mirrors/tinycc
1
0
Fork 0
mirror of https://github.com/frida/tinycc synced 2024-12-25 14:36:49 +03:00
Code Issues Packages Projects Releases Wiki Activity

added % constraint

Browse Source
This commit is contained in:
bellard 2003-04-27 11:46:10 +00:00
parent a901c5f204
commit 68c800981e
1 changed files with 10 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
i386-asm.c
View File

@ -745,6 +745,13 @@ static inline int constraint_priority(const char *str)
return priority; return priority;
} }
static const char *skip_constraint_modifiers(const char *p)
{
while (*p == '=' || *p == '&' || *p == '+' || *p == '%')
p++;
return p;
}
static void asm_compute_constraints(uint8_t *regs_allocated, static void asm_compute_constraints(uint8_t *regs_allocated,
ASMOperand *operands, ASMOperand *operands,
int nb_operands1, int nb_outputs, int nb_operands1, int nb_outputs,
@ -772,6 +779,7 @@ static void asm_compute_constraints(uint8_t *regs_allocated,
str = op->constraint; str = op->constraint;
op->ref_index = -1; op->ref_index = -1;
op->reg = -1; op->reg = -1;
str = skip_constraint_modifiers(str);
if (!is_output && (isnum(*str) || *str == '[')) { if (!is_output && (isnum(*str) || *str == '[')) {
/* this is a reference to another constraint */ /* this is a reference to another constraint */
k = find_constraint(operands, nb_operands1, str, NULL); k = find_constraint(operands, nb_operands1, str, NULL);
@ -780,9 +788,8 @@ static void asm_compute_constraints(uint8_t *regs_allocated,
j, str); j, str);
op->ref_index = k; op->ref_index = k;
str = operands[k].constraint; str = operands[k].constraint;
str = skip_constraint_modifiers(str);
} }
while (*str == '=' || *str == '&' || *str == '+')
str++;
op->priority = constraint_priority(str); op->priority = constraint_priority(str);
} }
@ -815,8 +822,7 @@ static void asm_compute_constraints(uint8_t *regs_allocated,
str = operands[op->ref_index].constraint; str = operands[op->ref_index].constraint;
} }
while (*str == '=' || *str == '&' || *str == '+') str = skip_constraint_modifiers(str);
str++;
try_next: try_next:
c = *str++; c = *str++;
switch(c) { switch(c) {