struct T { const char *p; };
struct S { T a, b, c; unsigned d; };
void bar (const T &, const T &);
void
foo (S &s, T e)
{
const char *a = e.p;
const char *b = s.b.p;
__asm__ volatile ("/* %0 %1 */" : : "rm" (a), "rm" (b));
bar (e, s.b);
}
has PRE_MODIFY and PRE_INC in MEM operands of ASM_OPERANDS. I can't see how
that can be right - there is no guarantee that the operand is used in the asm
at all, and even when it is used, it would have to be used in a load or store
with update insn.
--
Summary: auto-inc-dec pushes PRE_MODIFY/PRE_INC into inline asm
operands
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Keywords: wrong-code
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: jakub at gcc dot gnu dot org
GCC target triplet: powerpc64-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44492
