Viewing file:  pr27331.c (1.07 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-options "-O2 -ftree-vectorize" } */
struct funny_match
{
int this, other;
};
typedef struct rtx {
int code;
} *rtx;
extern rtx recog_operand[];
extern int which_alternative;
extern int nalternatives;
int
constrain_operands (insn_code_num, strict)
int insn_code_num;
int strict;
{
char *constraints[10];
struct funny_match funny_match[10];
register int c;
int funny_match_index;
which_alternative = 0;
while (which_alternative < nalternatives)
{
register int opno;
register char *p = constraints[opno];
int lose = 0;
funny_match_index = 0;
while (*p && (c = *p++) != ',')
funny_match[funny_match_index++].other = c - '0';
if ((((recog_operand[opno])->code) == 12))
lose = 1;
if (!lose)
{
while (--funny_match_index >= 0)
recog_operand[funny_match[funny_match_index].other]
= recog_operand[funny_match[funny_match_index].this];
return 1;
}
which_alternative++;
}
if (strict == 0)
return constrain_operands (insn_code_num, -1);
return 0;
}
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