saulteafarmer/XenonRecomp
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Implement more instructions.

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This commit is contained in:
Skyth 2024-09-12 21:50:36 +03:00
parent f96d2c2879
commit 27dd0aace7
2 changed files with 37 additions and 0 deletions
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35
PowerRecomp/main.cpp
View File

@ -274,7 +274,11 @@ int main()
break;
case PPC_INST_CNTLZD:
std::println(f, "\tctx.r{}.u64 = __lzcnt64(ctx.r{}.u64);", insn.operands[0], insn.operands[1]);
break;
case PPC_INST_CNTLZW:
std::println(f, "\tctx.r{}.u64 = __lzcnt32(ctx.r{}.u32);", insn.operands[0], insn.operands[1]);
break;
case PPC_INST_DB16CYC:
@ -303,8 +307,21 @@ int main()
break;
case PPC_INST_EXTSB:
std::println(f, "\tctx.r{}.s64 = ctx.r{}.s8;", insn.operands[0], insn.operands[1]);
if (insn.opcode->opcode & 0x1)
std::println(f, "\tctx.cr0.compare<int32_t>(ctx.r{}.s32, 0, ctx.xer);", insn.operands[0]);
break;
case PPC_INST_EXTSH:
std::println(f, "\tctx.r{}.s64 = ctx.r{}.s16;", insn.operands[0], insn.operands[1]);
if (insn.opcode->opcode & 0x1)
std::println(f, "\tctx.cr0.compare<int32_t>(ctx.r{}.s32, 0, ctx.xer);", insn.operands[0]);
break;
case PPC_INST_EXTSW:
std::println(f, "\tctx.r{}.s64 = ctx.r{}.s32;", insn.operands[0], insn.operands[1]);
break;
case PPC_INST_FABS:
case PPC_INST_FADD:
case PPC_INST_FADDS:
@ -440,9 +457,18 @@ int main()
case PPC_INST_MTXER:
case PPC_INST_MULCHWU:
case PPC_INST_MULHHW:
break;
case PPC_INST_MULHW:
std::println(f, "\tctx.r{}.s64 = (ctx.r{}.s32 * ctx.r{}.s32) << 32;", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_MULHWU:
std::println(f, "\tctx.r{}.u64 = (ctx.r{}.u32 * ctx.r{}.u32) << 32;", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_MULLD:
std::println(f, "\tctx.r{}.s64 = ctx.r{}.s64 * ctx.r{}.s64;", insn.operands[0], insn.operands[1], insn.operands[2]);
break;
case PPC_INST_MULLI:
@ -544,6 +570,9 @@ int main()
break;
case PPC_INST_STWBRX:
std::println(f, "\tPPC_STORE_U32(ctx.r{}.u32 + ctx.r{}.u32, _byteswap_ulong(ctx.r{}.u32));", insn.operands[1], insn.operands[2], insn.operands[0]);
break;
case PPC_INST_STWCX:
break;
@ -554,7 +583,13 @@ int main()
break;
case PPC_INST_STWUX:
std::println(f, "\tea = ctx.r{}.u32 + ctx.r{}.u32;", insn.operands[1], insn.operands[2]);
std::println(f, "\tPPC_STORE_U32(ea, ctx.r{}.u32);", insn.operands[0]);
std::println(f, "\tctx.r{}.u32 = ea;", insn.operands[0]);
break;
case PPC_INST_STWX:
std::println(f, "\tPPC_STORE_U32(ctx.r{}.u32 + ctx.r{}.u32, ctx.r{}.u32);", insn.operands[1], insn.operands[2], insn.operands[0]);
break;
case PPC_INST_SUBF:

2
PowerUtils/ppc_context.h
View File

@ -3,12 +3,14 @@
#include <cstdlib>
#ifdef __clang__
#include <x86intrin.h>
#define __restrict __restrict__
#define _byteswap_ushort __builtin_bswap16
#define _byteswap_ulong __builtin_bswap32
#define _byteswap_uint64 __builtin_bswap64
#define PPC_FUNC __attribute__((weak,noinline))
#else
#include <intrin.h>
#define PPC_FUNC __declspec(noinline)
#endif