Make Pulley pass simd_f32x4_arith.wast
#9897
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Adds float SIMD instructions on 4 lanes (f32x4) for subtraction, multiplication, division, and negation. `vtrunc32x4` and `vmuli32x4` were used as basis on how to organize things.
To be exact: `spec_testsuite/simd_f32x4_arith.wast` has been removed from the should fail list for Pulley.
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Helping towards issue #9783.
This PR makes Pulley pass
spec_testsuite/simd_f32x4_arith.wast, by adding f32x4 instructions for subtraction, negation, multiplication, and division.Random notes:
pulley/src/lib.rsare based on what is done withvtrunc32x4.vmuli32x4.ftrunc32,vtrunc32x4, andvtrunc64x2are together, butftrunc64isn't near there.fat the end, e.g.vtrunc32x4vs.vabsf32x4.