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Merged
ubaidsk merged 9 commits into from
Nov 17, 2023
Merged

SIMD: Changes from LFortran #2424

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385a10c
C: Support stride and offset for arrays
ubaidsk Nov 14, 2023
349ce9d
C: Support stride and offset in generate_array_decl()
ubaidsk Nov 14, 2023
3f9944e
C: Support stride, offset in visit_CPtrToPointer()
ubaidsk Nov 14, 2023
873b056
C: Support array indexing using stride and offset
ubaidsk Nov 14, 2023
c308ec4
C: Support visit_Associate()
ubaidsk Nov 14, 2023
179d0f7
C_CPP: Support stride, offset for lpython decorator
ubaidsk Nov 14, 2023
029f395
C: Fix passing pointer to array
ubaidsk Nov 14, 2023
8c43eae
C_CPP: Support stride in Allocate
ubaidsk Nov 16, 2023
a0dc512
TEST: Update reference tests
ubaidsk Nov 16, 2023
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C: Support stride, offset in visit_CPtrToPointer()
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@ubaidsk
ubaidsk committed Nov 16, 2023
commit 3f9944e69d78e7d1bb3c8a2907bf9558920e52a7
24 changes: 14 additions & 10 deletions src/libasr/codegen/asr_to_c.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1118,21 +1118,25 @@ R"( // Initialise Numpy
ASR::dimension_t* m_dims = nullptr;
int n_dims = ASRUtils::extract_dimensions_from_ttype(ASRUtils::expr_type(x.m_ptr), m_dims);
dim_set_code = indent + dest_src + "->n_dims = " + std::to_string(n_dims) + ";\n";
for( int i = 0; i < n_dims; i++ ) {
dim_set_code = indent + dest_src + "->offset = 0;\n";
std::string stride = "1";
for (int i = n_dims - 1; i >= 0; i--) {
std::string start = "0", length = "0";
if( lower_bounds ) {
visit_expr(*lower_bounds->m_args[i]);
} else {
src = "0";
start = src;
}
dim_set_code += indent + dest_src + "->dims[" +
std::to_string(i) + "].lower_bound = " + src + ";\n";
if( m_dims[i].m_length ) {
visit_expr(*m_dims[i].m_length);
} else {
src = "0";
this->visit_expr(*m_dims[i].m_length);
length = src;
}
dim_set_code += indent + dest_src + "->dims[" +
std::to_string(i) + "].length = " + src + ";\n";
dim_set_code += indent + dest_src +
"->dims[" + std::to_string(i) + "].lower_bound = " + start + ";\n";
dim_set_code += indent + dest_src +
"->dims[" + std::to_string(i) + "].length = " + length + ";\n";
dim_set_code += indent + dest_src +
"->dims[" + std::to_string(i) + "].stride = " + stride + ";\n";
stride = "(" + stride + "*" + length + ")";
}
src.clear();
src += dim_set_code;
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