x86: Pass -mno-80387 to compile pr121208-1(a|b).c

x86: Pass -mno-80387 to compile pr121208-1(a|b).c

Pass -mno-80387 to compile pr121208-1(a|b).c to silence

.../pr121208-1a.c:11:1: sorry, unimplemented: 80387 instructions aren’t allowed in a function with the ‘no_caller_saved_registers’ attribute

Partially backport the PR target/121540 fix

9d7f45e9806 x86: Disallow MMX and 80387 in no_caller_saved_registers function

to also add -mno-sse -mno-mmx.

	PR target/121208
	* gcc.target/i386/pr121208-1a.c (dg-options): Add
	-mno-sse -mno-mmx -mno-80387.
	* gcc.target/i386/pr121208-1b.c (dg-options): Likewise.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
(cherry picked from commit c6d1f58da7eb72e8bac307d342e4655012b36a89)