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test(branch_addr_calc.cpp): Updated test
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,102 +1,55 @@ | ||
| #include <cstdint> | ||
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| #include <catch2/catch_test_macros.hpp> | ||
| #include <NyuTestUtil.hpp> | ||
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| #include <VBranch_Addr_Calc.h> | ||
| #include <cstdint> | ||
| #include <stdlib.h> | ||
| #include <math.h> | ||
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| TEST_CASE("PC No Branch") { //Case when branch_addr = pc + imm, but branch is not taken | ||
| VBranch_Addr_Calc model; | ||
| bool mode; | ||
| bool taken; | ||
| uint32_t imm; | ||
| uint32_t rs1d; | ||
| uint32_t pc_in; | ||
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| static void eval(bool mode, bool taken, std::uint32_t imm, std::uint32_t rs1d, std::uint32_t pc_in) { | ||
| auto& bac {nyu::getDUT<VBranch_Addr_Calc>()}; | ||
| bac.addr_mode = mode; | ||
| bac.branch_taken = taken; | ||
| bac.imm = imm; | ||
| bac.rs1d = rs1d; | ||
| bac.pc_in = pc_in; | ||
| nyu::eval(bac); | ||
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| INFO("Testing imm = " << imm << ", rs1d = " << rs1d << ", and pc_in = " << pc_in); | ||
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| for (int i = 0; i < 1000; i++) { | ||
| imm = rand() % (int) (pow(2, 32)); | ||
| rs1d = rand() % (int) (pow(2, 32)); | ||
| mode = 0; | ||
| taken = 0; | ||
| if(mode) REQUIRE((uint32_t) bac.branch_addr == (uint32_t) (imm + rs1d)); | ||
| else REQUIRE((uint32_t) bac.branch_addr == (uint32_t) (pc_in + imm)); | ||
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| if(taken) REQUIRE((uint32_t) bac.npc == (uint32_t) bac.branch_addr); | ||
| else REQUIRE((uint32_t) bac.npc == (uint32_t) pc_in); | ||
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| model.addr_mode = mode; | ||
| model.imm = imm; | ||
| model.rs1d = rs1d; | ||
| model.branch_taken = taken; | ||
| model.eval(); | ||
| REQUIRE((uint32_t) model.branch_addr == (uint32_t) (model.pc_in + model.imm)); | ||
| REQUIRE((uint32_t) model.npc == (uint32_t) model.pc_in); | ||
| } | ||
| } | ||
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| TEST_CASE("PC Branch") { //Case when branch_addr = pc + imm, and branch is taken | ||
| VBranch_Addr_Calc model; | ||
| bool mode; | ||
| bool taken; | ||
| uint32_t imm; | ||
| uint32_t rs1d; | ||
| uint32_t pc_in; | ||
| static void test(bool mode, bool taken) { | ||
| for(std::uint32_t imm {0}; imm < 128; ++imm) | ||
| for(std::uint32_t rs1d {0}; rs1d < 128; ++rs1d) | ||
| for(std::uint32_t pc_in {0}; pc_in < 128; ++pc_in) | ||
| eval(mode, taken, imm, rs1d, pc_in); | ||
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| for (int i = 0; i < 1000; i++) { | ||
| imm = rand() % (int) (pow(2, 32)); | ||
| rs1d = rand() % (int) (pow(2, 32)); | ||
| mode = 0; | ||
| taken = 1; | ||
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| model.addr_mode = mode; | ||
| model.imm = imm; | ||
| model.rs1d = rs1d; | ||
| model.branch_taken = taken; | ||
| model.eval(); | ||
| REQUIRE((uint32_t) model.branch_addr == (uint32_t) (model.pc_in + model.imm)); | ||
| REQUIRE((uint32_t) model.npc == (uint32_t) model.branch_addr); | ||
| } | ||
| for(std::uint32_t imm {1}; imm; imm <<= 1) | ||
| for(std::uint32_t rs1d {1}; rs1d; rs1d <<= 1) | ||
| for(std::uint32_t pc_in {1}; pc_in; pc_in <<= 1) | ||
| eval(mode, taken, imm, rs1d, pc_in); | ||
| } | ||
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| TEST_CASE("RS1D No Branch") { //Case when branch_addr = imm + rs1d, but branch is not taken | ||
| VBranch_Addr_Calc model; | ||
| bool mode; | ||
| bool taken; | ||
| uint32_t imm; | ||
| uint32_t rs1d; | ||
| uint32_t pc_in; | ||
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| for (int i = 0; i < 1000; i++) { | ||
| imm = rand() % (int) (pow(2, 32)); | ||
| rs1d = rand() % (int) (pow(2, 32)); | ||
| mode = 1; | ||
| taken = 0; | ||
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| model.addr_mode = mode; | ||
| model.imm = imm; | ||
| model.rs1d = rs1d; | ||
| model.branch_taken = taken; | ||
| model.eval(); | ||
| REQUIRE((uint32_t) model.branch_addr == (uint32_t) (model.imm + model.rs1d)); | ||
| REQUIRE((uint32_t) model.npc == (uint32_t) model.pc_in); | ||
| } | ||
| TEST_CASE("PC No Branch") { //Case when branch_addr = pc + imm, but branch is not taken (addr mode 0, taken 0) | ||
| test(0, 0); | ||
| } | ||
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| TEST_CASE("RS1D Branch") { //Case when branch_addr = rs1d, and branch is taken | ||
| VBranch_Addr_Calc model; | ||
| bool mode; | ||
| bool taken; | ||
| uint32_t imm; | ||
| uint32_t rs1d; | ||
| uint32_t pc_in; | ||
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| for (int i = 0; i < 1000; i++) { | ||
| imm = rand() % (int) (pow(2, 32)); | ||
| rs1d = rand() % (int) (pow(2, 32)); | ||
| mode = 1; | ||
| taken = 1; | ||
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| model.addr_mode = mode; | ||
| model.imm = imm; | ||
| model.rs1d = rs1d; | ||
| model.branch_taken = taken; | ||
| model.eval(); | ||
| REQUIRE((uint32_t) model.branch_addr == (uint32_t) (model.imm + model.rs1d)); | ||
| REQUIRE((uint32_t) model.npc == (uint32_t) model.branch_addr); | ||
| } | ||
| TEST_CASE("PC Branch") { //Case when branch_addr = pc + imm, and branch is taken (addr mode 0, taken 1) | ||
| test(0, 1); | ||
| } | ||
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| TEST_CASE("RS1D No Branch") { //Case when branch_addr = imm + rs1d, but branch is not taken (addr mode 1, taken 0) | ||
| test(1, 0); | ||
| } | ||
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| TEST_CASE("RS1D Branch") { //Case when branch_addr = rs1d, and branch is taken (addr mode 1, taken 1) | ||
| test(1, 1); | ||
| } |