51d2dfe02a
It is possible to pass unsigned integers to `OpSMulExtended`. In that case, we want to do a signed multiply with sign extension, so make sure the operands are forced to be interpreted as signed. This was an oversight on my part when I added these instructions. Fixes the CTS test `dEQP-VK.spirv_assembly.instruction.compute.signed_op.uint_smulextended`.
26 lines
653 B
Plaintext
26 lines
653 B
Plaintext
#include <metal_stdlib>
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#include <simd/simd.h>
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using namespace metal;
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struct _4
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{
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uint _m0[1];
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};
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struct _20
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{
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uint _m0;
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uint _m1;
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};
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kernel void main0(device _4& _5 [[buffer(0)]], device _4& _6 [[buffer(1)]], device _4& _7 [[buffer(2)]], device _4& _8 [[buffer(3)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
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{
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_20 _28;
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_28._m0 = uint(int(_5._m0[gl_GlobalInvocationID.x]) * int(_6._m0[gl_GlobalInvocationID.x]));
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_28._m1 = uint(mulhi(int(_5._m0[gl_GlobalInvocationID.x]), int(_6._m0[gl_GlobalInvocationID.x])));
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_7._m0[gl_GlobalInvocationID.x] = _28._m0;
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_8._m0[gl_GlobalInvocationID.x] = _28._m1;
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}
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