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CLK/OSBindings/Mac/Clock SignalTests/DingusdevPowerPCTests.mm

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//
// DingusdevPowerPCTests.mm
// Clock Signal
//
// Created by Thomas Harte on 18/03/2022.
// Copyright 2022 Thomas Harte. All rights reserved.
//
#import <XCTest/XCTest.h>
#include <cstdlib>
#include "../../../InstructionSets/PowerPC/Decoder.hpp"
using namespace InstructionSet::PowerPC;
@interface NSString (HexConversion)
- (long int)hexInt;
@end
@implementation NSString (HexConversion)
- (long int)hexInt {
return strtol([self UTF8String], NULL, 16);
}
@end
@interface DingusdevPowerPCTests : XCTestCase
@end
namespace {
enum class NamingConvention {
None = 0,
ApplyO = 1,
ApplyE = 2,
ApplyOE = 3
};
/// Converts any underscores in @c rhs to dots.
///
/// If convention != NamingConvention::None, trims the trailing 'x' from the @c rhs and
/// appends one or more of @c o and @c . depending on the @c oe() and @c rc() flags of @c instruction.
///
/// Then compares with the @c lhs.
void AssertEqualOperationName(NSString *lhs, NSString *rhs, Instruction instruction = Instruction(), NamingConvention convention = NamingConvention::None) {
rhs = [rhs stringByReplacingOccurrencesOfString:@"_" withString:@"."];
if(convention != NamingConvention::None) {
XCTAssert([rhs characterAtIndex:rhs.length - 1] == 'x');
rhs = [rhs substringToIndex:rhs.length - 1];
}
if(int(convention) & int(NamingConvention::ApplyO) && instruction.oe()) rhs = [rhs stringByAppendingString:@"o"];
if(int(convention) & int(NamingConvention::ApplyE) && instruction.rc()) rhs = [rhs stringByAppendingString:@"."];
XCTAssertEqualObjects(lhs, rhs);
}
void AssertEqualOperationNameE(NSString *lhs, NSString *rhs, Instruction instruction) {
AssertEqualOperationName(lhs, rhs, instruction, NamingConvention::ApplyE);
}
void AssertEqualOperationNameOE(NSString *lhs, NSString *rhs, Instruction instruction) {
AssertEqualOperationName(lhs, rhs, instruction, NamingConvention::ApplyOE);
}
/// Forms the string @c r[reg] and compares it to @c name
void AssertEqualR(NSString *name, uint32_t reg, bool permitR0 = true) {
NSString *const regName = (reg || permitR0) ? [NSString stringWithFormat:@"r%d", reg] : @"0";
XCTAssertEqualObjects(name, regName);
}
/// Forms the string @c f[reg] and compares it to @c name
void AssertEqualFR(NSString *name, uint32_t reg, bool permitR0 = true) {
NSString *const regName = (reg || permitR0) ? [NSString stringWithFormat:@"f%d", reg] : @"0";
XCTAssertEqualObjects(name, regName);
}
/// @returns the text name of the condition code @c code
NSString *condition(uint32_t code) {
NSString *suffix;
switch(Condition(code & 3)) {
default: break;
case Condition::Negative: suffix = @"lt"; break;
case Condition::Positive: suffix = @"gt"; break;
case Condition::Zero: suffix = @"eq"; break;
case Condition::SummaryOverflow: suffix = @"so"; break;
}
if(code & ~3) {
return [NSString stringWithFormat:@"4*cr%d+%@", code >> 2, suffix];
} else {
return suffix;
}
}
NSString *conditionreg(uint32_t code) {
return [NSString stringWithFormat:@"cr%d", code];
}
NSString *offset(Instruction instruction) {
NSString *const hexPart = [NSString stringWithFormat:@"%s%X", (instruction.d() < 0) ? "-0x" : "0x", abs(instruction.d())];
if(instruction.rA()) {
return [hexPart stringByAppendingFormat:@"(r%d)", instruction.rA()];
} else {
return hexPart;
}
}
}
@implementation DingusdevPowerPCTests
- (void)testDecoding {
NSData *const testData =
[NSData dataWithContentsOfURL:
[[NSBundle bundleForClass:[self class]]
URLForResource:@"ppcdisasmtest"
withExtension:@"csv"
subdirectory:@"dingusdev PowerPC tests"]];
NSString *const wholeFile = [[NSString alloc] initWithData:testData encoding:NSUTF8StringEncoding];
NSArray<NSString *> *const lines = [wholeFile componentsSeparatedByString:@"\n"];
InstructionSet::PowerPC::Decoder<InstructionSet::PowerPC::Model::MPC601, true> decoder;
for(NSString *const line in lines) {
// Ignore empty lines and comments.
