x87StackOptimizationPass: Minor opt to f80 fchs and fabs #4253
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It's faster to load the f80 sign mask from our named vector constants than synthesizing the values. Changes a 4 instruction sequence to synthesize to be 1 load.
alyssarosenzweig
approved these changes
Jan 3, 2025
|
lgtm here as well. nice little opt! :) |
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It's faster to load the f80 sign mask from our named vector constants
than synthesizing the values. Changes a 4 instruction sequence to
synthesize to be 1 load.