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* config/tc-mips.c (my_getSmallExpression): Rework bracket handling.

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testsuite/
	* gas/mips/expr1.[sd]: New test.
	* gas/mips/mips.exp: Run it.
This commit is contained in:
Richard Sandiford
2003-02-07 15:06:33 +00:00
parent 589e6347e9
commit 09b8f35ab2
6 changed files with 64 additions and 21 deletions
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46
gas/config/tc-mips.c
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@@ -10020,36 +10020,40 @@ my_getSmallExpression (ep, reloc, str)
{
bfd_reloc_code_real_type reversed_reloc[3];
size_t reloc_index, i;
int bracket_depth;
reloc_index = 0;
bracket_depth = 0;
int crux_depth, str_depth;
char *crux;
/* Search for the start of the main expression, recoding relocations
in REVERSED_RELOC. */
for (;;)
in REVERSED_RELOC. End the loop with CRUX pointing to the start
of the main expression and with CRUX_DEPTH containing the number
of open brackets at that point. */
reloc_index = -1;
str_depth = 0;
do
{
if (*str == '(')
bracket_depth++, str++;
else if (*str == ' ' || *str == '\t')
str++;
else if (*str == '%'
&& reloc_index < (HAVE_NEWABI ? 3 : 1)
&& parse_relocation (&str, &reversed_reloc[reloc_index]))
reloc_index++;
else
break;
}
reloc_index++;
crux = str;
crux_depth = str_depth;
my_getExpression (ep, str);
/* Skip over whitespace and brackets, keeping count of the number
of brackets. */
while (*str == ' ' || *str == '\t' || *str == '(')
if (*str++ == '(')
str_depth++;
}
while (*str == '%'
&& reloc_index < (HAVE_NEWABI ? 3 : 1)
&& parse_relocation (&str, &reversed_reloc[reloc_index]));
my_getExpression (ep, crux);
str = expr_end;
/* Match every open bracket. */
while (bracket_depth > 0 && (*str == ')' || *str == ' ' || *str == '\t'))
while (crux_depth > 0 && (*str == ')' || *str == ' ' || *str == '\t'))
if (*str++ == ')')
bracket_depth--;
crux_depth--;
if (bracket_depth > 0)
if (crux_depth > 0)
as_bad ("unclosed '('");
expr_end = str;