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Remove need for simd.splat

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gingerBill
2022-05-26 14:51:50 +01:00
parent c2610cb75e
commit f308f37ba1
4 changed files with 76 additions and 39 deletions
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72
src/llvm_backend_expr.cpp
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@@ -1820,41 +1820,59 @@ lbValue lb_emit_conv(lbProcedure *p, lbValue value, Type *t) {
return res;
}
if (is_type_simd_vector(src) && is_type_simd_vector(dst)) {
Type *src_elem = core_array_type(src);
Type *dst_elem = core_array_type(dst);
if (is_type_simd_vector(dst)) {
Type *et = base_array_type(dst);
if (is_type_simd_vector(src)) {
Type *src_elem = core_array_type(src);
Type *dst_elem = core_array_type(dst);
GB_ASSERT(src->SimdVector.count == dst->SimdVector.count);
GB_ASSERT(src->SimdVector.count == dst->SimdVector.count);
lbValue res = {};
res.type = t;
if (are_types_identical(src_elem, dst_elem)) {
res.value = value.value;
} else if (is_type_float(src_elem) && is_type_integer(dst_elem)) {
if (is_type_unsigned(dst_elem)) {
res.value = LLVMBuildFPToUI(p->builder, value.value, lb_type(m, t), "");
lbValue res = {};
res.type = t;
if (are_types_identical(src_elem, dst_elem)) {
res.value = value.value;
} else if (is_type_float(src_elem) && is_type_integer(dst_elem)) {
if (is_type_unsigned(dst_elem)) {
res.value = LLVMBuildFPToUI(p->builder, value.value, lb_type(m, t), "");
} else {
res.value = LLVMBuildFPToSI(p->builder, value.value, lb_type(m, t), "");
}
} else if (is_type_integer(src_elem) && is_type_float(dst_elem)) {
if (is_type_unsigned(src_elem)) {
res.value = LLVMBuildUIToFP(p->builder, value.value, lb_type(m, t), "");
} else {
res.value = LLVMBuildSIToFP(p->builder, value.value, lb_type(m, t), "");
}
} else if ((is_type_integer(src_elem) || is_type_boolean(src_elem)) && is_type_integer(dst_elem)) {
res.value = LLVMBuildIntCast2(p->builder, value.value, lb_type(m, t), !is_type_unsigned(src_elem), "");
} else if (is_type_float(src_elem) && is_type_float(dst_elem)) {
res.value = LLVMBuildFPCast(p->builder, value.value, lb_type(m, t), "");
} else if (is_type_integer(src_elem) && is_type_boolean(dst_elem)) {
LLVMValueRef i1vector = LLVMBuildICmp(p->builder, LLVMIntNE, value.value, LLVMConstNull(LLVMTypeOf(value.value)), "");
res.value = LLVMBuildIntCast2(p->builder, i1vector, lb_type(m, t), !is_type_unsigned(src_elem), "");
} else {
res.value = LLVMBuildFPToSI(p->builder, value.value, lb_type(m, t), "");
GB_PANIC("Unhandled simd vector conversion: %s -> %s", type_to_string(src), type_to_string(dst));
}
} else if (is_type_integer(src_elem) && is_type_float(dst_elem)) {
if (is_type_unsigned(src_elem)) {
res.value = LLVMBuildUIToFP(p->builder, value.value, lb_type(m, t), "");
} else {
res.value = LLVMBuildSIToFP(p->builder, value.value, lb_type(m, t), "");
}
} else if ((is_type_integer(src_elem) || is_type_boolean(src_elem)) && is_type_integer(dst_elem)) {
res.value = LLVMBuildIntCast2(p->builder, value.value, lb_type(m, t), !is_type_unsigned(src_elem), "");
} else if (is_type_float(src_elem) && is_type_float(dst_elem)) {
res.value = LLVMBuildFPCast(p->builder, value.value, lb_type(m, t), "");
} else if (is_type_integer(src_elem) && is_type_boolean(dst_elem)) {
LLVMValueRef i1vector = LLVMBuildICmp(p->builder, LLVMIntNE, value.value, LLVMConstNull(LLVMTypeOf(value.value)), "");
res.value = LLVMBuildIntCast2(p->builder, i1vector, lb_type(m, t), !is_type_unsigned(src_elem), "");
return res;
} else {
GB_PANIC("Unhandled simd vector conversion: %s -> %s", type_to_string(src), type_to_string(dst));
i64 count = get_array_type_count(dst);
LLVMTypeRef vt = lb_type(m, t);
LLVMTypeRef llvm_u32 = lb_type(m, t_u32);
LLVMValueRef elem = lb_emit_conv(p, value, et).value;
LLVMValueRef vector = LLVMConstNull(vt);
for (i64 i = 0; i < count; i++) {
LLVMValueRef idx = LLVMConstInt(llvm_u32, i, false);
vector = LLVMBuildInsertElement(p->builder, vector, elem, idx, "");
}
lbValue res = {};
res.type = t;
res.value = vector;
return res;
}
return res;
}
// Pointer <-> uintptr
if (is_type_pointer(src) && is_type_uintptr(dst)) {
lbValue res = {};