[Issue 21490] Optimizer can add SSE integer multiply for machines less than SSE4.1 which do not have it

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21490

Walter Bright <bugzilla at digitalmars.com> changed:

           What    |Removed                     |Added
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            Summary|Front end detection logic   |Optimizer can add SSE
                   |for SSE4.1 is failing when  |integer multiply for
                   |using -O                    |machines less than SSE4.1
                   |                            |which do not have it

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