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author | Flavian Kaufmann <flavian@flaviankaufmann.ch> | 2024-05-01 16:47:56 +0200 |
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committer | Flavian Kaufmann <flavian@flaviankaufmann.ch> | 2024-05-01 16:47:56 +0200 |
commit | 2a3951a25ffe28342177e29cf97125ed89ca59a4 (patch) | |
tree | c34e152c2c734cb9f8d37da004e9af41e4126348 /tests/generate_alu_tests.c | |
parent | 62fec7789b516561903358a29b45bd4a6746861f (diff) | |
download | riscv_cpu-2a3951a25ffe28342177e29cf97125ed89ca59a4.tar.gz riscv_cpu-2a3951a25ffe28342177e29cf97125ed89ca59a4.zip |
added make target for testvec generation
Diffstat (limited to 'tests/generate_alu_tests.c')
-rw-r--r-- | tests/generate_alu_tests.c | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/tests/generate_alu_tests.c b/tests/generate_alu_tests.c deleted file mode 100644 index 39de43e..0000000 --- a/tests/generate_alu_tests.c +++ /dev/null @@ -1,112 +0,0 @@ -#include <stdbool.h> -#include <stdio.h> -#include <stdlib.h> -#include <time.h> - -typedef enum { - ADD = 0b0000, - SUB = 0b0001, - SLT = 0b0011, - - AND = 0b0100, - OR = 0b0101, - XOR = 0b0110, - - SLL = 0b1000, - SRL = 0b1001, - SRA = 0b1011, -} OP; - -void test_op(OP op, uint32_t a, uint32_t b) { - uint32_t result; - bool zero; - - switch (op) { - case ADD: - result = a + b; - break; - case SUB: - result = a - b; - break; - case SLT: - result = (int32_t)a < (int32_t)b; - break; - - case AND: - result = a & b; - break; - case OR: - result = a | b; - break; - case XOR: - result = a ^ b; - break; - - case SLL: - result = a << b % 32; - break; - case SRL: - result = a >> b % 32; - break; - case SRA: - result = ((int32_t)a) >> b % 32; - break; - } - - zero = result == 0; - - printf("%01X__%08X_%08X__%08X_%01X\n", op & 0x0f, a, b, result, zero); -} - -void test_op_random(OP op, int num) { - for (int i = 0; i < num; ++i) { - uint32_t a = (rand() << 16) | rand(); - uint32_t b = (rand() << 16) | rand(); - test_op(op, a, b); - } -} - -int main(int argc, const char *argv[]) { - srand(time(NULL)); - - test_op_random(ADD, 1000); - test_op(ADD, 0x00000000, 0x00000000); - test_op(ADD, 0xffffffff, 0xffffffff); - test_op(ADD, 0xffffffff, 0x00000001); - test_op_random(SUB, 1000); - test_op(SUB, 0xffffffff, 0xffffffff); - test_op_random(SLT, 1000); - test_op(SLT, 0x8fffffff, 0xffffffff); - test_op(SLT, 0xffffffff, 0x00000001); - test_op(SLT, 0x00000001, 0xffffffff); - - test_op_random(OR, 1000); - test_op(OR, 0x00000000, 0x00000000); - test_op(OR, 0xffffffff, 0x00000000); - test_op(OR, 0x00000000, 0xffffffff); - test_op(OR, 0xffffffff, 0xffffffff); - test_op_random(AND, 1000); - test_op(AND, 0x00000000, 0x00000000); - test_op(AND, 0xffffffff, 0x00000000); - test_op(AND, 0x00000000, 0xffffffff); - test_op(AND, 0xffffffff, 0xffffffff); - test_op_random(XOR, 1000); - test_op(XOR, 0x00000000, 0x00000000); - test_op(XOR, 0xffffffff, 0x00000000); - test_op(XOR, 0x00000000, 0xffffffff); - test_op(XOR, 0xffffffff, 0xffffffff); - - test_op_random(SLL, 1000); - test_op(SLL, 0x0000000f, 0x00000004); - test_op(SLL, 0xffffffff, 0x0000001c); - test_op(SLL, 0xf0000000, 0x00000002); - test_op(SLL, 0x01234567, 0x00000001); - test_op_random(SRL, 1000); - test_op(SRL, 0xf0000000, 0x0000001c); - test_op(SRL, 0x0000000f, 0x0000004); - test_op_random(SRA, 1000); - test_op(SRA, 0xf0000000, 0x0000001c); - test_op(SRA, 0x0000000f, 0x0000004); - - return 0; -} |