatal_insn_not_found (insn);
recog_data.n_operands = noperands = insn_data[icod...
recog_data.n_alternatives = insn_data[icode].n_alt...
recog_data.n_dups = insn_data[icode].n_dups;
insn_extract (insn);
for (i = 0; i < noperands; i++)
{
recog_data.constraints[i] = insn_data[icode].operand[...
recog_data.is_operator[i] = insn_data[icode].operand[...
recog_data.operand_mode[i] = insn_data[icode].operand...
/* VOIDmode match_operands gets mode from their real ...
if (recog_data.operand_mode[i] == VOIDmode)
recog_data.operand_mode[i] = GET_MODE (recog_data.o...
}
-
--[[gcc-8.3/gcc/insn_data(global)]]
--[[gcc-8.3/gcc/recog_memoized()]]
--[[gcc-8.3/gcc/fatal_insn_not_found()]]
--[[gcc-8.3/gcc/insn_extract()]]
--[[gcc-8.3/gcc/GET_MODE()]]
}
for (i = 0; i < noperands; i++)
recog_data.operand_type[i]
= (recog_data.constraints[i][0] == '=' ? OP_OUT
: recog_data.constraints[i][0] == '+' ? OP_INOUT
: OP_IN);
gcc_assert (recog_data.n_alternatives <= MAX_RECOG_ALT...
recog_data.insn = NULL;
which_alternative = -1;
}
*コメント [#df99fa45]
終了行:
*参照元 [#z76947bc]
#backlinks
*説明 [#tc5c765d]
-パス: [[gcc-8.3/gcc/recog.c]]
-FIXME: これは何？
--説明
**引数 [#s9858746]
-rtx_insn *insn
--
--[[gcc-8.3/gcc/rtx_insn]]
**返り値 [#u45a567d]
-なし
**参考 [#q54dd757]
*実装 [#ia2327b5]
/* Analyze INSN and fill in recog_data. */
void
extract_insn (rtx_insn *insn)
{
int i;
int icode;
int noperands;
rtx body = PATTERN (insn);
-
--[[gcc-8.3/gcc/rtx]]
--[[gcc-8.3/gcc/PATTERN()]]
recog_data.n_operands = 0;
recog_data.n_alternatives = 0;
recog_data.n_dups = 0;
recog_data.is_asm = false;
-
--[[gcc-8.3/gcc/recog_data(global)]]
switch (GET_CODE (body))
{
case USE:
case CLOBBER:
case ASM_INPUT:
case ADDR_VEC:
case ADDR_DIFF_VEC:
case VAR_LOCATION:
case DEBUG_MARKER:
return;
-
--[[gcc-8.3/gcc/GET_CODE()]]
case SET:
if (GET_CODE (SET_SRC (body)) == ASM_OPERANDS)
goto asm_insn;
else
goto normal_insn;
case PARALLEL:
if ((GET_CODE (XVECEXP (body, 0, 0)) == SET
&& GET_CODE (SET_SRC (XVECEXP (body, 0, 0))) == ASM_...
|| GET_CODE (XVECEXP (body, 0, 0)) == ASM_OPERANDS
|| GET_CODE (XVECEXP (body, 0, 0)) == ASM_INPUT)
goto asm_insn;
else
goto normal_insn;
-
--[[gcc-8.3/gcc/XVECEXP()]]
--[[gcc-8.3/gcc/SET_SRC()]]
case ASM_OPERANDS:
asm_insn:
recog_data.n_operands = noperands = asm_noperands ...
-
--[[gcc-8.3/gcc/asm_nooperands()]]
if (noperands >= 0)
{
/* This insn is an `asm' with operands. */
/* expand_asm_operands makes sure there aren't too ma...
gcc_assert (noperands <= MAX_RECOG_OPERANDS);
/* Now get the operand values and constraints out of ...
decode_asm_operands (body, recog_data.operand,
recog_data.operand_loc,
recog_data.constraints,
recog_data.operand_mode, NULL);
memset (recog_data.is_operator, 0, sizeof recog_data....
if (noperands > 0)
{
const char *p = recog_data.constraints[0];
recog_data.n_alternatives = 1;
while (*p)
recog_data.n_alternatives += (*p++ == ',');
}
recog_data.is_asm = true;
break;
}
fatal_insn_not_found (insn);
-
--[[gcc-8.3/gcc/gcc_assert()]]
--[[gcc-8.3/gcc/decode_asm_operands()]]
--[[gcc-8.3/gcc/fatal_insn_not_found()]]
default:
normal_insn:
/* Ordinary insn: recognize it, get the operands v...
and get the constraints. */
icode = recog_memoized (insn);
if (icode < 0)
fatal_insn_not_found (insn);
recog_data.n_operands = noperands = insn_data[icod...
recog_data.n_alternatives = insn_data[icode].n_alt...
recog_data.n_dups = insn_data[icode].n_dups;
insn_extract (insn);
for (i = 0; i < noperands; i++)
{
recog_data.constraints[i] = insn_data[icode].operand[...
recog_data.is_operator[i] = insn_data[icode].operand[...
recog_data.operand_mode[i] = insn_data[icode].operand...
/* VOIDmode match_operands gets mode from their real ...
if (recog_data.operand_mode[i] == VOIDmode)
recog_data.operand_mode[i] = GET_MODE (recog_data.o...
}
-
--[[gcc-8.3/gcc/insn_data(global)]]
--[[gcc-8.3/gcc/recog_memoized()]]
--[[gcc-8.3/gcc/fatal_insn_not_found()]]
--[[gcc-8.3/gcc/insn_extract()]]
--[[gcc-8.3/gcc/GET_MODE()]]
}
for (i = 0; i < noperands; i++)
recog_data.operand_type[i]
= (recog_data.constraints[i][0] == '=' ? OP_OUT
: recog_data.constraints[i][0] == '+' ? OP_INOUT
: OP_IN);
gcc_assert (recog_data.n_alternatives <= MAX_RECOG_ALT...
recog_data.insn = NULL;
which_alternative = -1;
}
*コメント [#df99fa45]
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