simd/archsimd/internal/simd_test: unrecognized failures

[gopherbot]

#!watchflakes
default <- pkg == "simd/archsimd/internal/simd_test" && test == ""

Issue created automatically to collect these failures.

Example (log):

FAIL	simd/archsimd/internal/simd_test [build failed]
# simd/archsimd/internal/simd_test_test [simd/archsimd/internal/simd_test.test]
<autogenerated>:1: simd/archsimd/internal/simd_test_test.TestSelectFromPairConstGroupedUint32x16: invalid instruction: 00840 (/home/swarming/.swarming/w/ir/x/w/goroot/src/simd/archsimd/internal/simd_test/simd_test.go:755)	VSHUFPS	$-6, simd/archsimd/internal/simd_test_test.y+152(SP), Z0, Z1
<autogenerated>:1: simd/archsimd/internal/simd_test_test.TestSelectFromPairConstGroupedUint32x16: invalid instruction: 00916 (/home/swarming/.swarming/w/ir/x/w/goroot/src/simd/archsimd/internal/simd_test/simd_test.go:757)	VSHUFPS	$-16, simd/archsimd/internal/simd_test_test.y+152(SP), Z0, Z1
<autogenerated>:1: simd/archsimd/internal/simd_test_test.TestSelect2FromPairConstGroupedInt512: invalid instruction: 00586 (/home/swarming/.swarming/w/ir/x/w/goroot/src/simd/archsimd/internal/simd_test/simd_test.go:975)	VSHUFPD	$-86, simd/archsimd/internal/simd_test_test.x+152(SP), Z0, Z0

— watchflakes