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emit_x64_vector: Get rid of some magic numbers in loop bounds

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Lioncash 2018-04-20 12:38:42 -04:00 committed by MerryMage
parent 7b80ac25eb
commit 75fd4eaaaa
1 changed files with 9 additions and 12 deletions
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21
src/backend_x64/emit_x64_vector.cpp
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@ -5,6 +5,7 @@
*/
#include <algorithm>
#include <functional>
#include "backend_x64/abi.h"
#include "backend_x64/block_of_code.h"
@ -604,7 +605,7 @@ void EmitX64::EmitVectorGreaterS64(EmitContext& ctx, IR::Inst* inst) {
}
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<u64, 2>& result, const std::array<s64, 2>& a, const std::array<s64, 2>& b){
for (size_t i = 0; i < 2; ++i) {
for (size_t i = 0; i < result.size(); ++i) {
result[i] = (a[i] > b[i]) ? ~u64(0) : 0;
}
});
@ -975,9 +976,7 @@ void EmitX64::EmitVectorMultiply32(EmitContext& ctx, IR::Inst* inst) {
}
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<u32, 4>& result, const std::array<u32, 4>& a, const std::array<u32, 4>& b){
for (size_t i = 0; i < 4; ++i) {
result[i] = a[i] * b[i];
}
std::transform(a.begin(), a.end(), b.begin(), result.begin(), std::multiplies<>());
});
}
@ -1002,10 +1001,8 @@ void EmitX64::EmitVectorMultiply64(EmitContext& ctx, IR::Inst* inst) {
return;
}
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<u64, 2>& result, const std::array<u64, 2>& a, const std::array<u64, 2>& b){
for (size_t i = 0; i < 2; ++i) {
result[i] = a[i] * b[i];
}
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<u64, 2>& result, const std::array<u64, 2>& a, const std::array<u64, 2>& b) {
std::transform(a.begin(), a.end(), b.begin(), result.begin(), std::multiplies<>());
});
}
@ -1250,9 +1247,9 @@ void EmitX64::EmitVectorPopulationCount(EmitContext& ctx, IR::Inst* inst) {
}
EmitOneArgumentFallback(code, ctx, inst, [](std::array<u8, 16>& result, const std::array<u8, 16>& a){
for (size_t i = 0; i < 16; ++i) {
result[i] = static_cast<u8>(Common::BitCount(a[i]));
}
std::transform(a.begin(), a.end(), result.begin(), [](u8 val) {
return static_cast<u8>(Common::BitCount(val));
});
});
}
@ -1377,7 +1374,7 @@ void EmitX64::EmitVectorSignExtend32(EmitContext& ctx, IR::Inst* inst) {
}
EmitOneArgumentFallback(code, ctx, inst, [](std::array<u64, 2>& result, const std::array<u32, 4>& a){
for (size_t i = 0; i < 2; ++i) {
for (size_t i = 0; i < result.size(); ++i) {
result[i] = Common::SignExtend<32, u64>(a[i]);
}
});