if([line length] == 0) {
continue;
}
if([line characterAtIndex:0] == '#') {
continue;
}
NSArray<NSString *> *const columns = [line componentsSeparatedByString:@","];
// Columns are 1: address; 2: opcode; 3–: specific to the instruction.
const auto address = uint32_t([columns[0] hexInt]);
const auto opcode = uint32_t([columns[1] hexInt]);
NSString *const operation = columns[2];
const auto instruction = decoder.decode(opcode);
// Deal with some of the simplified mnemonics as special cases;
// underlying observation: distinguishing special cases isn't that
// important to a mere decoder.
if([operation isEqualToString:@"nop"]) {
// These tests use ORI for NOP.
XCTAssertEqual(instruction.operation, Operation::ori);
XCTAssertEqual(instruction.rD(), instruction.rA());
XCTAssertEqual(instruction.simm(), 0);
continue;
}
if([operation isEqualToString:@"mr"] || [operation isEqualToString:@"mr."]) {
// OR is used to achieve MR (i.e. move register).
XCTAssertEqual(instruction.operation, Operation::orx);
XCTAssertEqual((instruction.rc() != 0), ([operation characterAtIndex:operation.length - 1] == '.'));
AssertEqualR(columns[3], instruction.rA());
AssertEqualR(columns[4], instruction.rS());
AssertEqualR(columns[4], instruction.rB());
continue;
}
if([operation isEqualToString:@"li"]) {
// ADDI is used to achieve LI (i.e. load immediate).
XCTAssertEqual(instruction.operation, Operation::addi);
AssertEqualR(columns[3], instruction.rD());
XCTAssertEqual(0, instruction.rA());
XCTAssertEqual([columns[4] hexInt], instruction.simm());
continue;
}
switch(instruction.operation) {
default:
NSAssert(FALSE, @"Didn't handle %@", line);
break;
case Operation::Undefined:
XCTAssertEqualObjects(operation, @"dc.l");
break;
case Operation::rlwimix: {
// This maps the opposite way from most of the other tests
// owing to the simplified names being a shade harder to
// detect motivationally.
XCTAssertEqual((instruction.rc() != 0), ([operation characterAtIndex:operation.length - 1] == '.'));
AssertEqualR(columns[3], instruction.rA());
AssertEqualR(columns[4], instruction.rS());
const auto n = [columns[5] intValue];
const auto b = [columns[6] intValue];
if([operation isEqualToString:@"inslwi"] || [operation isEqualToString:@"inslwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), 32 - b);
XCTAssertEqual(instruction.mb<uint32_t>(), b);
XCTAssertEqual(instruction.me<uint32_t>(), b + n - 1);
break;
}
if([operation isEqualToString:@"insrwi"] || [operation isEqualToString:@"insrwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), 32 - (b + n));
XCTAssertEqual(instruction.mb<uint32_t>(), b);
XCTAssertEqual(instruction.me<uint32_t>(), b + n - 1);
break;
}
NSAssert(FALSE, @"Didn't handle rlwimix %@", line);
} break;
case Operation::rlwnmx: {
XCTAssertEqual((instruction.rc() != 0), ([operation characterAtIndex:operation.length - 1] == '.'));
AssertEqualR(columns[3], instruction.rA());
AssertEqualR(columns[4], instruction.rS());
AssertEqualR(columns[5], instruction.rB());
if([operation isEqualToString:@"rotlw"] || [operation isEqualToString:@"rotlw."]) {
XCTAssertEqual(instruction.mb<uint32_t>(), 0);
XCTAssertEqual(instruction.me<uint32_t>(), 31);
break;
}
NSAssert(FALSE, @"Didn't handle rlwnmx %@", line);
} break;
case Operation::rlwinmx: {
// This maps the opposite way from most of the other tests
// owing to the simplified names being a shade harder to
// detect motivationally.
