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Convert calls to indirect calls for the time being.

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This commit is contained in:
Skyth
2024-09-13 17:32:54 +03:00
parent 27f6604072
commit 9db7909bbd
2 changed files with 6 additions and 14 deletions
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16
PowerRecomp/main.cpp
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@@ -174,21 +174,9 @@ int main()
break;
case PPC_INST_BL:
{
std::string targetName = "";
auto targetSymbol = image.symbols.find(insn.operands[0]);
if (targetSymbol != image.symbols.end() && targetSymbol->type == Symbol_Function)
{
targetName = targetSymbol->name;
}
else
{
targetName = std::format("sub_{:X}", insn.operands[0]);
}
std::println(f, "\tctx.lr = 0x{:X};", base);
std::println(f, "\t{}(ctx, base);", targetName);
std::println(f, "\tctx.fn[0x{:X}](ctx, base);", base / 4);
break;
}
case PPC_INST_BLE:
std::println(f, "\tif (!ctx.cr{}.gt) goto loc_{:X};", insn.operands[0], insn.operands[1]);
@@ -279,7 +267,7 @@ int main()
break;
case PPC_INST_CNTLZW:
std::println(f, "\tctx.r{}.u64 = __lzcnt32(ctx.r{}.u32);", insn.operands[0], insn.operands[1]);
std::println(f, "\tctx.r{}.u64 = __lzcnt(ctx.r{}.u32);", insn.operands[0], insn.operands[1]);
break;
case PPC_INST_DB16CYC:

4
PowerUtils/ppc_context.h
View File

@@ -9,6 +9,7 @@
#define _byteswap_ushort __builtin_bswap16
#define _byteswap_ulong __builtin_bswap32
#define _byteswap_uint64 __builtin_bswap64
#define isnan __builtin_isnan
#define PPC_FUNC __attribute__((weak,noinline))
#else
#include <intrin.h>
@@ -25,6 +26,8 @@
#define PPC_STORE_U32(x, y) *(uint32_t*)(base + (x)) = _byteswap_ulong(y)
#define PPC_STORE_U64(x, y) *(uint64_t*)(base + (x)) = _byteswap_uint64(y)
typedef void PPCFunc(struct PPCContext& __restrict ctx, uint8_t* base);
struct PPCRegister
{
union
@@ -82,6 +85,7 @@ typedef float float128[4];
struct PPCContext
{
PPCFunc** fn;
uint64_t lr;
uint64_t ctr;
PPCXERRegister xer;