c7d493baf1
When we call loongarch_reassoc_shift_bitwise for <optab>_alsl_reversesi_extend, the mask is in DImode but we are trying to operate it in SImode, causing an ICE. To fix the issue sign-extend the mask into the mode we want. And also specially handle the case the mask is extended into -1 to avoid a miss-optimization. gcc/ChangeLog: PR target/119127 * config/loongarch/loongarch.cc (loongarch_reassoc_shift_bitwise): Sign extend mask to mode, specially handle the case it's extended to -1. * config/loongarch/loongarch.md (loongarch_reassoc_shift_bitwise): Update the comment for the special case. |
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