XCTAssertEqual((instruction.rc() != 0), ([operation characterAtIndex:operation.length - 1] == '.'));
AssertEqualR(columns[3], instruction.rA());
AssertEqualR(columns[4], instruction.rS());
const auto n = [columns[5] intValue];
const auto b = columns.count > 6 ? [columns[6] intValue] : 0;
if([operation isEqualToString:@"extlwi"] || [operation isEqualToString:@"extlwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), b);
XCTAssertEqual(instruction.mb<uint32_t>(), 0);
XCTAssertEqual(instruction.me<uint32_t>(), n - 1);
break;
}
if([operation isEqualToString:@"extrwi"] || [operation isEqualToString:@"extrwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), b + n);
XCTAssertEqual(instruction.mb<uint32_t>(), 32 - n);
XCTAssertEqual(instruction.me<uint32_t>(), 31);
break;
}
if([operation isEqualToString:@"rotlwi"] || [operation isEqualToString:@"rotlwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), n);
XCTAssertEqual(instruction.mb<uint32_t>(), 0);
XCTAssertEqual(instruction.me<uint32_t>(), 31);
break;
}
if([operation isEqualToString:@"rotrwi"] || [operation isEqualToString:@"rotrwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), 32 - n);
XCTAssertEqual(instruction.mb<uint32_t>(), 0);
XCTAssertEqual(instruction.me<uint32_t>(), 31);
break;
}
if([operation isEqualToString:@"slwi"] || [operation isEqualToString:@"slwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), n);
XCTAssertEqual(instruction.mb<uint32_t>(), 0);
XCTAssertEqual(instruction.me<uint32_t>(), 31 - n);
break;
}
if([operation isEqualToString:@"srwi"] || [operation isEqualToString:@"srwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), 32 - n);
XCTAssertEqual(instruction.mb<uint32_t>(), n);
XCTAssertEqual(instruction.me<uint32_t>(), 31);
break;
}
if([operation isEqualToString:@"clrlwi"] || [operation isEqualToString:@"clrlwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), 0);
XCTAssertEqual(instruction.mb<uint32_t>(), n);
XCTAssertEqual(instruction.me<uint32_t>(), 31);
break;
}
if([operation isEqualToString:@"clrrwi"] || [operation isEqualToString:@"clrrwi."]) {
XCTAssertEqual(instruction.sh<uint32_t>(), 0);
XCTAssertEqual(instruction.mb<uint32_t>(), 0);
XCTAssertEqual(instruction.me<uint32_t>(), 31 - n);
break;
}
if([operation isEqualToString:@"clrlslwi"] || [operation isEqualToString:@"clrlslwi."]) {
// FreeScale switched the order of b and n in the short-form instruction here;
// they are therefore transposed in the tests below.
