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simd_builder: fix constant locations

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This commit is contained in:
Nekotekina 2022-08-29 03:55:59 +03:00 • committed by Ivan
parent e28707055b
commit 80f0741103
2 changed files with 40 additions and 19 deletions
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42
Utilities/JIT.cpp
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@ -8,6 +8,7 @@
#include "util/vm.hpp"
#include "util/asm.hpp"
#include "util/v128.hpp"
#include "util/simd.hpp"
#include <charconv>
#include <zlib.h>
@ -357,6 +358,11 @@ asmjit::simd_builder::simd_builder(CodeHolder* ch) noexcept
: native_asm(ch)
{
_init(true);
consts[~v128()] = this->newLabel();
}
asmjit::simd_builder::~simd_builder()
{
}
void asmjit::simd_builder::_init(bool full)
@ -402,6 +408,16 @@ void asmjit::simd_builder::_init(bool full)
}
}
void asmjit::simd_builder::operator()() noexcept
{
for (auto&& [x, y] : consts)
{
this->align(AlignMode::kData, 16);
this->bind(y);
this->embed(&x, 16);
}
}
void asmjit::simd_builder::vec_cleanup_ret()
{
if (utils::has_avx() && vsize > 16)
@ -437,23 +453,19 @@ void asmjit::simd_builder::vec_set_const(const Operand& v, const v128& val)
return vec_set_all_zeros(v);
if (!~val._u)
return vec_set_all_ones(v);
if (uptr(&val) < 0x8000'0000)
{
// Assume the constant comes from a code or data segment (unsafe)
if (x86::Zmm zr(v.id()); zr == v)
this->vbroadcasti32x4(zr, x86::oword_ptr(uptr(&val)));
else if (x86::Ymm yr(v.id()); yr == v)
this->vbroadcasti128(yr, x86::oword_ptr(uptr(&val)));
else if (utils::has_avx())
this->vmovaps(x86::Xmm(v.id()), x86::oword_ptr(uptr(&val)));
else
this->movaps(x86::Xmm(v.id()), x86::oword_ptr(uptr(&val)));
}
else
{
// TODO
fmt::throw_exception("Unexpected constant location");
Label co = consts[val];
if (!co.isValid())
co = consts[val] = this->newLabel();
if (x86::Zmm zr(v.id()); zr == v)
this->vbroadcasti32x4(zr, x86::oword_ptr(co));
else if (x86::Ymm yr(v.id()); yr == v)
this->vbroadcasti128(yr, x86::oword_ptr(co));
else if (utils::has_avx())
this->vmovaps(x86::Xmm(v.id()), x86::oword_ptr(co));
else
this->movaps(x86::Xmm(v.id()), x86::oword_ptr(co));
}
}