dawn-cmake/test/tint/statements/compound_assign/vector/modulo-scalar.wgsl.expected.msl
Antonio Maiorano ec20758675 tint: polyfill remainder to handle negative operands
Bug: tint:1802
Change-Id: Ie9baa045feda08523e5ca4f5ce94b6db7d4477e5
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/119100
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
2023-02-10 15:01:02 +00:00

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#include <metal_stdlib>
using namespace metal;
struct S {
/* 0x0000 */ int4 a;
};
int4 tint_mod(int4 lhs, int rhs) {
int4 const r = int4(rhs);
int4 const rhs_or_one = select(r, int4(1), ((r == int4(0)) | ((lhs == int4((-2147483647 - 1))) & (r == int4(-1)))));
if (any(((uint4((lhs | rhs_or_one)) & uint4(2147483648u)) != uint4(0u)))) {
return as_type<int4>((as_type<uint4>(lhs) - as_type<uint4>(as_type<int4>((as_type<uint4>((lhs / rhs_or_one)) * as_type<uint4>(rhs_or_one))))));
} else {
return (lhs % rhs_or_one);
}
}
void foo(device S* const tint_symbol_1) {
int4 const tint_symbol = tint_mod((*(tint_symbol_1)).a, 2);
(*(tint_symbol_1)).a = tint_symbol;
}