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Minor tweaks.

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This commit is contained in:
Ben Vanik
2013-12-28 19:48:02 -08:00
parent f6f8be9080
commit 6b17ead43b
4 changed files with 32 additions and 8 deletions
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25
src/alloy/frontend/ppc/ppc_emit_memory.cc
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@@ -22,14 +22,20 @@ namespace alloy {
namespace frontend {
namespace ppc {
#define TRUNCATE_ADDRESSES 0
Value* CalculateEA(PPCFunctionBuilder& f, uint32_t ra, uint32_t rb) {
#if TRUNCATE_ADDRESSES
return f.ZeroExtend(f.Add(
f.Truncate(f.LoadGPR(ra), INT32_TYPE),
f.Truncate(f.LoadGPR(rb), INT32_TYPE)), INT64_TYPE);
#else
return f.Add(f.LoadGPR(ra), f.LoadGPR(rb));
#endif // TRUNCATE_ADDRESSES
}
Value* CalculateEA_0(PPCFunctionBuilder& f, uint32_t ra, uint32_t rb) {
#if TRUNCATE_ADDRESSES
if (ra) {
return f.ZeroExtend(f.Add(
f.Truncate(f.LoadGPR(ra), INT32_TYPE),
@@ -37,15 +43,27 @@ Value* CalculateEA_0(PPCFunctionBuilder& f, uint32_t ra, uint32_t rb) {
} else {
return f.ZeroExtend(f.Truncate(f.LoadGPR(rb), INT32_TYPE), INT64_TYPE);
}
#else
if (ra) {
return f.Add(f.LoadGPR(ra), f.LoadGPR(rb));
} else {
return f.LoadGPR(rb);
}
#endif // TRUNCATE_ADDRESSES
}
Value* CalculateEA_i(PPCFunctionBuilder& f, uint32_t ra, uint64_t imm) {
#if TRUNCATE_ADDRESSES
return f.ZeroExtend(f.Add(
f.Truncate(f.LoadGPR(ra), INT32_TYPE),
f.LoadConstant((int32_t)imm)), INT64_TYPE);
#else
return f.Add(f.LoadGPR(ra), f.LoadConstant(imm));
#endif // TRUNCATE_ADDRESSES
}
Value* CalculateEA_0_i(PPCFunctionBuilder& f, uint32_t ra, uint64_t imm) {
#if TRUNCATE_ADDRESSES
if (ra) {
return f.ZeroExtend(f.Add(
f.Truncate(f.LoadGPR(ra), INT32_TYPE),
@@ -53,6 +71,13 @@ Value* CalculateEA_0_i(PPCFunctionBuilder& f, uint32_t ra, uint64_t imm) {
} else {
return f.ZeroExtend(f.LoadConstant((int32_t)imm), INT64_TYPE);
}
#else
if (ra) {
return f.Add(f.LoadGPR(ra), f.LoadConstant(imm));
} else {
return f.LoadConstant(imm);
}
#endif // TRUNCATE_ADDRESSES
}