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ARMeilleure: Thumb support (All T16 instructions) (#3105)

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* Decoders: Add InITBlock argument

* OpCodeTable: Minor cleanup

* OpCodeTable: Remove existing thumb instruction implementations

* OpCodeTable: Prepare for thumb instructions

* OpCodeTables: Improve thumb fast lookup

* Tests: Prepare for thumb tests

* T16: Implement BX

* T16: Implement LSL/LSR/ASR (imm)

* T16: Implement ADDS, SUBS (reg)

* T16: Implement ADDS, SUBS (3-bit immediate)

* T16: Implement MOVS, CMP, ADDS, SUBS (8-bit immediate)

* T16: Implement ANDS, EORS, LSLS, LSRS, ASRS, ADCS, SBCS, RORS, TST, NEGS, CMP, CMN, ORRS, MULS, BICS, MVNS (low registers)

* T16: Implement ADD, CMP, MOV (high reg)

* T16: Implement BLX (reg)

* T16: Implement LDR (literal)

* T16: Implement {LDR,STR}{,H,B,SB,SH} (register)

* T16: Implement {LDR,STR}{,B,H} (immediate)

* T16: Implement LDR/STR (SP)

* T16: Implement ADR

* T16: Implement Add to SP (immediate)

* T16: Implement ADD/SUB (SP)

* T16: Implement SXTH, SXTB, UXTH, UTXB

* T16: Implement CBZ, CBNZ

* T16: Implement PUSH, POP

* T16: Implement REV, REV16, REVSH

* T16: Implement NOP

* T16: Implement LDM, STM

* T16: Implement SVC

* T16: Implement B (conditional)

* T16: Implement B (unconditional)

* T16: Implement IT

* fixup! T16: Implement ADD/SUB (SP)

* fixup! T16: Implement Add to SP (immediate)

* fixup! T16: Implement IT

* CpuTestThumb: Add randomized tests

* Remove inITBlock argument

* Address nits

* Use index to handle IfThenBlockState

* Reduce line noise

* fixup

* nit
This commit is contained in:
merry 2022-02-17 22:39:45 +00:00 • committed by GitHub
parent 868919e101
commit 98e05ee4b7
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57 changed files with 1852 additions and 102 deletions
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20
ARMeilleure/Instructions/InstEmitMul32.cs
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@ -33,7 +33,7 @@ namespace ARMeilleure.Instructions
Operand res = context.Add(a, context.Multiply(n, m));
if (op.SetFlags)
if (ShouldSetFlags(context))
{
EmitNZFlagsCheck(context, res);
}
@ -250,13 +250,13 @@ namespace ARMeilleure.Instructions
Operand hi = context.ConvertI64ToI32(context.ShiftRightUI(res, Const(32)));
Operand lo = context.ConvertI64ToI32(res);
if (op.SetFlags)
if (ShouldSetFlags(context))
{
EmitNZFlagsCheck(context, res);
}
EmitGenericAluStoreA32(context, op.RdHi, op.SetFlags, hi);
EmitGenericAluStoreA32(context, op.RdLo, op.SetFlags, lo);
EmitGenericAluStoreA32(context, op.RdHi, ShouldSetFlags(context), hi);
EmitGenericAluStoreA32(context, op.RdLo, ShouldSetFlags(context), lo);
}
public static void Smulw_(ArmEmitterContext context)
@ -320,13 +320,13 @@ namespace ARMeilleure.Instructions
Operand hi = context.ConvertI64ToI32(context.ShiftRightUI(res, Const(32)));
Operand lo = context.ConvertI64ToI32(res);
if (op.SetFlags)
if (ShouldSetFlags(context))
{
EmitNZFlagsCheck(context, res);
}
EmitGenericAluStoreA32(context, op.RdHi, op.SetFlags, hi);
EmitGenericAluStoreA32(context, op.RdLo, op.SetFlags, lo);
EmitGenericAluStoreA32(context, op.RdHi, ShouldSetFlags(context), hi);
EmitGenericAluStoreA32(context, op.RdLo, ShouldSetFlags(context), lo);
}
private static void EmitMlal(ArmEmitterContext context, bool signed)
@ -356,13 +356,13 @@ namespace ARMeilleure.Instructions
Operand hi = context.ConvertI64ToI32(context.ShiftRightUI(res, Const(32)));
Operand lo = context.ConvertI64ToI32(res);
if (op.SetFlags)
if (ShouldSetFlags(context))
{
EmitNZFlagsCheck(context, res);
}
EmitGenericAluStoreA32(context, op.RdHi, op.SetFlags, hi);
EmitGenericAluStoreA32(context, op.RdLo, op.SetFlags, lo);
EmitGenericAluStoreA32(context, op.RdHi, ShouldSetFlags(context), hi);
EmitGenericAluStoreA32(context, op.RdLo, ShouldSetFlags(context), lo);
}
private static void UpdateQFlag(ArmEmitterContext context, Operand q)