re PR target/81616 (Update -mtune=generic for the current Intel and AMD processors)

re PR target/81616 (Update -mtune=generic for the current Intel and AMD processors)

	PR target/81616
	* x86-tnue-costs.h (generic_cost): Revise for modern CPUs
	* gcc.target/i386/l_fma_double_1.c: Update count of fma instructions.
	* gcc.target/i386/l_fma_double_2.c: Update count of fma instructions.
	* gcc.target/i386/l_fma_double_3.c: Update count of fma instructions.
	* gcc.target/i386/l_fma_double_4.c: Update count of fma instructions.
	* gcc.target/i386/l_fma_double_5.c: Update count of fma instructions.
	* gcc.target/i386/l_fma_double_6.c: Update count of fma instructions.
	* gcc.target/i386/l_fma_float_1.c: Update count of fma instructions.
	* gcc.target/i386/l_fma_float_2.c: Update count of fma instructions.
	* gcc.target/i386/l_fma_float_3.c: Update count of fma instructions.
	* gcc.target/i386/l_fma_float_4.c: Update count of fma instructions.
	* gcc.target/i386/l_fma_float_5.c: Update count of fma instructions.
	* gcc.target/i386/l_fma_float_6.c: Update count of fma instructions.

From-SVN: r255268