XCTAssertEqual(instruction.sh<uint32_t>(), b);
XCTAssertEqual(instruction.mb<uint32_t>(), n - b);
XCTAssertEqual(instruction.me<uint32_t>(), 31 - b);
break;
}
NSAssert(FALSE, @"Didn't handle rlwinmx %@", line);
} break;
case Operation::tw:
AssertEqualOperationName(operation, @"tw");
XCTAssertEqual([columns[3] intValue], instruction.to());
AssertEqualR(columns[4], instruction.rA());
AssertEqualR(columns[5], instruction.rB());
break;
case Operation::twi:
AssertEqualOperationName(operation, @"twi");
XCTAssertEqual([columns[3] intValue], instruction.to());
AssertEqualR(columns[4], instruction.rA());
XCTAssertEqual([columns[5] hexInt], instruction.simm());
break;
case Operation::mtfsfx:
AssertEqualOperationNameE(operation, @"mtfsfx", instruction);
XCTAssertEqual([columns[3] intValue], instruction.fm());
AssertEqualFR(columns[4], instruction.frB());
break;
case Operation::mtfsfix:
AssertEqualOperationNameE(operation, @"mtfsfix", instruction);
XCTAssertEqualObjects(columns[3], conditionreg(instruction.crfD()));
XCTAssertEqual([columns[4] intValue], instruction.imm());
break;
case Operation::mcrxr:
AssertEqualOperationName(operation, @"mcrxr");
XCTAssertEqualObjects(columns[3], conditionreg(instruction.crfD()));
break;
case Operation::mffsx:
AssertEqualOperationNameE(operation, @"mffsx", instruction);
AssertEqualFR(columns[3], instruction.frD());
break;
case Operation::mtmsr:
AssertEqualOperationName(operation, @"mtmsr");
AssertEqualR(columns[3], instruction.rS());
break;
case Operation::mtsrin:
AssertEqualOperationName(operation, @"mtsrin");
AssertEqualR(columns[3], instruction.rD());
AssertEqualR(columns[4], instruction.rB());
break;
case Operation::clcs:
AssertEqualOperationName(operation, @"clcs");
AssertEqualR(columns[3], instruction.rD());
AssertEqualR(columns[4], instruction.rA());
break;
case Operation::mtsr:
AssertEqualOperationName(operation, @"mtsr");
XCTAssertEqual([columns[3] intValue], instruction.sr());
AssertEqualR(columns[4], instruction.rS());
break;
case Operation::tlbie:
AssertEqualOperationName(operation, @"tlbie");
AssertEqualR(columns[3], instruction.rB());
break;
case Operation::icbi:
AssertEqualOperationName(operation, @"icbi");
AssertEqualR(columns[3], instruction.rA(), false);
AssertEqualR(columns[4], instruction.rB());
break;
case Operation::lswi:
AssertEqualOperationName(operation, @"lswi");
AssertEqualR(columns[3], instruction.rD());
AssertEqualR(columns[4], instruction.rA());
XCTAssertEqual([columns[5] hexInt], instruction.nb());
break;
case Operation::stswi:
AssertEqualOperationName(operation, @"stswi");
AssertEqualR(columns[3], instruction.rS());
AssertEqualR(columns[4], instruction.rA());
XCTAssertEqual([columns[5] hexInt], instruction.nb());
break;
case Operation::rlmix:
AssertEqualOperationNameE(operation, @"rlmix", instruction);
AssertEqualR(columns[3], instruction.rA());
AssertEqualR(columns[4], instruction.rS());
AssertEqualR(columns[5], instruction.rB());
XCTAssertEqual([columns[6] intValue], instruction.mb<uint32_t>());
XCTAssertEqual([columns[7] intValue], instruction.me<uint32_t>());
break;
case Operation::cmp:
if([operation isEqualToString:@"cmpw"]) {
XCTAssertFalse(instruction.l());
XCTAssertFalse(instruction.crfD());
AssertEqualR(columns[3], instruction.rA());
AssertEqualR(columns[4], instruction.rB());
