URL https://opencores.org/ocsvn/neorv32/neorv32/trunk

Subversion Repositories neorv32

[/] [neorv32/] [trunk/] [sw/] [example/] [floating_point_test/] [main.c] - Diff between revs 60 and 62

Rev 60	Rev 62
Line 146...	Line 146...
`neorv32_uart_printf("SILENT_MODE enabled (only showing actual errors)\n");`	`neorv32_uart_printf("SILENT_MODE enabled (only showing actual errors)\n");`
`#endif`	`#endif`
`neorv32_uart_printf("Test cases per instruction: %u\n", (uint32_t)NUM_TEST_CASES);`	`neorv32_uart_printf("Test cases per instruction: %u\n", (uint32_t)NUM_TEST_CASES);`
`neorv32_uart_printf("NOTE: The NEORV32 FPU does not support subnormal numbers yet. Subnormal numbers are flushed to zero.\n\n");`	`neorv32_uart_printf("NOTE: The NEORV32 FPU does not support subnormal numbers yet. Subnormal numbers are flushed to zero.\n\n");`

	`// enable FPU extension`
	`uint32_t mstatus = neorv32_cpu_csr_read(CSR_MSTATUS);`
	`mstatus \|= 1 << CSR_MSTATUS_FS_L; // state = initial`
	`neorv32_cpu_csr_write(CSR_MSTATUS, mstatus);`

`// clear exception status word`	`// clear exception status word`
`neorv32_cpu_csr_write(CSR_FFLAGS, 0);; // real hardware`	`neorv32_cpu_csr_write(CSR_FFLAGS, 0); // real hardware`
`feclearexcept(FE_ALL_EXCEPT); // software runtime (GCC floating-point emulation)`	`feclearexcept(FE_ALL_EXCEPT); // software runtime (GCC floating-point emulation)`


`// ----------------------------------------------------------------------------`	`// ----------------------------------------------------------------------------`
`// Conversion Tests`	`// Conversion Tests`