[X64] [MichalPetryka] Optimize casts from constant byrefs

[MihuBot]

Build completed in 1 hour 59 minutes.
dotnet/runtime#99130

CoreLib diffs

Found 1 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 6831248
Total bytes of diff: 6831248
Total bytes of delta: 0 (0.00 % of base)


0 total files with Code Size differences (0 improved, 0 regressed), 1 unchanged.

0 total methods with Code Size differences (0 improved, 0 regressed), 56493 unchanged.

--------------------------------------------------------------------------------

Frameworks diffs

Diffs

Found 257 files with textual diffs.

Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 38288612
Total bytes of diff: 38288612
Total bytes of delta: 0 (0.00 % of base)


0 total files with Code Size differences (0 improved, 0 regressed), 256 unchanged.

0 total methods with Code Size differences (0 improved, 0 regressed), 239376 unchanged.

--------------------------------------------------------------------------------

Artifacts:

• build-artifacts-main.zip (693 MB)
• build-clr-checked-main.zip (76 MB)
• build-artifacts-pr.zip (693 MB)
• build-clr-checked-pr.zip (76 MB)
• jit-diffs-corelib.zip (48 MB)
• diff-corelib.txt (433 B)
• diff-frameworks.txt (440 B)
• jit-diffs-frameworks.zip (251 MB)
• build-logs.txt (1 MB)

[MihuBot]

@MichalPetryka