break;
}
if([operation isEqualToString:@"cmp"]) {
XCTAssertEqualObjects(columns[3], conditionreg(instruction.crfD()));
AssertEqualR(columns[4], instruction.rA());
AssertEqualR(columns[5], instruction.rB());
break;
}
NSAssert(FALSE, @"Didn't handle cmp %@", line);
break;
case Operation::cmpl:
if([operation isEqualToString:@"cmplw"]) {
XCTAssertFalse(instruction.l());
if(instruction.crfD()) {
XCTAssertEqualObjects(columns[3], conditionreg(instruction.crfD()));
AssertEqualR(columns[4], instruction.rA());
AssertEqualR(columns[5], instruction.rB());
} else {
AssertEqualR(columns[3], instruction.rA());
AssertEqualR(columns[4], instruction.rB());
}
break;
}
NSAssert(FALSE, @"Didn't handle cmpl %@", line);
break;
case Operation::cmpli:
case Operation::cmpi:
if([operation isEqualToString:@"cmpwi"] || [operation isEqualToString:@"cmplwi"]) {
XCTAssertFalse(instruction.l());
} else {
XCTAssertTrue(instruction.l());
}
XCTAssertEqualObjects(columns[3], conditionreg(instruction.crfD()));
AssertEqualR(columns[4], instruction.rA());
XCTAssertEqual([columns[5] hexInt], instruction.simm());
break;
case Operation::mtfsb0x:
case Operation::mtfsb1x:
AssertEqualOperationNameE(
operation,
instruction.operation == Operation::mtfsb0x ? @"mtfsb0x" : @"mtfsb1x",
instruction);
XCTAssertEqual([columns[3] intValue], instruction.crbD());
break;
#define NoArg(x) \
case Operation::x: \
AssertEqualOperationName(operation, @#x); \
break;
NoArg(isync);
NoArg(sync);
NoArg(eieio);
NoArg(tlbia);
#undef NoArg
#define D(x) \
case Operation::x: \
AssertEqualOperationName(operation, @#x); \
AssertEqualR(columns[3], instruction.rD()); \
break;
D(mfcr);
D(mfmsr);
#undef D
#define Shift(x) \
case Operation::x: \
AssertEqualOperationNameE(operation, @#x, instruction); \
AssertEqualR(columns[3], instruction.rA()); \
AssertEqualR(columns[4], instruction.rS()); \
AssertEqualR(columns[5], instruction.rB()); \
break;
Shift(slwx);
Shift(srwx);
Shift(srawx);
#undef Shift
#define ASsh(x) \
case Operation::x: \
AssertEqualOperationNameE(operation, @#x, instruction); \
AssertEqualR(columns[3], instruction.rA()); \
AssertEqualR(columns[4], instruction.rS()); \
XCTAssertEqual([columns[5] hexInt], instruction.sh<uint32_t>()); \
break;
ASsh(sliqx);
ASsh(slliqx);
ASsh(sraiqx);
ASsh(sriqx);
ASsh(srliqx);
ASsh(srawix);
#undef ASsh
#define CRMod(x) \
case Operation::x: \
AssertEqualOperationName(operation, @#x); \
XCTAssertEqualObjects(columns[3], condition(instruction.crbD())); \
XCTAssertEqualObjects(columns[4], condition(instruction.crbA())); \
XCTAssertEqualObjects(columns[5], condition(instruction.crbB())); \
break;
CRMod(crand);
CRMod(crandc);
CRMod(creqv);
CRMod(crnand);
CRMod(crnor);
CRMod(cror);
CRMod(crorc);
CRMod(crxor);
#undef CRMod
case Operation::mtcrf: {
AssertEqualOperationName(operation,
instruction.crm() != 0xff ? @"mtcrf" : @"mtcr");
AssertEqualR([columns lastObject], instruction.rS());
if(columns.count > 4) {
XCTAssertEqual([columns[3] hexInt], instruction.crm());
}
} break;
#define ArithImm(x) \
case Operation::x: { \
AssertEqualOperationName(operation, @#x); \
AssertEqualR(columns[3], instruction.rD()); \
AssertEqualR(columns[4], instruction.rA()); \
XCTAssertEqual([columns[5] hexInt], instruction.simm()); \
} break;
ArithImm(dozi);
ArithImm(addi);
ArithImm(addic);
ArithImm(addic_);
