x86: Update user interrupt handler stack frame

x86: Update user interrupt handler stack frame

User interrupt handler stack frame is similar to exception interrupt
handler stack frame.  Instead of error code, the second argument is
user interrupt request register vector.

gcc/

	PR target/98219
	* config/i386/uintrintrin.h (__uintr_frame): Remove uirrv.

gcc/testsuite/

	PR target/98219
	* gcc.dg/guality/pr98219-1.c: New test.
	* gcc.dg/guality/pr98219-2.c: Likewise.
	* gcc.dg/torture/pr98219-1.c: Likewise.
	* gcc.dg/torture/pr98219-2.c: Likewise.
	* gcc.target/i386/uintr-2.c: Scan "add[lq] $8, %[er]sp".
	(uword_t): New.
	(foo): Add a uword_t argument.
	(UINTR_hanlder): Likewise.
	* gcc.target/i386/uintr-3.c: Scan "add[lq] $8, %[er]sp".
	(uword_t): New.
	(UINTR_hanlder): Add a uword_t argument.
	* gcc.target/i386/uintr-4.c (uword_t): New.
	(UINTR_hanlder): Add a uword_t argument.
	* gcc.target/i386/uintr-5.c (uword_t): New.
	(UINTR_hanlder): Add a uword_t argument.