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loop.c (express_from_1): Fix CONSTANT_P(a) case.

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* loop.c (express_from_1): Fix CONSTANT_P(a) case.

	* gcc.c-torture/compile/20010903-1.c: New test.

From-SVN: r45365
This commit is contained in:
Jakub Jelinek 2001-09-03 22:54:02 +02:00 committed by Jakub Jelinek
parent 964be02f44
commit 7743fdb993
4 changed files with 37 additions and 1 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2001-09-03 Jakub Jelinek <jakub@redhat.com>
* loop.c (express_from_1): Fix CONSTANT_P(a) case.
2001-09-03 Richard Henderson <rth@redhat.com>
* function.h (struct function): Add arg_pointer_save_area_init.

2
gcc/loop.c
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@ -6371,7 +6371,7 @@ express_from_1 (a, b, mult)
}
else if (CONSTANT_P (a))
{
return simplify_gen_binary (MINUS, GET_MODE (b) != VOIDmode ? GET_MODE (b) : GET_MODE (a), const0_rtx, a);
return simplify_gen_binary (MINUS, GET_MODE (b) != VOIDmode ? GET_MODE (b) : GET_MODE (a), b, a);
}
else if (GET_CODE (b) == PLUS)
{

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2001-09-03 Jakub Jelinek <jakub@redhat.com>
* gcc.c-torture/compile/20010903-1.c: New test.
2001-08-31 Roman Zippel <zippel@linux-m68k.org>
* testsuite/gcc.c-torture/execute/ieee/ieee.exp: Add -ffloat-store

28
gcc/testsuite/gcc.c-torture/compile/20010903-1.c Normal file
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@ -0,0 +1,28 @@
struct A {
long a;
};
static inline void foo(struct A *x)
{
__asm__ __volatile__("" : "+m"(x->a) : "r"(x) : "memory", "cc");
}
static inline void bar(struct A *x)
{
foo(x);
}
struct B { char buf[640]; struct A a; };
struct B b[32];
int baz(void)
{
int i;
struct B *j;
for (i = 1; i < 32; i++)
{
j = &b[i];
bar(&j->a);
}
return 0;
}