ArithImm(addis);
ArithImm(mulli);
ArithImm(subfic);
#undef ArithImm
#define LogicImm(x) \
case Operation::x: { \
AssertEqualOperationName(operation, @#x); \
AssertEqualR(columns[3], instruction.rA()); \
AssertEqualR(columns[4], instruction.rS()); \
XCTAssertEqual([columns[5] hexInt], instruction.uimm()); \
} break;
LogicImm(andi_);
LogicImm(andis_);
LogicImm(ori);
LogicImm(oris);
LogicImm(xori);
LogicImm(xoris);
#undef ArithImm
#define DAB(x) \
case Operation::x: \
AssertEqualOperationName(operation, @#x); \
AssertEqualR(columns[3], instruction.rD()); \
AssertEqualR(columns[4], instruction.rA(), false); \
AssertEqualR(columns[5], instruction.rB()); \
break;
DAB(lwzx);
DAB(lwzux);
DAB(lbzx);
DAB(lbzux);
DAB(lhzx);
DAB(lhzux);
DAB(lhax);
DAB(lhaux);
DAB(lhbrx);
DAB(lwbrx);
DAB(lwarx);
DAB(eciwx);
DAB(lswx);
DAB(lwa);
DAB(lwaux);
DAB(lwax);
#undef DAB
#define DAe(x) \
case Operation::x: \
AssertEqualOperationNameOE(operation, @#x, instruction); \
AssertEqualR(columns[3], instruction.rD()); \
AssertEqualR(columns[4], instruction.rA()); \
break;
DAe(negx);
DAe(subfzex);
DAe(subfmex);
DAe(absx);
DAe(nabsx);
DAe(addzex);
DAe(addmex);
#undef DAe
#define DABe(x) \
case Operation::x: \
AssertEqualOperationNameOE(operation, @#x, instruction); \
AssertEqualR(columns[3], instruction.rD()); \
AssertEqualR(columns[4], instruction.rA()); \
AssertEqualR(columns[5], instruction.rB()); \
break;
DABe(subfcx);
DABe(subfx);
DABe(subfex);
DABe(dozx);
DABe(addx);
DABe(addcx);
DABe(addex);
DABe(mulhwx);
DABe(mulhwux);
DABe(mulx);
DABe(mullwx);
DABe(divx);
DABe(divsx);
DABe(divwux);
DABe(divwx);
DABe(lscbxx);
#undef DABe
#define ASB(x) \
case Operation::x: \
AssertEqualOperationNameE(operation, @#x, instruction); \
AssertEqualR(columns[3], instruction.rA()); \
AssertEqualR(columns[4], instruction.rS()); \
AssertEqualR(columns[5], instruction.rB()); \
break;
ASB(maskgx);
ASB(maskirx);
ASB(rribx);
ASB(slex);
ASB(sleqx);
ASB(sllqx);
ASB(slqx);
ASB(sraqx);
ASB(srex);
ASB(sreax);
ASB(sreqx);
ASB(srlqx);
ASB(srqx);
ASB(andx);
ASB(andcx);
ASB(norx);
ASB(eqvx);
ASB(xorx);
ASB(orcx);
ASB(orx);
ASB(nandx);
#undef ASB
#define SAB(x) \
case Operation::x: \
AssertEqualOperationName(operation, @#x); \
AssertEqualR(columns[3], instruction.rS()); \
AssertEqualR(columns[4], instruction.rA(), false); \
AssertEqualR(columns[5], instruction.rB()); \
break;
SAB(ecowx);
SAB(stbux);
SAB(stbx);
SAB(sthbrx);
SAB(sthux);
SAB(sthx);
SAB(stswx);
SAB(stwbrx);
SAB(stwcx_);
SAB(stwux);
SAB(stwx);
SAB(stdcx_);
SAB(stdux);
SAB(stdx);
#undef SAB
#define AS(x) \
case Operation::x: \
AssertEqualOperationNameE(operation, @#x, instruction); \
AssertEqualR(columns[3], instruction.rA()); \
AssertEqualR(columns[4], instruction.rS()); \
break;
AS(cntlzwx);
AS(extsbx);
AS(extshx);
AS(extswx);
#undef AS
#define fSAB(x) \
case Operation::x: \
AssertEqualOperationName(operation, @#x, instruction); \
AssertEqualFR(columns[3], instruction.frS()); \
AssertEqualR(columns[4], instruction.rA(), false); \
AssertEqualR(columns[5], instruction.rB()); \
break;
fSAB(stfdx);
fSAB(stfdux);
fSAB(stfsx);
fSAB(stfsux);
fSAB(stfiwx);
#undef fSAB
#define fDAB(x) \
case Operation::x: \
AssertEqualOperationName(operation, @#x, instruction); \
AssertEqualFR(columns[3], instruction.frD()); \
AssertEqualR(columns[4], instruction.rA(), false); \
