Add missing runtime test for _mm_comige_ss and fix _mm_comigt_ss test

[ArunTamil21]

Add missing test for "_mm_comige_ss" and fix "_mm_comigt_ss"

While looking at issue #798, I noticed two things in the SSE test suite:

1. "test_mm_comigt_ss" was calling "_mm_comige_ss" instead of "_mm_comigt_ss",
   and had an incorrect expected value — "3.0 > 3.0" was expected to return 1,
   but strictly-greater-than should return 0 for equal values.

2. "test_mm_comige_ss" was missing entirely.

This PR fixes the bug in the existing test and adds the missing one.

Part of #798.

[rustbot]

r? @sayantn

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• Owners of files modified in this PR: @Amanieu, @folkertdev, @sayantn
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[sayantn]

Could you also remove this line from stdarch-verify pls, it bypasses the normal checks for existence of tests.

stdarch/crates/stdarch-verify/tests/x86-intel.rs

Line 249 in 0e22a37

"_mm_comige_ss",

View changes since this review

[ArunTamil21]

Done, removed "_mm_comige_ss" from the skip list in x86-intel.rs.

[sayantn]

thanks