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re PR c/5609 (ICE on named operands in inline assembler)

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PR c/5609
        * stmt.c (resolve_operand_name_1): Take more care with mixed
        named and unnamed operands.

        * gcc.dg/asm-4.c: Add case with an unnamed operand in the middle.

From-SVN: r49560
This commit is contained in:
Richard Henderson 2002-02-06 17:38:40 -08:00 • committed by Richard Henderson
parent 448f456d7a
commit edd1967d0c
4 changed files with 25 additions and 6 deletions
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6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2002-02-06 Richard Henderson <rth@redhat.com>
PR c/5609
* stmt.c (resolve_operand_name_1): Take more care with mixed
named and unnamed operands.
2002-02-06 Janis Johnson <janis187@us.ibm.com>
Jan Hubicka <jh@suse.cz>

20
gcc/stmt.c
View file

@ -2149,15 +2149,23 @@ resolve_operand_name_1 (p, outputs, inputs)
/* Resolve the name to a number. */
for (op = 0, t = outputs; t ; t = TREE_CHAIN (t), op++)
{
const char *c = IDENTIFIER_POINTER (TREE_PURPOSE (TREE_PURPOSE (t)));
if (strncmp (c, p + 1, len) == 0 && c[len] == '\0')
goto found;
tree id = TREE_PURPOSE (TREE_PURPOSE (t));
if (id)
{
const char *c = IDENTIFIER_POINTER (id);
if (strncmp (c, p + 1, len) == 0 && c[len] == '\0')
goto found;
}
}
for (t = inputs; t ; t = TREE_CHAIN (t), op++)
{
const char *c = IDENTIFIER_POINTER (TREE_PURPOSE (TREE_PURPOSE (t)));
if (strncmp (c, p + 1, len) == 0 && c[len] == '\0')
goto found;
tree id = TREE_PURPOSE (TREE_PURPOSE (t));
if (id)
{
const char *c = IDENTIFIER_POINTER (id);
if (strncmp (c, p + 1, len) == 0 && c[len] == '\0')
goto found;
}
}
*q = '\0';

4
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,7 @@
2002-02-06 Richard Henderson <rth@redhat.com>
* gcc.dg/asm-4.c: Add case with an unnamed operand in the middle.
2002-02-06 Janis Johnson <janis187@us.ibm.com>
* gcc.dg/20020206-1.c: New test.

1
gcc/testsuite/gcc.dg/asm-4.c
View file

@ -8,6 +8,7 @@ int main()
asm volatile ("test0 X%0Y%[arg]Z" : [arg] "=g" (x));
asm volatile ("test1 X%[out]Y%[in]Z" : [out] "=g" (y) : [in] "0"(y));
asm volatile ("test2 X%a0Y%a[arg]Z" : : [arg] "p" (&z));
asm volatile ("test3 %[in]" : [inout] "=g"(x) : "[inout]" (x), [in] "g" (y));
}
/* ??? Someone explain why the back reference dosn't work. */