AssertEqualR(columns[5], instruction.rB()); \
break;
fDAB(lfdux);
fDAB(lfdx);
fDAB(lfsux);
fDAB(lfsx);
#undef fDAB
#define fDfAfB(x) \
case Operation::x: \
AssertEqualOperationNameE(operation, @#x, instruction); \
AssertEqualFR(columns[3], instruction.frD()); \
AssertEqualFR(columns[4], instruction.frA(), false); \
AssertEqualFR(columns[5], instruction.frB()); \
break;
fDfAfB(faddx);
fDfAfB(faddsx);
fDfAfB(fsubx);
fDfAfB(fsubsx);
fDfAfB(fdivx);
fDfAfB(fdivsx);
#undef fDfAfB
#define fDfB(x) \
case Operation::x: \
AssertEqualOperationNameE(operation, @#x, instruction); \
AssertEqualFR(columns[3], instruction.frD()); \
AssertEqualFR(columns[4], instruction.frB()); \
break;
fDfB(fabsx);
fDfB(fnabsx);
fDfB(fnegx);
fDfB(frsqrtex);
fDfB(frspx);
fDfB(fctiwx);
fDfB(fctiwzx);
fDfB(fctidx);
fDfB(fctidzx);
fDfB(fcfidx);
fDfB(fresx);
fDfB(fmrx);
#undef fDfB
#define fDfAfC(x) \
case Operation::x: \
AssertEqualOperationNameE(operation, @#x, instruction); \
AssertEqualFR(columns[3], instruction.frD()); \
AssertEqualFR(columns[4], instruction.frA(), false); \
AssertEqualFR(columns[5], instruction.frC()); \
break;
fDfAfC(fmulx);
fDfAfC(fmulsx);
#undef fDfAfC
#define fDfAfCfB(x) \
case Operation::x: \
AssertEqualOperationNameE(operation, @#x, instruction); \
AssertEqualFR(columns[3], instruction.frD()); \
AssertEqualFR(columns[4], instruction.frA()); \
AssertEqualFR(columns[5], instruction.frC()); \
AssertEqualFR(columns[6], instruction.frB()); \
break;
fDfAfCfB(fnmaddx);
fDfAfCfB(fnmaddsx);
fDfAfCfB(fnmsubx);
fDfAfCfB(fnmsubsx);
fDfAfCfB(fmaddx);
fDfAfCfB(fmaddsx);
fDfAfCfB(fmsubx);
fDfAfCfB(fmsubsx);
fDfAfCfB(fselx);
#undef fDfAfBfC
#define DDA(x) \
case Operation::x: { \
AssertEqualOperationName(operation, @#x, instruction); \
AssertEqualR(columns[3], instruction.rD()); \
XCTAssertEqualObjects(columns[4], offset(instruction)); \
} break;
DDA(lbz);
DDA(lbzu);
DDA(lmw);
DDA(lwz);
DDA(lwzu);
DDA(lhz);
DDA(lhzu);
DDA(lha);
DDA(lhau);
#undef DDA
#define fDDA(x) \
case Operation::x: { \
AssertEqualOperationName(operation, @#x, instruction); \
AssertEqualFR(columns[3], instruction.rD()); \
XCTAssertEqualObjects(columns[4], offset(instruction)); \
} break;
fDDA(lfd);
fDDA(lfdu);
fDDA(lfs);
fDDA(lfsu);
#undef fDDA
#define SDA(x) \
case Operation::x: { \
AssertEqualOperationName(operation, @#x, instruction); \
AssertEqualR(columns[3], instruction.rS()); \
XCTAssertEqualObjects(columns[4], offset(instruction)); \
} break;
SDA(stb);
SDA(stbu);
SDA(sth);
SDA(sthu);
SDA(stmw);
SDA(stw);
SDA(stwu);
#undef SDA
#define fSDA(x) \
case Operation::x: { \
AssertEqualOperationName(operation, @#x, instruction); \
AssertEqualFR(columns[3], instruction.rS()); \
XCTAssertEqualObjects(columns[4], offset(instruction)); \
} break;
fSDA(stfd);
fSDA(stfdu);
fSDA(stfs);
fSDA(stfsu);
#undef fSDA
#define crfDS(x) \
case Operation::x: \
AssertEqualOperationName(operation, @#x, instruction); \
XCTAssertEqualObjects(columns[3], conditionreg(instruction.crfD())); \
XCTAssertEqualObjects(columns[4], conditionreg(instruction.crfS())); \
break;
crfDS(mcrf);
crfDS(mcrfs);
#undef crfDS
#define crfDfAfB(x) \
case Operation::x: \
AssertEqualOperationName(operation, @#x, instruction); \
XCTAssertEqualObjects(columns[3], conditionreg(instruction.crfD())); \
AssertEqualFR(columns[4], instruction.frA()); \
