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[Bug target/66112] __builtin_mul_overflow for int16_t emits poor code


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66112

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jakub at gcc dot gnu.org

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 35522
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35522&action=edit
gcc5-pr66112.patch

Supposedly just using SWI248 instead of SWI48 iterator should fix this, though
not sure about all the AMD scheduling stuff.


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