dawn-cmake/test/tint/builtins/extractBits/scalar/i32.spvasm.expected.msl
Ben Clayton d868e860e0 builtins: Add extractBits
CTS tests: https://github.com/gpuweb/cts/pull/1005

Bug: tint:1371
Change-Id: I228c7b2a27c6fbac0653c416fac603a6fb4bff85
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/81640
Reviewed-by: David Neto <dneto@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
2022-02-23 21:18:09 +00:00

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#include <metal_stdlib>
using namespace metal;
int tint_extract_bits(int v, uint offset, uint count) {
uint const s = min(offset, 32u);
uint const e = min(32u, (s + count));
return extract_bits(v, s, (e - s));
}
void f_1() {
int v = 0;
uint offset_1 = 0u;
uint count = 0u;
int const x_16 = v;
uint const x_17 = offset_1;
uint const x_18 = count;
int const x_14 = tint_extract_bits(x_16, x_17, x_18);
return;
}
kernel void f() {
f_1();
return;
}