AssertEqualFR(columns[5], instruction.frB()); \
break;
crfDfAfB(fcmpo);
crfDfAfB(fcmpu);
#undef crfDfAfB
case Operation::bcx:
case Operation::bclrx:
case Operation::bcctrx: {
NSString *baseOperation = nil;
BOOL addConditionToOperand = NO;
switch(instruction.branch_options()) {
case BranchOption::Always: baseOperation = @"b"; break;
case BranchOption::Dec_Zero: baseOperation = @"bdz"; break;
case BranchOption::Dec_NotZero: baseOperation = @"bdnz"; break;
case BranchOption::Clear:
switch(Condition(instruction.bi() & 3)) {
default: break;
case Condition::Negative: baseOperation = @"bge"; break;
case Condition::Positive: baseOperation = @"ble"; break;
case Condition::Zero: baseOperation = @"bne"; break;
case Condition::SummaryOverflow:
baseOperation = @"bns";
break;
}
break;
case BranchOption::Dec_ZeroAndClear:
baseOperation = @"bdzf";
addConditionToOperand = YES;
break;
case BranchOption::Dec_NotZeroAndClear:
baseOperation = @"bdnzf";
addConditionToOperand = YES;
break;
case BranchOption::Set:
switch(Condition(instruction.bi() & 3)) {
default: break;
case Condition::Negative: baseOperation = @"blt"; break;
case Condition::Positive: baseOperation = @"bgt"; break;
case Condition::Zero: baseOperation = @"beq"; break;
case Condition::SummaryOverflow:
baseOperation = @"bso";
break;
}
break;
case BranchOption::Dec_ZeroAndSet:
baseOperation = @"bdzt";
addConditionToOperand = YES;
break;
case BranchOption::Dec_NotZeroAndSet:
baseOperation = @"bdnzt";
addConditionToOperand = YES;
break;
default: break;
}
switch(instruction.operation) {
case Operation::bcctrx:
baseOperation = [baseOperation stringByAppendingString:@"ctr"];
break;
case Operation::bclrx:
baseOperation = [baseOperation stringByAppendingString:@"lr"];
break;
case Operation::bcx: {
uint32_t decoded_destination;
if(instruction.aa()) {
decoded_destination = instruction.bd();
} else {
decoded_destination = instruction.bd() + address;
}
XCTAssertEqual(decoded_destination, [[columns lastObject] hexInt]);
} break;
default: break;
}
if(!baseOperation) {
NSAssert(FALSE, @"Didn't handle bi %d for bo %d, %@", instruction.bi() & 3, instruction.bo(), line);
} else {
if(instruction.lk()) {
baseOperation = [baseOperation stringByAppendingString:@"l"];
}
if(instruction.aa()) {
baseOperation = [baseOperation stringByAppendingString:@"a"];
}
if(instruction.branch_prediction_hint()) {
baseOperation = [baseOperation stringByAppendingString:@"+"];
}
AssertEqualOperationName(operation, baseOperation);
}
if(instruction.bi() & ~3) {
NSString *expectedCR;
if(addConditionToOperand) {
expectedCR = condition(instruction.bi());
} else {
expectedCR = [NSString stringWithFormat:@"cr%d", instruction.bi() >> 2];
}
XCTAssertEqualObjects(columns[3], expectedCR);
}
} break;
case Operation::bx: {
switch((instruction.aa() ? 2 : 0) | (instruction.lk() ? 1 : 0)) {
case 0: AssertEqualOperationName(operation, @"b"); break;
case 1: AssertEqualOperationName(operation, @"bl"); break;
case 2: AssertEqualOperationName(operation, @"ba"); break;
case 3: AssertEqualOperationName(operation, @"bla"); break;
}
const uint32_t decoded_destination =
instruction.li() + (instruction.aa() ? 0 : address);
XCTAssertEqual(decoded_destination, [columns[3] hexInt]);
} break;
}
}
}
@end
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