The mode of pointer argument should equal ptr_mode, not Pmode.
2022-06-17 Uroš Bizjak <ubizjak@gmail.com>
gcc/ChangeLog:
PR target/105970
* config/i386/i386.cc (ix86_function_arg): Assert that
the mode of pointer argumet is equal to ptr_mode, not Pmode.
gcc/testsuite/ChangeLog:
PR target/105970
* gcc.target/i386/pr105970.c: New test.
(cherry picked from commit
1f8278bfcfc7f7157bf2b405471e67dd5097636b)
if (POINTER_TYPE_P (arg.type))
{
/* This is the pointer argument. */
- gcc_assert (TYPE_MODE (arg.type) == Pmode);
+ gcc_assert (TYPE_MODE (arg.type) == ptr_mode);
/* It is at -WORD(AP) in the current frame in interrupt and
exception handlers. */
reg = plus_constant (Pmode, arg_pointer_rtx, -UNITS_PER_WORD);
--- /dev/null
+/* PR target/105970 */
+/* { dg-do compile { target { ! ia32 } } } */
+/* { dg-require-effective-target maybe_x32 } */
+/* { dg-options "-mx32 -mgeneral-regs-only -maddress-mode=long" } */
+
+#include "../../gcc.dg/torture/pr68037-1.c"